Engine Management And Fuel System, V6

• Technical data
  • Temperature Versus Resistance - Engine Coolant Temperature Sensor
  • Temperature Versus Resistance - Intake Air Temperature Sensor
  • Altitude Versus Barometric Pressure
  • Ignition System Specifications (LAU)
  • Ignition System Specifications (LF1)
  • Fastener Tightening Specifications
  • Adhesives, Fluids, Lubricants, and Sealers
• Special tools
  • Special tools (scan tool Diesel)
• Technical description
  • Air Intake System Description (LF1, LFW)
  • Camshaft Actuator System Description
    • Camshaft Actuator System Overview
    • Feature
      • Notes
      • CMP Actuator System Operation
  • Electronic Ignition System Description
    • Notes
    • Crankshaft Position Sensor
    • Camshaft Position Sensor
    • Knock Sensor
    • Ignition Coils
    • Engine Control Module (ECM)
    • Noteworthy Ignition Information
  • Engine Control Module Description
    • Notes
    • ECM Function
    • EEPROM
    • Data Link Connector (DLC)
    • Malfunction Indicator Lamp (MIL)
    • ECM Service Precautions
    • Emissions Diagnosis For State I/M Programs
    • Aftermarket (Add-On) Electrical And Vacuum Equipment
    • Electrostatic Discharge (ESD) Damage
    • Emissions Control Information Label
  • Evaporative Emission Control System Description
    • Typical Evaporative Emission (EVAP) System Hose Routing Diagram
    • EVAP System Operation
    • Purge Solenoid Valve Leak Test
    • Large Leak Test
    • Canister Vent Restriction Test
    • Small Leak Test
    • EVAP System Components
      • Notes
      • EVAP Canister Purge Solenoid Valve
      • Purge Tube Check Valve
      • EVAP Canister
      • Vapor Recirculation Tube
      • Fuel Tank Pressure Sensor
      • Fuel Fill Pipe Check Valve
      • EVAP Canister Vent Solenoid Valve
      • Fuel Fill Cap
  • Fuel System Description (LF1)
    • Fuel System Overview
    • Electronic Returnless Fuel System
    • Fuel Pump Flow Control Module
    • Fuel Pressure Sensor
    • Fuel Tank
    • Fuel Fill Pipe
    • Fuel Filler Cap
    • Fuel Pump Module
    • Primary Fuel Pump Module
    • Secondary Fuel Pump Module
    • Fuel Level Sensor
    • Fuel Pump
    • Fuel Filter
    • Pressure Regulator Valve
    • Fuel Strainer
    • Primary and Secondary Jet Pumps
    • Fuel Feed Pipes
    • Nylon Fuel Pipes
    • Quick-Connect Fittings
    • High Pressure Fuel Pump
    • Fuel Rail Assembly
    • Fuel Injectors
    • Fuel Injection Fuel Rail Fuel Pressure Sensor
    • Fuel Pulse Dampener
    • Engine Fueling
    • Sequential Fuel Injection
    • Starting Mode
    • Clear Flood Mode
    • Run Mode
    • Acceleration Mode
    • Deceleration Mode
    • Battery Voltage Correction Mode
    • Fuel Shut-Off Mode
  • Fuel System Description (LAU or LY7)
    • Fuel Tank
    • On-Board Refueling Vapor Recovery (ORVR) System
    • Fuel Tank Filler Pipe
    • Fuel Filler Cap
    • Modular Fuel Sender
      • Fuel System Diagram
    • Fuel Pump
    • Fuel Sender Strainers
    • In-Line Fuel Filter
    • EVAP Lines and Hoses
    • Fuel Pressure Regulator
    • Fuel Rail
    • Fuel Injectors
    • Fuel Pump Relay
    • Engine Fueling
    • Sequential Fuel Injection (SFI)
    • Starting Mode
    • Clear Flood Mode
    • Run Mode
    • Acceleration Mode
    • Deceleration Mode
    • Battery Voltage Correction Mode
    • Fuel Shut-Off Mode
  • Knock Sensor System Description
  • Secondary Air Injection System Description
    • Notes
    • AIR System Components
      • Air Pump
      • AIR Pump Relay
      • AIR Pressure Sensor
      • AIR Check Valve
      • AIR Pipes and Hoses
    • Results of Incorrect Operation
  • Throttle Actuator Control (TAC) System Description
    • Notes
    • Modes Of Operation
      • Normal Mode
      • Reduced Engine Power Mode
  • Turbocharger System Description
    • Notes
    • Turbo Control at Low and High Loads
    • Wastegate Solenoid Valve
    • Turbocharger Bypass Solenoid Valve
      • Notes
      • Accelerator Pedal Depressed
      • Accelerator Pedal Released
    • Diaphragm Unit
    • Exhaust Manifold
    • Lube
    • Cooling
• Fault diagnosis, fault codes
  • Engine Management And Fuel System, V6 DTC Index
  • DTC P0008: Engine Position System Performance Bank 1; DTC P0009: Engine Position System Performance Bank 2
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P000A: Intake Camshaft Position System Slow Response Bank 1; DTC P000B: Exhaust Camshaft Position System Slow Response Bank 1; DTC P000C: Intake Camshaft Position System Slow Response Bank 2; DTC P000D: Exhaust Camshaft Position System Slow Response Bank 2; DTC P0011: Intake Camshaft Position System Performance Bank 1; DTC P0014: Exhaust Camshaft Position System Performance Bank 1; DTC P0021: Intake Camshaft Position System Performance Bank 2; DTC P0024: Exhaust Camshaft Position System Performance Bank 2 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Diagnostic Aids
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0010: Intake Camshaft Position Actuator Solenoid Valve Control Circuit Bank 1; DTC P0013: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 1; DTC P0020: Intake Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2; DTC P0023: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2 (LF1, LFW or LFX)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0010: Intake Camshaft Position Actuator Solenoid Valve Control Circuit Bank 1; DTC P0013: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank ; DTC P0020: Intake Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2; DTC P0023: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2; DTC P2088: Intake Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Bank 1; DTC P2089: Intake Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Bank 1; DTC P2090: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Bank 1; DTC P2091: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Bank 1; DTC P2092: Intake Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Bank 2; DTC P2093: Intake Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Bank 2; DTC P2094: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Bank 2; DTC P2095: Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Bank 2 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0011: Intake Camshaft Position System Performance Bank 1; DTC P0014: Exhaust Camshaft Position System Performance Bank 1; DTC P0021: Intake Camshaft Position System Performance Bank 2; DTC P0024: Exhaust Camshaft Position System Performance Bank 2 (LF1, LFW, LFX)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0016: Crankshaft Position - Intake Camshaft Position Not Plausible Bank 1; DTC P0017: Crankshaft Position - Exhaust Camshaft Position Not Plausible Bank 1; DTC P0018: Crankshaft Position - Intake Camshaft Position Not Plausible Bank 2; DTC P0019: Crankshaft Position - Exhaust Camshaft Position Not Plausible Bank 2 (LF1, LFW or LFX)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0016: Crankshaft Position - Intake Camshaft Position Not Plausible Bank 1; DTC P0017: Crankshaft Position - Exhaust Camshaft Position Not Plausible Bank 1; DTC P0018: Crankshaft Position - Intake Camshaft Position Not Plausible Bank 2; DTC P0019: Crankshaft Position - Exhaust Camshaft Position Not Plausible Bank 2 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0030: HO2S Heater Control Circuit Sensor 1; DTC P0031: HO2S Heater Control Circuit Low Voltage Sensor 1; DTC P0032: HO2S Heater Control Circuit High Voltage Sensor 1; DTC P0036: Heater Control Circuit Sensor 2; DTC P0037: HO2S Heater Control Circuit Low Voltage Sensor 2; DTC P0038: HO2S Heater Control Circuit High Voltage Sensor 2 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0030: HO2S Heater Control Circuit Bank 1 Sensor 1; DTC P0036: HO2S Heater Control Circuit Bank 1 Sensor 2; DTC P0050: HO2S Heater Control Circuit Bank 2 Sensor 1; DTC P0053: HO2S Heater Resistance Bank 1 Sensor 1; DTC P0054: HO2S Heater Resistance Bank 1 Sensor 2; DTC P0056: HO2S Heater Control Circuit Bank 2 Sensor 2; DTC P0059: HO2S Heater Resistance Bank 2 Sensor 1; DTC P0060: HO2S Heater Resistance Bank 2 Sensor 2; DTC P0135: HO2S Heater Performance Bank 1 Sensor 1; DTC P0141: HO2S Heater Performance Bank 1 Sensor 2; DTC P0155: HO2S Heater Performance Bank 2 Sensor 1; DTC P0161: HO2S Heater Performance Bank 2 Sensor 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • HO2S Heater Control
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0033: Turbocharger Bypass Solenoid Valve Control Circuit; DTC P0034: Turbocharger Bypass Solenoid Valve Control Circuit Low Voltage; DTC P0035: Turbocharger Bypass Solenoid Valve Control Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0068: Throttle Body Airflow Performance; DTC P1101: Intake Air Flow System Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0089: Fuel Pressure Regulator Performance; DTC P00C6: Fuel Rail Pressure Low During Engine Cranking; DTC P228C: Fuel Pressure Regulator 1 Control Performance - Low Pressure; DTC P228D: Fuel Pressure Regulator 1 Control Performance - High Pressure (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic support
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Static Test
    • Repair Instructions
  • DTC P0090: Fuel Pressure Regulator Control Circuit; DTC P0091: Fuel Pressure Regulator Control Circuit Low Voltage; DTC P0092: Fuel Pressure Regulator Control Circuit High Voltage; DTC P00C8: Fuel Pressure Regulator High Control Circuit; DTC P00C9: Fuel Pressure Regulator High Control Circuit Low Voltage; DTC P00CA: Fuel Pressure Regulator High Control Circuit High Voltage (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Static Test
    • Repair Instructions
  • DTC P0100: Mass Air Flow (MAF) Sensor Circuit; DTC P0102: Mass Air Flow (MAF) Sensor Circuit Low Frequency; DTC P0103: Mass Air Flow (MAF) Sensor Circuit High Frequency (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0101: Mass Air Flow (MAF) Sensor Performance (LAU)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • MAF Sensor
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0101: Mass Air Flow (MAF) Sensor Performance (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • MAF Sensor
    • Circuit Description
      • Notes
      • Scan Tool Diagnostic Test Results
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0102: Mass Air Flow (MAF) Sensor Circuit Low Frequency; DTC P0103: Mass Air Flow (MAF) Sensor Circuit High Frequency
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • MAF Sensor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0106: Manifold Absolute Pressure (MAP) Sensor Performance (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • MAP Sensor
    • Circuit Description
      • Notes
      • Scan Tool Diagnostic Test Results
    • Conditions for Running the DTC
    • Conditions for Setting the DTCs
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Notes
      • Skewed Signal Test
      • Erratic Signal Test
    • Repair Instructions
  • DTC P0107: Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage; DTC P0108: Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • MAP Sensor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Notes
      • Erratic Signal Test
    • Repair Instructions
  • DTC P0111: Intake Air Temperature (IAT) Sensor Performance (LF1)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
      • IAT Sensor
    • Typical Scan Tool Data
      • IAT Sensor
      • ECT Sensor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0111: Intake Air Temperature (IAT) Sensor Circuit Performance; DTC P0112: Intake Air Temperature (IAT) Sensor Circuit Low Voltage; DTC P0113: Intake Air Temperature (IAT) Sensor Circuit High Voltage; DTC P0114: Intake Air Temperature (IAT) Sensor Intermittent (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • IAT Sensor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0112: Intake Air Temperature (IAT) Sensor Circuit Low Voltage; DTC P0113: Intake Air Temperature (IAT) Sensor Circuit High Voltage; DTC P0114: Intake Air Temperature (IAT) Sensor Circuit Intermittent
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • IAT Sensor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0116: Engine Coolant Temperature (ECT) Sensor Performance (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • ECT Sensor
    • Circuit Description
    • Conditions for Running the DTC
      • Condition 1
      • Condition 2
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0116: Engine Coolant Temperature (ECT) Sensor Performance; DTC P050C: Cold Start Engine Coolant Temperature (ECT) Performance (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • ECT Sensor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage; DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • ECT Sensor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage; DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Voltage (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • ECT Sensor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0119: Engine Coolant Temperature (ECT) Sensor Circuit Intermittent (LAU)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • ECT Sensor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0121: Throttle Position Sensor Performance; DTC P0122: Throttle Position Sensor 1 Circuit Low Voltage; DTC P0123: Throttle Position Sensor 1 Circuit High Voltage; DTC P0222: Throttle Position Sensor 2 Circuit Low Voltage; DTC P0223: Throttle Position Sensor 2 Circuit High Voltage; DTC P2135: Throttle Position Sensors 1-2 Not Plausible (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • TP Sensor 1
      • TP Sensor 2
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0121: Throttle Position Sensor 1 Performance; DTC P0122: Throttle Position Sensor 1 Circuit Low Voltage; DTC P0123: Throttle Position Sensor 1 Circuit High Voltage; DTC P0221: Throttle Position Sensor 2 Performance; DTC P0222: Throttle Position Sensor 2 Circuit Low Voltage; DTC P0223: Throttle Position Sensor 2 Circuit High Voltage (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • Throttle Position Sensor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature (LAU)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0130: HO2S Circuit Closed Loop Performance Sensor 1
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit Description
    • Conditions for Running the DTC
      • Condition 1 and 2
      • Condition 3
    • Conditions for Setting the DTC
      • Condition 1
      • Condition 2
      • Condition 3
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0131: HO2S Circuit Low Voltage Sensor 1; DTC P0132: HO2S Circuit High Voltage Sensor 1; DTC P0134: HO2S Circuit Insufficient Activity Sensor 1 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • HO2S 1 or 2
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0131: HO2S Circuit Low Voltage Bank 1 Sensor 1; DTC P0132: HO2S Circuit High Voltage Bank 1 Sensor 1; DTC P0137: HO2S Circuit Low Voltage Bank 1 Sensor 2; DTC P0138: HO2S Circuit High Voltage Bank 1 Sensor 2; DTC P0151: HO2S Circuit Low Voltage Bank 2 Sensor 1; DTC P0152: HO2S Circuit High Voltage Bank 2 Sensor 1; DTC P0157: HO2S Circuit Low Voltage Bank 2 Sensor 2; DTC P0158: HO2S Circuit High Voltage Bank 2 Sensor 2; DTC P2A00: HO2S Circuit Closed Loop Performance Bank 1 Sensor 1; DTC P2A01: HO2S Circuit Closed Loop Performance Bank 1 Sensor 2; DTC P2A03: HO2S Circuit Closed Loop Performance Bank 2 Sensor 1; DTC P2A04: HO2S Circuit Closed Loop Performance Bank 2 Sensor 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • HO2S Sensor 1 Voltage, HO2S Sensor 2 Voltage
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0133: HO2S Slow Response Sensor 1; DTC P013A: HO2S Slow Response Rich to Lean Sensor 2; DTC P013E: HO2S Delayed Response Rich to Lean Sensor 2 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTCs
    • Action Taken when the DTCs Set
    • Conditions for Clearing the MIL/DTCs
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0133: HO2S Slow Response Bank 1 Sensor 1; DTC P013A: HO2S Slow Response Rich to Lean Bank 1 Sensor 2; DTC P013B: HO2S Slow Response Lean to Rich Bank 1 Sensor 2; DTC P013C: HO2S Slow Response Rich to Lean Bank 2 Sensor 2; DTC P013D: HO2S Slow Response Lean to Rich Bank 2 Sensor 2; DTC P013E: HO2S Delayed Response Rich to Lean Bank 1 Sensor 2; DTC P013F: HO2S Delayed Response Lean to Rich Bank 1 Sensor 2; DTC P014A: HO2S Delayed Response Rich to Lean Bank 2 Sensor 2; DTC P014B: HO2S Delayed Response Lean to Rich Bank 2 Sensor 2; DTC P0153: HO2S Slow Response Bank 2 Sensor 1; DTC P1133: HO2S Insufficient Switching Bank 1 Sensor 1; DTC P1153: HO2S Insufficient Switching Bank 2 Sensor 1 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0134: HO2S Circuit Insufficient Activity Bank 1 Sensor 1; DTC P0140: HO2S Circuit Insufficient Activity Bank 1 Sensor 2; DTC P0154: HO2S Circuit Insufficient Activity Bank 2 Sensor 1; DTC P0160: HO2S Circuit Insufficient Activity Bank 2 Sensor 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • HO2S Sensor 1 Voltage, HO2S Sensor 2 Voltage
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0135: HO2S Heater Performance Sensor 1; DTC P0141: HO2S Heater Performance Sensor 2 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0137: HO2S Circuit Low Voltage Sensor 2; DTC P0138: HO2S Circuit High Voltage Sensor 2; DTC P0140: HO2S Circuit Insufficient Activity Sensor 2 (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • Ho2S 2
    • Circuit Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0171: Fuel Trim System Lean Bank 1; DTC P0172: Fuel Trim System Rich Bank 1; DTC P0174: Fuel Trim System Lean Bank 2; DTC P0175: Fuel Trim System Rich Bank 2
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P018B: Fuel Pressure Sensor Performance; DTC P018C: Fuel Pressure Sensor Circuit Low Voltage; DTC P018D: Fuel Pressure Sensor Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0191: Fuel Rail Pressure Sensor Performance (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
      • Condition 1
      • Condition 2 and 3
    • Conditions for Setting the DTC
      • Condition 1
      • Condition 2
      • Condition 3
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0192: Fuel Rail Pressure Sensor Circuit Low Voltage; DTC P0193: Fuel Rail Pressure Sensor Circuit High Voltage (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0201: Cylinder 1 Injector Control Circuit; DTC P0202: Cylinder 2 Injector Control Circuit; DTC P0203: Cylinder 3 Injector Control Circuit; DTC P0204: Cylinder 4 Injector Control Circuit; DTC P0205: Cylinder 5 Injector Control Circuit; DTC P0206: Cylinder 6 Injector Control Circuit; DTC P0261: Cylinder 1 Injector Control Circuit Low Voltage; DTC P0262: Cylinder 1 Injector Control Circuit High Voltage; DTC P0264: Cylinder 2 Injector Control Circuit Low Voltage; DTC P0265: Cylinder 2 Injector Control Circuit High Voltage; DTC P0267: Cylinder 3 Injector Control Circuit Low Voltage; DTC P0268: Cylinder 3 Injector Control Circuit High Voltage; DTC P0270: Cylinder 4 Injector Control Circuit Low Voltage; DTC P0271: Cylinder 4 Injector Control Circuit High Voltage; DTC P0273: Cylinder 5 Injector Control Circuit Low Voltage; DTC P0274: Cylinder 5 Injector Control Circuit High Voltage; DTC P0276: Cylinder 6 Injector Control Circuit Low Voltage; DTC P0277: Cylinder 6 Injector Control Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0201: Cylinder 1 Injector Control Circuit; DTC P0202: Cylinder 2 Injector Control Circuit; DTC P0203: Cylinder 3 Injector Control Circuit; DTC P0204: Cylinder 4 Injector Control Circuit; DTC P0205: Cylinder 5 Injector Control Circuit; DTC P0206: Cylinder 6 Injector Control Circuit; DTC P0261: Cylinder 1 Injector Control Circuit Low Voltage; DTC P0262: Cylinder 1 Injector Control Circuit High Voltage; DTC P0264: Cylinder 2 Injector Control Circuit Low Voltage; DTC P0265: Cylinder 2 Injector Control Circuit High Voltage; DTC P0267: Cylinder 3 Injector Control Circuit Low Voltage; DTC P0268: Cylinder 3 Injector Control Circuit High Voltage; DTC P0270: Cylinder 4 Injector Control Circuit Low Voltage; DTC P0271: Cylinder 4 Injector Control Circuit High Voltage; DTC P0273: Cylinder 5 Injector Control Circuit Low Voltage; DTC P0274: Cylinder 5 Injector Control Circuit High Voltage; DTC P0276: Cylinder 6 Injector Control Circuit Low Voltage; DTC P0277: Cylinder 6 Injector Control Circuit High Voltage (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0219: Engine Overspeed Condition
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Circuit/System Verification
  • DTC P0231: Fuel Pump Control Circuit Low Voltage; DTC P0232: Fuel Pump Control Circuit High Voltage; DTC P023F: Fuel Pump Control Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic support
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0234: Engine Overboost; DTC P0299: Engine Underboost
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • Boost Pressure Sensor
      • Circuit Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0236: Turbocharger Boost System Performance; DTC P0237: Turbocharger Boost Sensor Circuit Low Voltage; DTC P0238: Turbocharger Boost Sensor Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
      • Notes
      • Typical Scan Tool Data
      • Intake Air Pressure and Temperature Sensor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0244: Turbocharger Wastegate Solenoid Valve Control Performance; DTC P0244: Turbocharger Wastegate Solenoid Valve Control Circuit Low Voltage; DTC P0246: Turbocharger Wastegate Solenoid Valve Control Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTCs
    • Action Taken When the DTCs Set
    • Conditions for Clearing the MIL/DTCs
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P025A: Fuel Pump Control Module Enable Circuit
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0300: Engine Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected; DTC P0305: Cylinder 5 Misfire Detected; P0306: Cylinder 6 Misfire Detected (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0300: Engine Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected; DTC P0305: Cylinder 5 Misfire Detected; DTC P0306: Cylinder 6 Misfire Detected (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0315: Crankshaft Position System Variation Not Learned
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End Views
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0324: Knock Sensor Module Performance (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
      • Notes
      • Test One
      • Test Two
      • Test Three
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P0324: Knock Sensor System Performance; DTC P0325: Knock Sensor Circuit Bank 1; DTC P0326: Knock Sensor Performance Bank 1; DTC P0327: Knock Sensor Circuit Low Voltage Bank 1; DTC P0328: Knock Sensor Circuit High Voltage Bank 1; DTC P0330: Knock Sensor Circuit Bank 2; DTC P0331: Knock Sensor Performance Bank 2; DTC P0332: Knock Sensor Circuit Low Voltage Bank 2; DTC P0333: Knock Sensor Circuit High Voltage Bank 2; DTC P06B6: Control Module Knock Sensor Processor 1 Performance; DTC P06B7: Control Module Knock Sensor Processor 2 Performance (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0326: Knock Sensor System Performance Bank 1; DTC P0327: Knock Sensor Circuit Low Voltage Bank 1; DTC P0328: Knock Sensor Circuit High Voltage Bank 1; DTC P0331: Knock Sensor System Performance Bank 2; DTC P0332: Knock Sensor Circuit Low Voltage Bank 2; DTC P0333: Knock Sensor Circuit High Voltage Bank 2 (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
      • Notes
      • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0335: Crankshaft Position Sensor Circuit (LF1, LFW, or LFX)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
      • Condition 1
      • Condition 2
      • Condition 3
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0335: Crankshaft Position Sensor Circuit; DTC P0336: Crankshaft Position Sensor Performance; DTC P0338: Crankshaft Position Sensor Circuit High Duty Cycle (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0336: Crankshaft Position Sensor Performance (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0340: Intake Camshaft Position Sensor Circuit Bank 1; DTC P0345: Intake Camshaft Position Sensor Circuit Bank 2; DTC P0365: Exhaust Camshaft Position Sensor Circuit Bank 1; DTC P0390: Exhaust Camshaft Position Sensor Circuit Bank 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0341: Intake Camshaft Position Sensor Performance Bank 1; DTC P0342: Intake Camshaft Position Sensor Circuit Low Voltage Bank 1; DTC P0343: Intake Camshaft Position Sensor Circuit High Voltage Bank 1; DTC P0346: Intake Camshaft Position Sensor Performance Bank 2; DTC P0347: Intake Camshaft Position Sensor Circuit Low Voltage Bank 2; DTC P0348: Intake Camshaft Position Sensor Circuit High Voltage Bank 2; DTC P0366: Exhaust Camshaft Position Sensor Performance Bank 1; DTC P0367: Exhaust Camshaft Position Sensor Circuit Low Voltage Bank 1; DTC P0368: Exhaust Camshaft Position Sensor Circuit High Voltage Bank 1; DTC P0391: Exhaust Camshaft Position Sensor Performance Bank 2; DTC P0392: Exhaust Camshaft Position Sensor Circuit Low Voltage Bank 2; DTC P0393: Exhaust Camshaft Position Sensor Circuit High Voltage Bank 2 (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0341: Intake Camshaft Position Sensor Performance Bank 1; DTC P0346: Intake Camshaft Position Sensor Performance Bank 2; DTC P0366: Exhaust Camshaft Position Sensor Performance Bank 1; DTC P0391: Exhaust Camshaft Position Sensor Performance Bank 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0351: Ignition Coil 1 Control Circuit; DTC P0352: Ignition Coil 2 Control Circuit; DTC P0353: Ignition Coil 3 Control Circuit; DTC P0354: Ignition Coil 4 Control Circuit; DTC P0355: Ignition Coil 5 Control Circuit; DTC P0356: Ignition Coil 6 Control Circuit (LF1 or LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0351: Ignition Coil 1 Control Circuit; DTC P0352: Ignition Coil 2 Control Circuit; DTC P0353: Ignition Coil 3 Control Circuit; DTC P0354: Ignition Coil 4 Control Circuit; DTC P0355: Ignition Coil 5 Control Circuit; DTC P0356: Ignition Coil 6 Control Circuit; DTC P2300: Ignition Coil 1 Control Circuit Low Voltage; DTC P2301: Ignition Coil 1 Control Circuit High Voltage; DTC P2303: Ignition Coil 2 Control Circuit Low Voltage; DTC P2304: Ignition Coil 2 Control Circuit High Voltage; DTC P2306: Ignition Coil 3 Control Circuit Low Voltage; DTC P2307: Ignition Coil 3 Control Circuit High Voltage; DTC P2309: Ignition Coil 4 Control Circuit Low Voltage; DTC P2310: Ignition Coil 4 Control Circuit High Voltage; DTC P2312: Ignition Coil 5 Control Circuit Low Voltage; DTC P2313: Ignition Coil 5 Control Circuit High Voltage; DTC P2315: Ignition Coil 6 Control Circuit Low Voltage; DTC P2316: Ignition Coil 6 Control Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0411: Secondary Air Injection System Incorrect Air Flow Detected
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0418: Secondary Air Injection Pump Control Circuit; DTC P2257: Secondary Air Injection Pump Relay Control Circuit Low Voltage; DTC P2258: Secondary Air Injection Pump Relay Control Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0420: Catalyst System Low Efficiency Bank 1; DTC P0430: Catalyst System Low Efficiency Bank 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0420: Catalyst System Low Efficiency Bank 1; DTC P0430: Catalyst System Low Efficiency Bank 2 (LAU)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0442: Evaporative Emission System Small Leak Detected
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • DTC Type Reference
      • Description and Operation
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Testing
    • Repair Verification
  • DTC P0443: Evaporative Emission (EVAP) Purge Solenoid Valve Control Circuit; DTC P0449: Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Description and Operation
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0443: Evaporative Emission (EVAP) Purge Solenoid Control Circuit; DTC P0458: Evaporative Emission (EVAP) Purge Solenoid Control Circuit Low Voltage; DTC P0459: Evaporative Emission (EVAP) Purge Solenoid Control Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0446: Evaporative Emissions Vent System Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
      • Notes
      • Restriction
      • Fuel Tank Pressure Sensor
    • Repair Instructions
    • Repair Verification
  • DTC P0449: Evaporative Emission (EVAP) Vent Solenoid Control Circuit; DTC P0498: Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit Low Voltage; DTC P0499: Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0450: Fuel Tank Pressure Sensor Circuit; DTC P0451: Fuel Tank Pressure Sensor Performance (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Typical Scan Tool Data
      • Fuel Tank Pressure Sensor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0451: Fuel Tank Pressure Sensor Performance; DTC P0452: Fuel Tank Pressure Sensor Circuit Low Voltage; DTC P0453: Fuel Tank Pressure Sensor Circuit High Voltage; DTC P0454: Fuel Tank Pressure Sensor Intermittent (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • Fuel Tank Pressure Sensor Voltage
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
      • Notes
      • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0452: Fuel Tank Pressure Sensor Circuit Low Voltage; DTC P0453: Fuel Tank Pressure Sensor Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • Fuel Tank Pressure Sensor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0455: Evaporative Emission System Large Leak Detected (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0455: Evaporative Emission (EVAP) System Large Leak Detected; DTC P0497: Evaporative Emission (EVAP) System No Flow During Purge (LAU)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0496: Evaporative Emission (EVAP) System Flow During Non-Purge
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0506: Idle Speed Low; DTC P0507: Idle Speed High (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0506: Idle Speed Low; DTC P0507: Idle Speed High; DTC P050A: Cold Start Idle Air Control System Performance (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P050D: Cold Start Rough Idle
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P052B: Cold Start Intake Camshaft Position System Performance Bank 1 - Retarded; DTC P052D: Cold Start Intake Camshaft Position System Performance Bank 2 - Retarded; DTC P054B: Cold Start Exhaust Camshaft Position System Performance Bank 1 - Retarded; DTC P054D: Cold Start Exhaust Camshaft Position System Performance Bank 2 - Retarded
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Diagnostic Aids
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0601: Control Module Read Only Memory Performance; DTC P0602: Control Module Not Programmed; DTC P0603: Control Module Long Term Memory Reset; DTC P0604: Control Module Random Access Memory Performance; DTC P0606: Control Module Processor Performance; DTC P062B: Control Module Fuel Injector Control Performance; DTC P062F: Control Module Long Term Memory Performance; DTC P0630: VIN Not Programmed or Mismatched - Engine Control Module (ECM); DTC P16F3: Control Module Redundant Memory Performance; DTC P2610: Control Module Ignition Off Timer Performance (ECM, LFW/LFX)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0601: Control Module Read Only Memory (ROM); DTC P0602: Control Module Not Programmed; DTC P0603: Control Module Long Term Memory Reset; DTC P0604: Control Module Random Access Memory (RAM); DTC P0606: Control Module Internal Performance; DTC P062F: Control Module Long Term Memory Performance (Fuel Pump Control Module)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P0602: Control Module Not Programmed; DTC P0603: Control Module Long Term Memory Reset; DTC P0604: Control Module Random Access Memory Performance; DTC P0605: Control Module Programming Read Only Memory Performance; DTC P0606: Control Module Processor Performance; DTC P0610: Control Module Vehicle Options Incorrect; DTC P0614: Engine Control Module/Transmission Control Module Programming Not Plausible; DTC P0630: VIN Not Programmed or Mismatched - Engine Control Module (ECM); DTC P06D1: Control Module Ignition Coil System Circuitry Performance; DTC P160D: Incorrect Engine Calibration Detected; DTC P160E: Engine Calibration Monitoring Not Programmed; DTC P161C: Tire Size Not Programmed; DTC P2610: Control Module Ignition Off Timer Performance (ECM, LAU/LBW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0627: Fuel Pump Enable Circuit; DTC P0628: Fuel Pump Enable Circuit Low Voltage; DTC P0629: Fuel Pump Enable Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0638: Throttle Actuator Control (TAC) Command Performance; DTC P2100: Throttle Actuator Control (TAC) Motor Control Circuit; DTC P2101: Throttle Actuator Position Performance; DTC P2102: Throttle Actuator Control (TAC) Motor Control Circuit Low Voltage; DTC P2103: Throttle Actuator Control (TAC) Motor Control Circuit High Voltage; DTC P2119: Throttle Closed Position Performance (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0641: 5 V Reference Circuit; DTC P06A6: 5 V Reference Performance (Fuel Pump Control Module)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Repair Instructions
  • DTC P0641: 5 V Reference 1 Circuit; DTC P0642: 5 V Reference 1 Circuit Low Voltage; DTC P0643: 5 V Reference 1 Circuit High Voltage; DTC P0651: 5 V Reference 2 Circuit; DTC P0652: 5 V Reference 2 Circuit Low Voltage; DTC P0653: 5 V Reference 2 Circuit High Voltage; DTC P0697: 5 V Reference 3 Circuit; DTC P0698: 5 V Reference 3 Circuit Low Voltage; DTC P0699: 5 V Reference 3 Circuit High Voltage (ECM, LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0641: 5 V Reference 1 Circuit; DTC P0651: 5 V Reference 2 Circuit; DTC P0697: 5 V Reference 3 Circuit; DTC P06A3: 5 V Reference 4 Circuit (ECM, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0650: Malfunction Indicator Lamp (MIL) Control Circuit
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0685: Engine Controls Ignition Relay Control Circuit; DTC P0686: Engine Controls Ignition Relay Control Circuit Low Voltage; DTC P0687: Engine Controls Ignition Relay Control Circuit High Voltage; DTC P0689: Engine Controls Ignition Relay Feedback Circuit Low Voltage; DTC P0690: Engine Controls Ignition Relay Feedback Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Setting the DTC
    • Conditions for Running the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0685: Engine Controls Ignition Relay Control Circuit; DTC P0689: Engine Controls Ignition Relay Feedback Circuit Low Voltage; DTC P0690: Engine Controls Ignition Relay Feedback Circuit High Voltage; DTC P1682: Ignition 1 Switch Circuit 2 (LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
      • Powertrain Relay
      • Run/Crank Relay
    • Typical Scan Tool Data
      • Engine Controls Ignition Relay Control Circuit Low Voltage, Open, and High Voltage Test Status - Component Commanded OFF
      • Engine Controls Ignition Relay Control Circuit Low Voltage, Open, and High Voltage Test Status - Component Commanded ON
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P069E: Fuel Pump Control Module Requested MIL Illumination
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P0700: Transmission Control Module (TCM) Requested MIL Illumination
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P0856: Traction Control Torque Request Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • DTC Type Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P1248: Cylinder 1 Injector High Control Circuit Shorted to Control Circuit; DTC P1249: Cylinder 2 Injector High Control Circuit Shorted to Control Circuit; DTC P124A: Cylinder 3 Injector High Control Circuit Shorted to Control Circuit; DTC P124B: Cylinder 4 Injector High Control Circuit Shorted to Control Circuit; DTC P124C: Cylinder 5 Injector High Control Circuit Shorted to Control Circuit; DTC P124D: Cylinder 6 Injector High Control Circuit Shorted to Control Circuit (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P1255: Fuel Pump Control Module Driver Over-temperature; DTC P064A: Fuel Pump Control Module Performance
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P135A: Ignition Coil Supply Voltage Circuit Bank 1; DTC P135B: Ignition Coil Supply Voltage Circuit Bank 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P1400: Cold Start Emission Reduction Control System
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Description and Operation
      • DTC Type Reference
      • Scan Tool Reference
    • Diagnostic Aids
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P150C: Transmission Control Module Engine Speed Request Signal Message Counter Incorrect
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Description and Operation
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance; DTC P2101: Throttle Actuator Position Performance; DTC P2119: Throttle Closed Position Performance; DTC P2176: Minimum Throttle Position Not Learned (LFX, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P1551: Throttle Valve Rest Position Not Reached During Learn
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P159F: Fuel Economy Mode Switch Circuit Low Voltage; DTC P15A0: Fuel Economy Mode Switch Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P15A1: Fuel Economy Mode Switch Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P163A: Control Module Fuel Pressure Regulator 1 Control System Circuitry Performance (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2096: Post Catalyst Fuel Trim System Low Limit
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2097: Post Catalyst Fuel Trim System High Limit
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2105: Throttle Actuator Control (TAC) System - Forced Engine Shutdown
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage; DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage; DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage; DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage; DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation (LF1)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • APP Sensor 1 and 2
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage; DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage; DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage; DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage; DTC P2138: Accelerator Pedal Position (APP) Sensors 1-2 Not Plausible (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • APP Sensor
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2147: Cylinder 1 Injector High Control Circuit Low Voltage; DTC P2148: Cylinder 1 Injector High Control Circuit High Voltage; DTC P2150: Cylinder 2 Injector High Control Circuit Low Voltage; DTC P2151: Cylinder 2 Injector High Control Circuit High Voltage; DTC P2153: Cylinder 3 Injector High Control Circuit Low Voltage; DTC P2154: Cylinder 3 Injector High Control Circuit High Voltage; DTC P2156: Cylinder 4 Injector High Control Circuit Low Voltage; DTC P2157: Cylinder 4 Injector High Control Circuit High Voltage; DTC P216B: Cylinder 5 Injector High Control Circuit Low Voltage; DTC P216C: Cylinder 5 Injector High Control Circuit High Voltage; DTC P216E: Cylinder 6 Injector High Control Circuit Low Voltage; DTC P216F: Cylinder 6 Injector High Control Circuit High Voltage (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P2176: Minimum Throttle Position Not Learned (Without LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2177: Fuel Trim System Lean at Cruise or Acceleration; DTC P2187: Fuel Trim System Lean at Idle
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2178: Fuel Trim System Rich at Cruise or Acceleration; DTC P2188: Fuel Trim System Rich at Idle
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P219A: Air Fuel Imbalance Bank 1; DTC P219B: Air Fuel Imbalance Bank 2
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2227: Barometric Pressure (BARO) Sensor Performance; DTC P2228: Barometric Pressure (BARO) Sensor Circuit Low Voltage; DTC P2229: Barometric Pressure (BARO) Sensor Circuit High Voltage (LAU)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2227: Barometric Pressure (BARO) Sensor Performance; DTC P2228: Barometric Pressure (BARO) Sensor Circuit Low Voltage; DTC P2229: Barometric Pressure (BARO) Sensor Circuit High Voltage; DTC P2230: Barometric Pressure (BARO) Sensor Circuit Erratic (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • BARO
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
    • DTC Type Reference
      • Notes
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2232: HO2S Signal Circuit Shorted to Heater Circuit Sensor 2 (Without LF1)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2261: Turbocharger Bypass Valve Stuck
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2270: HO2S Signal Stuck Lean Sensor 2 (Without LF1)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2270: HO2S Signal Stuck Lean Bank 1 Sensor 2; DTC P2272: HO2S Signal Stuck Lean Bank 2 Sensor 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • HO2S Sensor 1 Voltage, HO2S Sensor 2 Voltage
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2271: HO2S Signal Stuck Rich Sensor 2 (Without LF1)
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken when the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2271: HO2S Signal Stuck Rich Bank 1 Sensor 2; DTC P2273: HO2S Signal Stuck Rich Bank 2 Sensor 2 (LF1, LFW)
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
      • HO2S Sensor 1 Voltage, HO2S Sensor 2 Voltage
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2431: Secondary Air Injection System Pressure Sensor Performance; DTC P2432: Secondary Air Injection System Pressure Sensor Circuit Low Voltage; DTC P2433: Secondary Air Injection System Pressure Sensor Circuit High Voltage
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2440: Secondary Air Injection System Shut-Off Valve Jams In Open Position
    • Diagnosis Instructions
    • DTC description
    • Circuit/System Description
    • Conditions for DTCs
    • Conditions for setting DTC
    • Activity when DTC is set
    • Conditions for clearing DTC
    • Reference Information
      • Schematic Reference
      • Component connector end view reference
      • Description and Operation
      • Electrical information reference
      • DTC type reference
      • Scan tool reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2534: Ignition 1 Switch Circuit Low Voltage (Fuel Pump Control Module)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2544: Transmission Torque Request Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
      • DTC Type Reference
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2635: Fuel Pump Flow Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic support
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Testing
    • Repair Instructions
• Fault diagnosis, symptoms
  • Symptoms - Engine Controls (LF1)
    • Diagnostic Instructions
    • Symptoms Description
    • Symptoms Definition
      • Backfire
      • Cuts Out, Misses
      • Detonation/Spark Knock
      • Dieseling, Run-On
      • Engine Control Module (ECM) Commanded Reduced Engine Power
      • Fuel Odor
      • Hard Start
      • Hesitation, Sag, Stumble
      • Lack of Power, Sluggishness, or Sponginess
      • Poor Fuel Economy
      • Rough, Unstable, or Incorrect Idle and Stalling
      • Surges/Chuggles
    • Symptoms Verification
      • Notes
      • Identifying Intermittent Conditions
      • Visual/Physical Inspection
    • Symptoms Testing
      • Backfire, Cuts Out/Misses, Detonation/Spark Knock, Dieseling/Run-On, Hard Start, Hesitation/Sag/Stumble, Lack of Power/Sluggishness/Sponginess, Poor Fuel Economy, Rough, Unstable, or Incorrect Idle and Stalling, or Surges/Chuggles
    • Additional Symptoms Tests
      • Hard Start
      • Hesitation, Sag, Stumble
      • Poor Fuel Economy
      • Detonation/Spark Knock
      • Lack of Power, Hesitation, or Cut Out
      • Rough, Unstable, or Incorrect Idle and Stalling
      • Surges/Chuggles
      • Fuel Odor
      • ECM Commanded Reduced Engine Power
  • Symptoms - Engine Controls (LAU)
    • Diagnostic Instructions
    • Symptoms Description
    • Symptoms Definition
      • Backfire
      • Cuts Out, Misses
      • Detonation/Spark Knock
      • Dieseling, Run-On
      • Engine Control Module (ECM) Commanded Reduced Engine Power
      • Fuel Odor
      • Hard Start
      • Hesitation, Sag, Stumble
      • Lack of Power, Sluggishness, or Sponginess
      • Poor Fuel Economy
      • Rough, Unstable, or Incorrect Idle and Stalling
      • Surges/Chuggles
    • Symptoms Verification
      • Notes
      • Identifying Intermittent Conditions
      • Visual/Physical Inspection
    • Symptoms Testing
      • Backfire, Cuts Out/Misses, Detonation/Spark Knock, Dieseling/Run-On, Hard Start, Hesitation/Sag/Stumble, Lack of Power/Sluggishness/Sponginess, Poor Fuel Economy, Rough, Unstable, or Incorrect Idle and Stalling, or Surges/Chuggles
    • Additional Symptoms Tests
      • Hard Start
      • Hesitation, Sag, Stumble
      • Poor Fuel Economy
      • Detonaton/Spark Knock
      • Lack of Power, Hesitation, or Cut Out
      • Rough, Unstable, or Incorrect Idle and Stalling
      • Surges/Chuggles
      • Fuel Odor
      • ECM Commanded Reduced Engine Power
  • Poor Fuel Fill Quality
  • Malfunction Indicator Lamp (MIL) Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Engine Cranks But Does Not Run (LF1)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • Engine Cranks But Does Not Run (LAU)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Repair Instructions
  • Fuel Pump Electrical Circuit Diagnosis
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • DTC Type Reference
      • Scan Tool Reference
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel System Diagnosis (LF1 China)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel System Diagnosis (LF1 Except China)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel System Diagnosis (LAU China)
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel System Diagnosis (LAU Except China)
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel Injector Solenoid Coil Test (LAU)
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
    • Component Testing
    • Repair Instructions
  • Fuel Injector Solenoid Coil Test (LF1, LFW)
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
      • Schematic Reference
      • Electrical Information Reference
    • Component Testing
    • Repair Instructions
  • Fuel Injector Balance Test (LAU)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
      • Fuel Injector Balance Test-Fuel Pressure Test
      • Fuel Injector Balance Test with Special Tool
      • Fuel Injector Balance Test with Tech 2
      • Fuel Injector Balance Test with the Active Fuel Injector Tester
    • Repair Instructions
  • Fuel Injector Balance Test (LF1, LFW)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Component Testing
      • Notes
      • Fuel Injector Balance Test
    • Repair Instructions
  • Alcohol/Contaminants-in-Fuel Diagnosis (Special Tool)
    • Diagnostic Instructions
    • Description
    • Test Procedure
      • Notes
      • Fuel Composition Test Examples
  • Alcohol/Contaminants-in-Fuel Diagnosis (Without Special Tool)
    • Diagnostic Instructions
    • Description
    • Alcohol in Fuel Testing Procedure
    • Particulate Contaminants in Fuel Testing Procedure
  • Evaporative Emission System Diagnosis
    • Operating Instructions for the Evaporative Emission System Tester (EEST)
      • Vehicle Setup
    • Flow Meter Test - Leak Detection
    • Smoke Procedure - Locate the Leak
    • Temperature Variation Instructions
      • The Concern
      • For Example
      • The Solution
  • Electronic Ignition System Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
      • Schematic Reference
      • Connector End View Reference
      • Description and Operation
      • Electrical Information Reference
      • Scan Tool Reference
      • Special Tools
    • Circuit/System Testing
    • Repair Instructions
  • Inspection/Maintenance System Check
    • Diagnostic Instructions
    • Description
    • Conditions for Updating the I/M System Status
    • Conditions for Clearing I/M Test DTCs
    • Monitored Emission Control Systems
    • Diagnostic Aids
    • Circuit/System Verification
    • Circuit/System Testing
  • Inspection/Maintenance Complete System Set Procedure
    • Diagnostic Instructions
    • Description
    • Conditions for Meeting a Cold Start
    • Circuit/System Verification
    • Inspection/Maintenance (I/M) System Set Procedure
  • Inspection/Maintenance (I/M) Test DTC Table
• Adjustment Replacement
  • Time studies - Engine management system, ignition system
    • Notes
    • Correction
    • Location (pos)
  • Time studies - Intake and fuel system
    • Notes
    • Correction
    • Location (pos)
  • Crankshaft Position System Variation Learn (LF1, LFW)
  • Engine Control Module Replacement
  • Throttle/Idle Learn (LF1, LFW)
    • Description
    • Conditions for Running the Throttle Learn Procedure
      • Reset Procedure
      • Learn Procedure
    • Throttle Learn
      • Reset Procedure (Performed after the throttle body is cleaned or replaced)
      • Learn Procedure (Performed after the ECM is flashed or replaced)
  • Throttle/Idle Learn (Without LF1, LFW)
    • Description
    • Conditions for Running the Idle Learn Procedure
    • Idle Learn Procedure
  • Engine Coolant Temperature Sensor Replacement (LAU)
  • Engine Coolant Temperature Sensor Replacement (LF1)
  • Mass Airflow Sensor with Intake Air Temperature Sensor Replacement (LAU)
  • Mass Airflow Sensor with Intake Air Temperature Sensor Replacement (LF1)
  • Manifold Absolute Pressure Sensor Replacement (LF1)
  • Throttle Inlet Absolute Pressure Sensor Replacement (LF1)
  • Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (LF1)
  • Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (LF1)
  • Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (LF1)
  • Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (LF1)
  • Heated Oxygen Sensor Replacement - Sensor 1 (LAU)
  • Heated Oxygen Sensor Replacement - Sensor 2 (LAU)
  • Accelerator Pedal with Position Sensor Assembly Replacement
  • Accelerator Pedal Adjuster Actuator Replacement
    • Removal Procedure
    • Installation Procedure
  • Throttle Body Assembly Replacement (LAU)
  • Throttle Body Assembly Replacement (LF1)
  • Throttle Body Inspection and Cleaning
  • Fuel Pressure Relief
  • Fuel Pressure Gauge Installation and Removal
    • Special Tools
    • Installation Procedure
    • Removal Procedure
  • Metal Collar Quick Connect Fitting Service
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Plastic Collar Quick Connect Fitting Service
    • Removal Procedure
    • Installation Procedure
  • Fuel Tank Draining
    • Special Tools
  • Fuel Tank Replacement
    • Removal Procedure
    • Installation Procedure
  • Fuel Pump Flow Control Module Replacement
  • Fuel Tank Pressure Sensor Replacement
  • Fuel Tank Filler Pipe Replacement
    • Removal Procedure
    • Installation Procedure
  • Primary Fuel Tank Module Replacement (NA3, NE9, NF9)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Primary Fuel Tank Module Replacement (NT7, NU5)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Secondary Fuel Tank Module Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Primary Fuel Level Sensor Replacement
    • Removal Procedure
    • Installation Procedure
  • Fuel Line Replacement - Chassis
    • Removal Procedure
    • Installation Procedure
  • Fuel Pressure Sensor Replacement - Fuel Feed Pipe
  • Fuel feed pipe, replacement (engine)
  • Fuel System Cleaning
    • Notes
    • Installation Procedure
  • Fuel Pressure Sensor Replacement - Fuel Injection Fuel Rail
  • Fuel Pressure Sensor Replacement (NT7, NU5)
  • Fuel Injection Fuel Rail Assembly Replacement - Bank 1 (LF1, LFW)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Fuel Injection Fuel Rail Assembly Replacement - Bank 2 (LF1, LFW)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Intermediate pipe, fuel supply, replacement (LF1 or LFW)
  • Fuel Pipe Shield Replacement
  • Fuel Pump Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Fuel Injector Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Evaporative Emission Canister Purge Solenoid Valve Replacement (LAU)
  • Evaporative Emission Canister Purge Solenoid Valve Replacement (LF1)
  • Evaporative Emission Canister Vent Solenoid Valve Replacement (NT7, NU5)
  • Evaporative Emission Front Pipe Replacement
    • Removal Procedure
    • Installation Procedure
  • Evaporative Emission Rear Pipe Replacement
  • Evaporative Emission Canister Purge Tube Replacement (LAU)
  • Evaporative Emission Canister Purge Tube Replacement (LF1)
  • Canister Air Inlet Hose Replacement
  • Evaporative Emission Canister Replacement (NT7, NU5)
  • Evaporative Emission System Cleaning
    • Special Tools
    • Inspection Procedure
    • Cleaning Procedure
  • Ignition Coil Replacement - Bank 1
    • Removal Procedure
    • Installation Procedure
  • Ignition Coil Replacement - Bank 2
    • Removal Procedure
    • Installation Procedure
  • Spark Plug Inspection
    • Spark Plug Usage
    • Spark Plug Inspection
    • Spark Plug Visual Inspection
  • Spark Plug Replacement
    • Removal Procedure
    • Installation Procedure
  • Crankshaft Position Sensor Replacement
  • Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust
  • Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake
  • Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust
  • Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake
  • Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake
  • Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust
  • Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake
  • Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust
  • Knock Sensor Replacement - Bank 1
  • Knock Sensor Replacement - Bank 2
  • Turbocharger Pressure Sensor Replacement
  • Charge Air Cooler Outlet Duct Replacement
  • Charge Air Cooler Inlet Duct Replacement
  • Secondary Air Injection Pipe Replacement
    • Removal Procedure
    • Installation Procedure
  • Secondary Air Injection Pump Pipe Replacement
  • Secondary Injection Shutoff Valve Pressure Sensor Replacement
  • Secondary Air Injection Pump Replacement
  • Secondary Air Injection Pump Hose Replacement
  • Air Cleaner Element Replacement (LAU)
  • Air Cleaner Element Replacement (LF1)
  • Air Cleaner Assembly Replacement (LAU)
  • Air Cleaner Assembly Replacement (LF1)
  • Air Cleaner Outlet Duct Replacement (LAU)
  • Air Cleaner Outlet Duct Replacement (LF1)
• Wiring diagram
  • Engine Controls Schematics (3.0L (LF1))
    • Module Power, Ground, Serial Data, and Indicator
    • 5V1 and Low Reference Bus
    • 5V2, 5V3, 5V4, and Low Reference Bus
    • Engine Data Sensors - Pressure, Temperature, and Throttle Controls
    • Engine Data Sensors - Oxygen Sensors
    • Ignition Controls - Bank 1 Ignition System
    • Ignition Controls - Bank 2 Ignition System
    • Ignition Controls - Camshaft, Crankshaft, Knock Sensors and Camshaft Actuators
    • Fuel Controls - Fuel Injectors
    • Fuel Controls - Fuel Pump
    • Fuel Controls - Fuel System and Evaporative Emission Controls
    • Controlled and Monitored Subsystem References
  • Engine Controls Schematics (2.8L (LAU))
    • Module Power, Ground Serial Data, and Indicator
    • 5V1 and Low Reference Bus
    • 5V2, 5V3, 5V4, and Low Reference Bus
    • Engine Data Sensors - Pressure, Temperature, and Throttle Controls
    • Engine Data Sensors - Pressure Controls and Oxygen Sensors
    • Ignition Controls - Bank 1 Ignition System
    • Ignition Controls - Bank 2 Ignition System
    • Ignition Controls - Camshaft, Crankshaft, Knock Sensors and Camshaft Actuators
    • Fuel Controls - Fuel Injectors
    • Fuel Controls - Fuel Pump
    • Fuel Controls - Evaporative Emission and Fuel Economy Controls
    • Fuel Controls - Secondary Air Injection and Turbocharger Controls
    • Controlled and Monitored Subsystem References