Engine General Information And Diagnosis
- Precautions
- General Description
- Statement of Cleanliness and Care
- Engine Diagnosis General Description
- On-Board Diagnostic System Description
- OBD System Description - Catalyst Monitor
- OBD System Description - Misfire Monitor
- OBD System Description - EVAP Control System Monitor
- OBD System Description - Fuel System Monitor
- OBD System Description - Oxygen Sensor Monitor
- OBD System Description - HO2S Heater Monitor
- OBD System Description - EGR System Monitor
- OBD System Description - Thermostat Monitor
- OBD System Description - PCV System Monitor
- OBD System Description - Comprehensive Component (Engine Input) Monitor
- OBD System Description - Comprehensive Component Rationality Monitor
- Monitoring Procedure
- DTC Description / Detecting Condition / Confirmation Procedure
- MAF Sensor Rationality Monitor
- MAP Sensor Rationality Monitor
- IAT Sensor Rationality Monitor
- ECT Sensor Rationality Monitor
- TP Sensor Rationality Monitor
- Fuel Level Sensor Rationality Monitor
- VSS Rationality Monitor
- Barometric pressure sensor rationality monitor
- CKP Sensor Rationality Monitor
- CMP Sensor Rationality Monitor
- Starter Signal Circuit Rationality Monitor
- ECM Internal Circuit/Memory Monitor
- Buck-up Power Monitor
- CAN Communication Signal Circuit Rationality Monitor
- Charging System Monitor
- OBD System Description - Comprehensive Component Monitor (Engine Output)
- Engine and Emission Control System Description
- EVAP Leak Check System Description
- Air Intake System Description
- Electronic Control System Description
- Engine and Emission Control Input / Output Table
- Schematic and Routing Diagram
- Diagnostic Information and Procedures
- Engine and Emission Control System Check
- Notes
- Description for Each Step
- Step 1. Customer complaint analysis
- Step 2. DTCs / freeze frame data check
- Step 3. Visual inspection
- Step 4. Visual inspection
- Step 5. Trouble symptom confirmation
- Step 6. DTC / freeze frame data recheck
- Step 7. DTC/freeze frame data recheck
- Step 8. Engine basic inspection
- Step 9. DTC troubleshooting
- Step 10. Intermittent problems check
- Step 11. Final confirmation test
- Visual Inspection
- Engine Basic Check
- Malfunction Indicator Lamp (MIL) Check
- DTC Check
- DTC Table
- DTC Clearance
- Fail-Safe Table
- Scan Tool Data
- Engine Symptom Diagnosis
- MIL Does Not Light or MIL Dims at Ignition Switch ON Leaving Engine OFF (But Engine Can be Starting)
- MIL Remains ON after Engine Starts
- MIL Does Not Light at Ignition Switch ON and Engine Does Not Start Through It Is Cranked Up
- DTC P0031 / P0032 / P0053: HO2S (Bank 1 Sensor-1) Heater Control Circuit Low / High / Heater Resistance
- DTC P0037 / P0038 / P0054: HO2S (Bank 1 Sensor-2) Heater Control Circuit Low / High / Heater Resistance
- DTC P0051 / P0052 / P0059: HO2S (Bank 2 Sensor-1) Heater Control Circuit Low / High / Heater Resistance
- DTC P0057 / P0058 / P0060: HO2S (Bank 2 Sensor-2) Heater Control Circuit Low / High / Heater Resistance
- DTC P0101: Mass Air Flow Circuit Performance
- DTC P0102: Mass Air Flow Circuit Low Input
- DTC P0103: Mass Air Flow Circuit High Input
- DTC P0107 / P0108: Manifold Absolute Pressure Circuit Low Input / High Input
- DTC P0111: Intake Air Temperature Sensor Circuit Performance
- DTC P0112: Intake Air Temperature Sensor Circuit Low
- DTC P0113: Intake Air Temperature Sensor Circuit High
- DTC P0116: Engine Coolant Temperature Circuit Performance
- DTC P0117: Engine Coolant Temperature Circuit Low
- DTC P0118: Engine Coolant Temperature Circuit High
- DTC P0121: Throttle Position Sensor Circuit Performance
- DTC P0122: Throttle Position Sensor Circuit Low
- DTC P0123: Throttle Position Sensor Circuit High
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat (Coolant Temperature below Thermostat Regulating Temperature)
- DTC P0131 / P0132: O2 Sensor (Bank 1 Sensor -1) Circuit Low Voltage / High Voltage
- DTC P0133 / P2A00: O2 Sensor (Bank 1 Sensor-1) Circuit Slow Response / Performance
- DTC P0134: O2 Sensor (Bank 1 Sensor-1) No Activity Detected
- DTC P0137 / P0138: O2 Sensor (Bank 1 Sensor-2) Circuit Low Voltage / High Voltage
- DTC P0139 / P2A01: O2 Sensor (Bank 1 Sensor-2) Circuit Slow Response / Performance
- DTC P0151 / P0152: O2 Sensor (Bank 2 Sensor-1) Circuit Low Voltage / High Voltage
- DTC P0153 / P2A03: O2 Sensor (Bank 2 Sensor-1) Circuit Slow Response / Performance
- DTC P0154: O2 Sensor (Bank 2 Sensor-1) No Activity Detected
- DTC P0157 / P0158: O2 Sensor (Bank 2 Sensor-2) Circuit Low Voltage / High Voltage
- DTC P0159 / P2A04: O2 Sensor (Bank 2 Sensor-2) Circuit Slow Response / Performance
- DTC P0171 / P0174: System Too Lean
- DTC P0172 / P0175: System Too Rich
- DTC P0300 / P0301 / P0302 / P0303 / P0304 / P0305 / P0306: Misfire Detected
- DTC P0327 / P0328: Knock Sensor Circuit Low / High
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0401 / P0402: Exhaust Gas Recirculation Flow Insufficient Detected / Excessive Detected
- DTC P0403: Exhaust Gas Recirculation Control Circuit
- DTC P0420: Catalyst System Efficiency below Threshold (Bank 1)
- DTC P0430: Catalyst System Efficiency below Threshold (Bank 2)
- DTC P0441: Evaporative Emission System Incorrect Purge Flow
- DTC P0443: Evaporative Emission System Purge Control Valve Circuit
- DTC P0449: Evaporative Emission System Vent Valve / Solenoid Circuit
- DTC P0456: Evaporative Emission System Leak Detected
- DTC P0461: Fuel Level Sensor Circuit Performance
- DTC P0462 / P0463: Fuel Level Sensor Circuit Low / High
- DTC P0500: Vehicle Speed Sensor
- DTC P0506 / P0507: Idle Air Control System RPM Lower than Expected / Higher than Expected
- DTC P0601 / P0602 / P0607: Internal Control Module Memory Check Sum Error / Control Module Programming Error / Control Module Performance
- DTC P0616: Starter Relay Circuit Low
- DTC P0617: Starter Relay Circuit High
- DTC P0630: VIN Not Programmed or Incompatible-ECM/PCM
- DTC P0660: Intake Manifold Tuning Valve Control Circuit / Open
- DTC P1107 / P1108: Manifold Absolute Pressure Circuit Performance Low / High
- DTC P1420/P1421: Evaporative Emission System Vent Valve Stuck Open/Closed
- DTC P1422: Evaporative Emission System Leak Detect Pump Stuck OFF
- DTC P1424/P1425: Evaporative Emission System Leak Detecting Pump Flow High/Low
- DTC P1510: ECM Back-Up Power Circuit Low
- DTC P1603: CAN Communication Data Error
- DTC P2096 / P2097: Post Catalyst Fuel Trim System Too Lean/Too Rich (Bank 1 Sensor-2)
- DTC P2098 / P2099: Post Catalyst Fuel Trim System Too Lean/Too Rich (Bank 2 Sensor-2)
- DTC P2227: Barometric Pressure Circuit Performance
- DTC P2228 / P2229: Barometric Pressure Circuit Low / High
- DTC P2400: Evaporative Emission System Leak Detection Pump Control Circuit / Open
- DTC P2504: Charging System Voltage High
- DTC U0001: High Speed CAN Communication Bus
- Inspection of ECM and Its Circuits
- Fuel Pump Circuit Inspection
- Fuel Injector Circuit Inspection
- Fuel Pressure Control System Inspection
- Idle Air Control (IAC) System Inspection
- Idle Speed / Idle Air Control (IAC) Duty Inspection
- A/C Signal Circuit Check
- A/C Condenser Fan Motor Relay Low Speed Control System Check
- A/C Condenser Fan Motor Relay High-Speed Control System Check
- A/C Compressor Relay Control System Check
- Engine and Emission Control System Check
- Special Tools and Equipment