Section 42 (Engine Controls - Self-Diagnostics)
WARNING: This page is about a different car, the 2003 Isuzu Axiom. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Notes
- On-Board Diagnostics
- Retrieving Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Verifying Vehicle Repair
- On-Board Diagnostic II System Check
- Electric Throttle Control System Check
- Exhaust Gas RECIRCULATION System Check
- Miscellaneous Tests
- Multiple Powertrain Control Module Information Sensor Diagnostic Trouble Codes Set
- Powertrain Control Module Location
- Programming
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0101: Mass Airflow Sensor System Performance
- DTC P0102: Mass Airflow Sensor Circuit - Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit - High Frequency
- DTC P0106: Manifold Absolute Pressure Sensor System Performance
- DTC P0107: Manifold Absolute Pressure Sensor Circuit - Low Input Voltage
- DTC P0108: Manifold Absolute Pressure Sensor - High Input Voltage
- DTC P0112: Intake Air Temperature Sensor - Low Input Voltage
- DTC P0113: Intake Air Temperature Sensor - High Input Voltage
- DTC P0116: Engine Coolant Temperature Sensor - Sensor Stuck
- DTC P0117: Engine Coolant Temperature Sensor - Low Input Voltage
- DTC P0118: Engine Coolant Temperature Sensor - High Input Voltage
- DTC P0125: Engine Coolant Temperature Sensor Excessive Time To Closed Loop Fuel Control
- DTC P0128: Engine Coolant Temperature Below Thermostat Regulating Temperature
- DTC P0131: Heated Oxygen Sensor Bank 1 Sensor 1 - Low Voltage
- DTC P0132: Heated Oxygen Sensor Bank 1 Sensor 1 - High Voltage
- DTC P0133: Heated Oxygen Sensor Bank 1 Sensor 1 - Slow Response
- DTC P0134: Heated Oxygen Sensor Bank 1 Sensor 1 - Insufficient Activity
- DTC P0135: Heated Oxygen Sensor Bank 1 Sensor 1 - Heater Circuit
- DTC P0137: Heated Oxygen Sensor Bank 1 Sensor 2 - Low Voltage
- DTC P0138: Heated Oxygen Sensor Bank 1 Sensor 2 - High Voltage
- DTC P0140: Heated Oxygen Sensor Bank 1 Sensor 2 - Insufficient Activity
- DTC P0141: Heated Oxygen Sensor Bank 1 Sensor 2 - Heater Circuit
- DTC P0151: Heated Oxygen Sensor Bank 2 Sensor 1 - Low Voltage
- DTC P0152: Heated Oxygen Sensor Bank 2 Sensor 1 - High Voltage
- DTC P0153: Heated Oxygen Sensor Bank 2 Sensor 1 - Slow Response
- DTC P0154: Heated Oxygen Sensor Bank 2 Sensor 1 - Insufficient Activity
- DTC P0155: Heated Oxygen Sensor Bank 2 Sensor 1 - Heater Circuit
- DTC P0157: Heated Oxygen Sensor Bank 2 Sensor 2 - Low Voltage - Low Voltage
- DTC P0158: Heated Oxygen Sensor Bank 2 Sensor 2 - High Voltage
- DTC P0160: Heated Oxygen Sensor Bank 2 Sensor 2 - Insufficient Activity
- DTC P0161: Heated Oxygen Sensor Bank 2 Sensor 2 - Heater Circuit
- 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
- DTC P0201-P0206: Fuel Injector Control Circuit Malfunction
- DTC P0300: Engine Misfire Detected
- DTC P0301-P0306: Cylinder No. 1-6 Misfire Detected
- DTC P0325: Ion Sensing Module/Ion Sensing Knock Intensity Circuit Fault
- DTC P0336: 58X Reference Signal Circuit
- DTC P0337: Crankshaft Position Sensor Circuit - Low Frequency
- DTC P0351-P0356: Ignition Control Circuit No. 1-6 Malfunction
- DTC P0401: Exhaust Gas RECIRCULATION Flow Insufficient
- DTC P0402: Exhaust Gas RECIRCULATION Flow Excessive
- DTC P0404: Exhaust Gas RECIRCULATION Range/Performance
- DTC P0405: Exhaust Gas RECIRCULATION Sensor Circuit - Low Voltage
- DTC P0406: Exhaust Gas RECIRCULATION Sensor Circuit - High Voltage
- DTC P0420: Catalyst System Low Efficiency - Bank 1 & DTC P0430: Catalyst System Low Efficiency - Bank 2
- DTC P0440: Evaporative Emissions System
- DTC P0442: Evaporative Emissions System - Small Leak Detected
- DTC P0444: Evaporative Emissions System - Purge Control Circuit Open
- DTC P0445: Evaporative Emissions System - Purge Control Short Circuit
- DTC P0446: Evaporative Emissions System - Vent Control Malfunction
- DTC P0447: Evaporative Emissions System - Vent Valve Circuit Open
- DTC P0448: Evaporative Emissions System - Vent Control Circuit Open
- DTC P0452: Fuel Tank Pressure Sensor - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor - High Voltage
- DTC P0456: Evaporative Emissions System - Very Small Leak Detected
- DTC P0461: Fuel Level Sensor Circuit - Range/Performance Malfunction
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage
- DTC P0463: Fuel Level Sensor Circuit - High Voltage
- DTC P0464: Fuel Level Sensor - Noisy Signal
- DTC P0502: Vehicle Speed Sensor Circuit - Low Input
- DTC P0506: Idle Control System - Rpm Too Low
- DTC P0507: Idle Control System - Rpm Too High
- DTC P0562: System Voltage Low
- DTC P0563: System Voltage High
- DTC P0601: Powertrain Control Module Memory Error
- DTC P0602 & P0604: Powertrain Control Module Programming Error/Ram Error
- DTC P0606: Powertrain Control Module Internal Performance
- DTC P0660: Variable Intake Manifold Solenoid - Open Circuit
- DTC P0662: Variable Intake Manifold Solenoid - Short Circuit
- DTC P1106: Manifold Absolute Pressure Sensor Circuit - Intermittent High Voltage
- DTC P1107: Manifold Absolute Pressure Sensor Circuit - Intermittent Low Voltage
- DTC P1111: Intake Air Temperature Sensor Circuit - Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor Circuit - Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor Circuit - Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor Circuit - Intermittent High Voltage
- DTC P1120: Throttle Position Sensor 1 - Output Abnormal
- DTC P1125: Electric Throttle Control Limit Performance Mode
- DTC P1133: Ho2S Bank 1 Sensor 1 - Insufficient Switching
- DTC P1134: Ho2S Bank 1 Sensor 1 - Transition Switch Time Ratio
- DTC P1153: Ho2S Bank 2 Sensor 1 - Insufficient Switching
- DTC P1154: Ho2S Bank 2 Sensor 1 - Transition Switch Time Ratio
- DTC P1167: Fuel System Rich During DECEL Fuel Cut Off - Bank 1
- DTC P1169: Fuel System Rich During DECEL Fuel Cut Off - Bank 2
- DTC P1171: Fuel System Lean During Acceleration
- DTC P1220: Throttle Position Sensor 2 - Circuit Fault
- DTC P1221: Throttle Position Sensor 1 & Throttle Position Sensor 2 Correlation Error
- DTC P1271: Accelerator Position Sensor 1 & Accelerator Position Sensor 2 Correlation Error
- DTC P1272: Accelerator Position Sensor 2 & Accelerator Position Sensor 3 Correlation Error
- DTC P1273: Accelerator Position Sensor 1 & Accelerator Position Sensor 3 - Correlation Error
- DTC P1275: Accelerator Position Sensor 1 - Circuit Fault
- DTC P1280: Accelerator Position Sensor 2 Circuit Fault
- DTC P1285: Accelerator Position Sensor 3 Circuit Fault
- DTC P1290: Electric Throttle Control Forced Idle Mode
- DTC P1295: Electric Throttle Control Power Management Mode
- DTC P1299: Electric Throttle Control Forced Engine Shutdown Mode
- DTC P1310: Ion Sensing Module Diagnostic
- DTC P1311: Ion Sensing Module - Sec 1 Line Circuit Fault
- DTC P1312: Ion Sensing Module - Sec 2 Line Circuit Fault
- DTC P1326: Ion Sensing Module - Combustion Quality Circuit Fault
- DTC P1340: Ion Sensing Module - Cylinder Synchronization Failure
- DTC P1404: Exhaust Gas RECIRCULATION Range/Performance - Closed/Stuck Valve
- DTC P1441: EVAP Control System - Continuous Open Purge Flow
- DTC P1514: Throttle Position Sensor & Mass Air Flow Sensor Correlation Error
- DTC P1515 & P1516: Command - Actual Throttle Position Sensor Correlation Error
- DTC P1523: Throttle Actuator Control Return Performance Malfunction
- DTC P1625: Powertrain Control Module Unexpected Reset
- DTC P1635: Reference Voltage No. 1 Circuit Fault
- DTC P1636: Powertrain Control Module Ram Stack
- DTC P1639: Reference Voltage No. 2 Circuit Fault
- DTC P1640: Output Driver Module No. 1 Circuit Fault
- DTC P1650: Quad Driver Module "A" Fault
- Wiring Diagrams