Section 12 (Engine Controls - Self-Diagnostics)
WARNING: This page is about a different car, the 2002 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Notes
- On-Board Diagnostics
- Comprehensive Component Monitor Diagnostic Operation
- System Status & Drive Cycle For Satisfying Federal Inspection/Maintenance (I/M 240) Regulations
- Common OBD-II Terms
- Diagnostic Executive
- Preliminary Check
- Data Link Connector Location
- Retrieving Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Verifying Vehicle Repair
- Serial Data Communications
- On-Board Diagnostic II System Check
- Electric Throttle Control System Check
- Miscellaneous Tests
- Multiple Powertrain Control Module Information Sensor Diagnostic Trouble Codes Set
- Malfunction Indicator Lights
- Powertrain Control Module
- Summary
- Diagnostic Trouble Code Definitions
- 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 Circuit - High Input Voltage
- DTC P0117: Engine Coolant Temperature Sensor - Low 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 Sensor Below Thermostat Regulating Temperature
- DTC P0131: Bank 1 Heated Oxygen Sensor No. 1 - Low Voltage
- DTC P0132: Bank 1 Heated Oxygen Sensor No. 1 - High Voltage
- DTC P0133: Bank 1 Heated Oxygen Sensor No. 1 - Slow Response
- DTC P0134: Bank 1 Heated Oxygen Sensor No. 1 - No Activity
- DTC P0135: Bank 1 Heated Oxygen Sensor No. 1 - Heater Circuit
- DTC P0137: Bank 1 Heated Oxygen Sensor No. 2 - Low Voltage
- DTC P0138: Bank 1 Heated Oxygen Sensor No. 2 - High Voltage
- DTC P0140: Bank 1 Heated Oxygen Sensor No. 2 - No Activity
- DTC P0141: Bank 1 Heated Oxygen Sensor No. 2 - Heater Circuit
- DTC P0151: Bank 2 Heated Oxygen Sensor No. 1 - Low Voltage
- DTC P0152: Bank 2 Heated Oxygen Sensor No. 1 - High Voltage
- DTC P0153: Bank 2 Heated Oxygen Sensor No. 1 - Slow Response
- DTC P0154: Bank 2 Heated Oxygen Sensor No. 1 - Insufficient Activity
- DTC P0155: Bank 2 Heated Oxygen Sensor No. 1 - Heater Circuit
- DTC P0157: Bank 2 Heated Oxygen Sensor No. 2 - Low Voltage
- DTC P0158: Bank 2 Heated Oxygen Sensor No. 2 - High Voltage
- DTC P0160: Bank 2 Heated Oxygen Sensor No. 2 - Insufficient Activity
- DTC P0161: Bank 2 Heated Oxygen Sensor No. 2 - Heater Circuit
- DTC P0171: Bank 1 Fuel Trim System Lean
- DTC P0172: Bank 1 Fuel Trim System Rich
- DTC P0174: Bank 2 Fuel Trim System Lean
- DTC P0175: Bank 2 Fuel Trim System Rich
- DTC P0201: Injector No. 1 Control Circuit Malfunction, DTC P0202: Injector No. 2 Control Circuit Malfunction, DTC P0203: Injector No. 3 Control Circuit Malfunction, DTC P0204: Injector No. 4 Control Circuit Malfunction, DTC P0205: Injector No. 5 Control Circuit Malfunction &/Or DTC P0206: Injector No. 6 Control Circuit Malfunction
- DTC P0300: Engine Misfire Detected
- DTC P0301: Cylinder No. 1 Misfire Detected, DTC P0302: Cylinder No. 2 Misfire Detected, DTC P0303: Cylinder No. 3 Misfire Detected, DTC P0304: Cylinder No. 4 Misfire Detected, DTC P0305: Cylinder No. 5 Misfire Detected &/Or DTC P0306: Cylinder No. 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 P0341: Camshaft Position Sensor Circuit Performance
- DTC P0342: Camshaft Position Sensor - Circuit Low
- DTC P0351: Ignition 1 Control Circuit Malfunction, DTC P0352: Ignition 2 Control Circuit Malfunction, DTC P0353: Ignition 3 Control Circuit Malfunction, DTC P0354: Ignition 4 Control Circuit Malfunction, DTC P0355: Ignition 5 Control Circuit Malfunction &/Or DTC P0356: Ignition 6 Control Circuit Malfunction
- DTC P0401: Exhaust Gas RECIRCULATION Flow Insufficient
- DTC P0402: Exhaust Gas RECIRCULATION Pintle Crank Error
- DTC P0404: Exhaust Gas RECIRCULATION Range/Performance Open Valve
- DTC P0405: Exhaust Gas RECIRCULATION Sensor - Low Voltage
- DTC P0406: Exhaust Gas RECIRCULATION Sensor - High Voltage
- DTC P0420: Low Catalyst Efficiency Bank 1 Or DTC P0430: Low Catalyst 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 - Canister Vent (Cut) 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: EVAP Control System Very Small Leak Detected
- DTC P0461: Fuel Level Sensor - 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 - Low Rpm
- DTC P0507: Idle Control System - High Rpm
- DTC P0562: System Voltage Low
- DTC P0563: System Voltage High
- DTC P0565: Cruise Main Switch Circuit Error
- DTC P0566: Cruise Cancel Switch Error
- DTC P0567: Cruise Resume Switch Error
- DTC P0568: Cruise Set Switch Error
- DTC P0571: No Brake Switch Signal
- DTC P0601: Powertrain Control Module Memory Error
- DTC P0602: Powertrain Control Module Programming Error Or DTC P0604: Powertrain Control Module 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 - Circuit Malfunction
- DTC P1125: Electric Throttle Control Limit Performance Mode
- DTC P1133: Bank 1 Ho2S No. 1 Circuit - Insufficient Switching
- DTC P1134: Bank 1 Ho2S No. 1 Circuit - Transition Time Ratio
- DTC P1153: Bank 2 Ho2S No. 1 Circuit - Insufficient Switching
- DTC P1154: Bank 2 Ho2S No. 1 Circuit - Transition 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 Malfunction
- DTC P1280: Accelerator Position Sensor 2 - Circuit Malfunction
- DTC P1285: Accelerator Position Sensor 3 - Circuit Malfunction
- 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 Id Fault - Cylinder Synchronization Failure
- DTC P1404: Exhaust Gas RECIRCULATION Range/Performance Stuck Valve
- DTC P1441: Evaporative System Flow During Non-Purge
- DTC P1514: Throttle Position Sensor & Mass Air Flow Sensor - Correlation Error
- DTC P1515: Command - Actual Throttle Position Sensor Correlation Error &/Or DTC P1516: Command - Actual Throttle Position Sensor Correlation Error
- DTC P1523: Throttle Actuator Control Return Performance Malfunction
- DTC P1574: Brake Switch No Operation
- 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 P1646: Reference Voltage No. 3 Circuit Fault
- DTC P1650: Quad Driver Module "A" Fault