Engine Controls - Self Diagnostics
- Introduction
- Self-Diagnostic System
- Drive Cycles
- Diagnostic Trouble Code Identification
- Connector Identification
- Self-Diagnostic Tests
- Notes
- DTCS P0101 MAF Sensor Range/Performance, P0102: MAF Sensor Input Low & P0103: MAF Sensor Input High
- DTC P0111: IAT Range/Performance
- DTC P0112: IAT Sensor Input Low
- DTCS P0113: IAT Sensor Input High
- DTC P0116: ECT Sensor Range/Performance
- DTC P0117: ECT Sensor Input Low
- DTC P0118: ECT Sensor Input High
- DTC P0121: Throttle Position Sensor Range/Performance
- DTC P0122: Throttle Position Sensor Input Low
- DTC P0123: Throttle Position Sensor Input High
- DTC P0125: Excess Time To Enter Closed Loop Fuel Control
- DTC P0131: Ho2S 3 Circuit Voltage Low
- DTC P0132: Ho2S 3 Circuit Voltage High
- DTC P0133: Ho2S 3 Slow Response
- DTC P0137: Ho2S 1 Circuit Voltage Low
- DTC P0138: Ho2S 1 Circuit Voltage High
- DTC P0139: Ho2S 1 Slow Response
- DTC P0151: Ho2S 4 Circuit Voltage Low
- DTC P0152: Ho2S 4 Circuit Voltage High
- DTC P0153: Ho2S 4 Slow Response
- DTC P0157: Ho2S 2 Circuit Voltage Low
- DTC P0158: Ho2S 2 Circuit Voltage High
- DTC P0159: Ho2S 2 Slow Response
- DTC P0171: Adaptive Fuel System Too Lean
- DTC P0172: Adaptive Fuel System Too Rich
- DTC P0174: Adaptive Fuel System Too Lean
- DTC P0175: Adaptive Fuel System Too Rich
- DTC P0201 & P1201: No. 1 Fuel Injector/Circuit Malfunction
- DTC P0202 & P1202: No. 2 Fuel Injector Circuit Malfunction
- DTC P0203 & P1203: No. 3 Fuel Injector Circuit Malfunction
- DTC P0204 & P1204: No. 4 Fuel Injector Circuit Malfunction
- DTC P0205 & P1205: No. 5 Fuel Injector Circuit Malfunction
- DTC P0206 & P1206: No. 6 Fuel Injector Circuit Malfunction
- DTC P0300: Random Misfire Detected
- DTCS P0301-P0306: Misfire Cylinder Detected
- DTC P0326: Front Knock Sensor "A" (KS1) CKT Range/Performance
- DTC P0327: Front Knock Sensor "A" (KS1) Low Input
- DTC P0328: Front Knock Sensor "A" (KS1) High Input
- DTC P0331: Rear Knock Sens "B" (KS2) CKT Range/Performance
- DTC P0332: Rear Knock Sensor "B" (KS2) Low Input
- DTC P0333: Rear Knock Sensor "B" (KS2) High Input
- DTC P0335: CKP Sensor Circuit Malfunction
- DTC P0336: CKP Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0400: EGR Function Or Flow Malfunction
- DTC P0411: Air Injection System Insufficient Air Flow
- DTC P0413: Air Injection System Switching Valve Malfunction (XJS & XJ6)
- DTC P0414: Air Injection System Switching Valve Malfunction
- DTC P0420 & DTC P0430: Right/Left Catalyst System Efficiency Low
- DTC P0441: EVAP Control System Incorrect Purge Flow
- DTC P0442: EVAP Control System Leak Detected
- DTC P0443: EVAP Control System Purge Valve Malfunction
- DTC P0446: EVAP Control System Vent Control Malfunction
- DTC P0452: EVAP System Pressure Sensor Input Low
- DTC P0453: EVAP System Pressure Sensor Malfunction
- DTC P0460: Fuel Sensor Circuit Malfunction
- DTC P0461: Fuel Sensor Signal Performance
- DTC P0500: VSS Circuit Malfunction (XJS)
- DTC P0506: Idle Speed Control Rpm Low
- DTC P0507: Idle Speed Control Rpm High
- DTC P0508: IAC Open Circuit
- DTC P0509: IAC Short Circuit
- DTC P0605: Internal Pcm ROM Test Error
- DTC P1137 Or P1157: Downstream Ho2S 1 Or 2 Indicates Lean
- DTC P1138 Or P1158: Downstream Ho2S 1 Or 2 Indicates Rich
- DTC P1171: Adaptive Fuel Lean
- DTC P1172: Adaptive Fuel Rich
- DTC P1176: Fuel Mass Flow Rate Lean
- DTC P1177: Fuel Mass Flow Rate Rich
- DTC P1178: Air Mass Flow Rate Lean
- DTC P1179: Air Mass Flow Rate Rich
- DTC P1185: Heated Oxygen Sensor (Ho2S) 3 Or 4 Heater Fault
- DTC P1186: Heated Oxygen Sensor (Ho2S) 3 Or 4 Heater Fault
- DTC P1187: Heated Oxygen Sensor (Ho2S) 3 Or 4 Heater Fault
- DTC P1188: Heated Oxygen Sensor (Ho2S) 3 Or 4 Heater Fault
- DTC P1189: Heated Oxygen Sensor (Ho2S) 3 Or 4 Heater Fault
- DTC P1190: Heated Oxygen Sensor (Ho2S) 3 Or 4 Heater Fault
- DTC P1191: Heated Oxygen Sensor (Ho2S) 1 Or 2 Heater Fault
- DTC P1192: Heated Oxygen Sensor (Ho2S) 1 Or 2 Heater Fault
- DTC P1193: Heated Oxygen Sensor (Ho2S) 1 Or 2 Heater Fault
- DTC P1194: Heated Oxygen Sensor (Ho2S) 1 Or 2 Heater Fault
- DTC P1195: Heated Oxygen Sensor (Ho2S) 1 Or 2 Heater Fault
- DTC P1196: Heated Oxygen Sensor (Ho2S) 1 Or 2 Heater Fault
- DTC P1199: Fuel Level Sensor Circuit Malfunction
- DTC P1313 & DTC P1314: Misfire Detected, Catalyst Damage
- DTC P1315: Persistent Misfire
- DTC P1316: Misfire Rate Above Limit
- DTC P1361: No Activation Of Cylinder No. 1 Ignition Coil
- DTC P1362: No Activation Of Cylinder No. 2 Ignition Coil
- DTC P1363: No Activation Of Cylinder No. 3 Ignition Coil
- DTC P1364: No Activation Of Cylinder No. 4 Ignition Coil
- DTC P1365: No Activation Of Cylinder No. 5 Ignition Coil
- DTC P1366: No Activation Of Cylinder No. 6 Ignition Coil
- DTC P1371: Early Activation Of Cylinder No. 1 Ignition Coil
- DTC P1372: Early Activation Of Cylinder No. 2 Ignition Coil
- DTC P1373: Early Activation Of Cylinder No. 3 Ignition Coil
- DTC P1374: Early Activation Of Cylinder No. 4 Ignition Coil
- DTC P1375: Early Activation Of Cylinder No. 5 Ignition Coil
- DTC P1376: Early Activation Of Cylinder No. 6 Ignition Coil
- DTC P1400: EGR Valve Position Control
- DTC P1401: EGR Valve Position Circuit
- DTC P1408: EGR Function Sensor
- DTC P1409: EGR Valve Circuit
- DTC P1440: EVAP Purge Valve Open
- DTC P1447: Canister Close Valve - Low Flow
- DTC P1448: Enhanced EVAP System Performance Fault 2 (Vacuum Test Okay, But No Feedback Change)
- DTC P1496: Enhanced EVAP System Performance Fault 1 (Vacuum Test Failed, And No Feedback Change)
- DTC P1508: Idle Speed Control (ISC) Circuit
- DTC P1509: Idle Speed Control (ISC) Circuit
- DTC P1514: PNP Switch High Load (XJS)
- DTC P1516: PNP Switch Gear Change (XJS)
- DTC P1517: Engine Cranking Neutral/Drive Malfunction (XJS)
- DTC P1607: Mil Output Circuit
- DTC P1776 & DTC P1777: IGN Retard Request Duration Or CKT
- Summary
- Wiring Diagrams