Engine Controls - Self-Diagnostics (QG18DE)
- Introduction
- Self-Diagnostic System
- On-Board Diagnostics
- Testing Procedure
- Retrieving Diagnostic Trouble Codes (Mil Light)
- Retrieving Diagnostic Trouble Codes (Consult-II)
- Retrieving Diagnostic Trouble Codes (Generic Scan Tool)
- Clearing Diagnostic Trouble Codes
- Fail-Safe Modes
- Notes
- DTC P0102, P0103 & P1102: MAF Sensor
- DTC P0117 & DTC P0118: ECT Sensor
- DTC P0122, P0123, P0222, P0223 & P2135: TP Sensor
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Function
- DTC P1124 & P1126: Throttle Control Motor Relay
- DTC P1128: Throttle Control Motor
- DTC P1229: Sensor Power Supply
- DTC P2122, P2123, P2127, P2128 & P2138: Electronic Throttle Control Actuator
- System Readiness Test
- ECM Location
- Programming
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- Diagnostic Tests
- DTC P0011: Intake Valve Timing Control Performance
- DTC P0031 Or P0032 (ULEV)
- DTC P0037 Or P0038
- DTC P0101: MAF Sensor Circuit Range/Performance Problem
- DTC P0102 Or P0103
- DTC P0112 Or P0113
- DTC P0117 Or P0118
- DTC P0122 Or P0123
- DTC P0125: Insufficient Engine Coolant Temperature For Closed Loop Fuel Control
- DTC P0127: Intake Air Temperature Too High
- DTC P0128: Thermostat Function
- DTC P0132: Ho2S1 Circuit High Voltage
- DTC P0133: Ho2S1 Circuit Slow Response (ULEV)
- DTC P0134: Ho2S1 Circuit No Activity Detected (ULEV)
- DTC P0138: Ho2S2 Circuit High Voltage
- DTC P0139: Ho2S2 Circuit Slow Response
- DTC P0171: Fuel Injection System Too Lean
- DTC P0172: Fuel Injection System Too Rich
- DTC P0181, P0182 Or P0183
- DTC P0222 Or P0223
- DTC P0300, P0301, P0302, P0303 Or P0304
- DTC P0327 Or P0328
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold
- DTC P0441: EVAP Control System Incorrect Purge Flow
- DTC P0442: EVAP Control System Small Leak Detected (Negative Pressure)
- DTC P0444 Or P0445
- DTC P0447: EVAP Canister Vent Control Valve Circuit Open
- DTC P0452: EVAP Control System Pressure Sensor Low Input
- DTC P0453: EVAP Control System Pressure Sensor High Input
- DTC P0455: EVAP Control System Gross Leak Detected
- DTC P0456 : EVAP Control System Very Small Leak (Negative Pressure Check)
- DTC P0460: Fuel Level Sensor Circuit Noise
- DTC P0461: Fuel Level Sensor Circuit Range/Performance
- DTC P0462 Or P0463
- DTC P0500: Vehicle Speed Sensor
- DTC P0506 Or P0507
- DTC P0550: Power Steering Pressure Sensor Circuit
- DTC P0605: Engine Control Module
- DTC P1031 Or P1032: A/F Sensor Heater (SULEV)
- DTC P1065: ECM Power Supply
- DTC P1102: Mass Airflow Sensor Circuit Range/Performance Problem
- DTC P1111: IVT Control Solenoid Valve
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Function
- DTC P1124 Or P1126
- DTC P1128: Throttle Control Motor
- DTC P1132: Swirl Control Valve Circuit (SULEV)
- DTC P1137: Swirl Control Valve Control Position Sensor (SULEV)
- DTC P1138: Swirl Control Valve Control System Performance (SULEV)
- DTC P1143: Ho2S1 Lean Shift Monitoring - Bank 1 (ULEV)
- DTC P1144: Ho2S1 Rich Shift Monitoring - Bank 1 (ULEV)
- DTC P1146: Ho2S2 Minimum Voltage Monitoring - Bank 1
- DTC P1147: Ho2S2 Maximum Voltage Monitoring
- DTC P1148: Closed Loop Control - Bank 1
- DTC P1217: Engine Over Temperature
- DTC P1225: Closed Throttle Position Learning Value Is Excessively Low
- DTC P1226: Closed Throttle Position Learning Is Not Performed Successfully, Repeatedly
- DTC P1229: Sensor Power Supply Circuit Short
- DTC P1271: A/F Sensor (SULEV)
- DTC P1272: A/F Sensor (SULEV)
- DTC P1273: A/F Sensor (SULEV)
- DTC P1274: A/F Sensor (SULEV)
- DTC P1276: A/F Sensor (SULEV)
- DTC P1278: A/F Sensor (SULEV)
- DTC P1279: A/F Sensor (SULEV)
- DTC P1444: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P1446: EVAP Canister Vent Control Valve Closed
- DTC P1564: ASCD Steering Switch
- DTC P1572: ASCD Brake Switch
- DTC 1574: ASCD Vehicle Speed Sensor
- DTC P1706: Park/Neutral Position Switch
- DTC P1805: Brake Switch
- DTC P2122 Or P2123
- DTC P2127 Or P2128
- DTC P2135: Throttle Position Sensor Circuit Range/Performance Problem
- DTC P2138: Accelerator Pedal Position Sensor Circuit Range/Performance Problem
- DTC U1000 Or U1001 Can Communication Line