Engine Controls - Self-Diagnostics (Qr25DE)
- Introduction
- Self-Diagnostic System
- On-Board Diagnostics
- Diagnostic Trouble Codes
- Freeze Frame Data & 1ST Trip Freeze Frame Data
- Testing Procedure
- Retrieving Diagnostic Trouble Codes
- Using MIL
- Diagnostic Test Mode II (Self Diagnostic Results)
- Diagnostic Test Mode II (Heated Oxygen Sensor 1 Monitor)
- Explanation For Driving Patterns For "Misfire (Exhaust Quality Deterioration)" & "Fuel Injection System"
- Explanation For Driving Patterns EXCEPT For "Misfire (Exhaust Quality Deterioration" & "Fuel Injection System"
- Clearing Diagnostic Trouble Codes
- Fail-Safe Modes
- Notes
- DTCs P0102, P0103 & P1102: MAF Sensor Circuit
- DTCs P0117 & P0118: ECT Sensor Circuit
- DTCs P0122, P0123, P0222, P0223 & P2135: TP Sensor Circuit
- DTCs P2122, P2123, P2127, P2128 & P2138: APP Sensor Circuit
- DTCs P1121: Electric Throttle Control Actuator Circuit
- DTC P1122: Electric Throttle Control Function Circuit
- DTCs P1124 & P1126: Throttle Control Motor Relay Circuit
- DTC P1128: Throttle Control Motor Circuit
- DTC P1229: Sensor Power Supply Circuit
- Malfunction Indicator Lamp
- Programming
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- Diagnostic Tests
- Notes
- DTC P0011: Intake Valve Timing (IVT) Control Performance Problem
- DTC P0031: Ho2S1 Heater Circuit Low Input & P0032: Ho2S1 Heater Circuit High Input
- DTC P0037: Ho2S2 Heater Circuit Low Input & P0038: Ho2S2 Heater Circuit High Input
- DTC P0101: MAF Sensor Circuit Range/Performance Problem
- DTC P0102: MAF Sensor Circuit Low Input & DTC P0103: MAF Sensor Circuit High Input
- DTC P0112: Intake Air Temperature Sensor Circuit Low Input & DTC P0113: Intake Air Temperature Sensor Circuit High Input
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input & DTC P0118: Engine Coolant Temperature Sensor Circuit High Input
- DTC P0122: Throttle Position Sensor 2 Circuit Low Input & DTC P0123: Throttle Position Sensor 2 Circuit High Input
- DTC P0125: Insufficient Engine Coolant Temperature For Closed Loop Fuel Control
- DTC P0127: Intake Air Temperature Too High
- DTC P0128: Thermostat Function
- DTC P0132: Front Heated Oxygen Sensor Circuit High Voltage
- DTC P0133: Front Heated Oxygen Sensor Circuit Slow Response
- DTC P0134: Front Heated Oxygen Sensor Circuit No Activity Detected
- DTC P0138: Rear Heated Oxygen Sensor Circuit High Voltage
- DTC P0139: Rear Heated Oxygen Sensor Circuit Slow Response
- DTC P0171: Fuel Injection System Too Lean
- DTC P0172: Fuel Injection System Too Rich
- DTC P0181: Fuel Tank Temperature Sensor Circuit Range/Performance Problem
- DTC P0182: Fuel Tank Temperature Sensor Circuit Low Input & DTC P0183: Fuel Tank Temperature Sensor Circuit High Input
- DTC P0217: Coolant Over Temperature Condition
- DTC P0222: Throttle Position Sensor 1 Circuit Low Input & DTC P0223: Throttle Position Sensor 1 Circuit High Input
- DTC P0300, DTC P0301, DTC P0302, DTC P0303 Or DTC P0304
- DTC P0327: Knock Sensor Circuit Low Input & DTC P0328: Knock Sensor Circuit High Input
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0420: 3-Way 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: EVAP Canister Purge Volume Control Solenoid Valve Circuit Open & DTC P0445: EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
- 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 Large Leak Detected
- DTC P0456: EVAP Emission Control System Very Small Leak Detected (Negative Pressure Check)
- DTC P0460: Fuel Level Sensor Circuit Noise
- DTC P0461: Fuel Level Sensor Circuit Range/Performance Problem
- DTC P0462: Fuel Level Sensor Circuit Low Input Or DTC P0463: Fuel Level Sensor Circuit High Input
- DTC P0500: Vehicle Speed Sensor (VSS)
- DTC P0506: Idle Speed Control System Rpm Lower Than Expected
- DTC P0507: Idle Speed Control System Rpm Higher Than Expected
- DTC P0605: ECM
- DTC P0650: Malfunction Indicator Light (Mil) Control Circuit
- DTC P1065: ECM Power Supply Circuit
- DTC P1102: Mass Airflow (MAF) Sensor
- DTC P1111: Intake Vale Timing (IVT) Control Solenoid Valve Circuit
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Performance Problem
- DTC P1124: Throttle Control Motor Relay Circuit Shorted & DTC P1126: Throttle Control Motor Relay Circuit Open
- DTC P1128: Throttle Control Motor Circuit Short
- DTC P1143: Front Heated Oxygen Sensor Lean Shift Monitoring
- DTC P1144: Front Heated Oxygen Sensor Rich Shift Monitoring
- DTC P1146: Rear Heated Oxygen Sensor Minimum Voltage Monitoring
- DTC P1147: Rear Heated Oxygen Sensor Maximum Voltage Monitoring
- DTC P1148: Closed Loop Control Function
- DTC P1217: Engine Over Temperature
- DTC P1225: Closed Throttle Position Learning Performance Problem
- DTC P1226: Closed Throttle Position Learning Performance Problem
- DTC P1229: Sensor Power Supply Circuit Short
- DTC P1444: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P1446: EVAP Canister Vent Control Valve Closed
- DTC P1448: EVAP Canister Vent Control Valve Open
- DTC P1456: EVAP Control System Very Small Leak (Positive Pressure Check)
- DTC P1464: Fuel Level Sensor Circuit (Ground Signal)
- DTC P1490: Vacuum Cut Valve By-Pass Valve Circuit
- DTC P1491: Vacuum Cut Valve By-Pass Valve
- DTC P1564: Automatic Speed Control Device (ASCD) Steering Switch
- DTC P1572: Automatic Speed Control Device (ASCD) Brake Switch
- DTC P1574: Automatic Speed Control Device (ASCD) Vehicle Speed Sensor
- DTC P1706: Park/Neutral Position (PNP) Switch
- DTC P1805: Brake Switch Circuit
- DTC P2122: Accelerator Pedal Position (App) Sensor 1 Circuit Low Input & DTC P2123: Accelerator Pedal Position (App) Sensor 1 Circuit High Input
- DTC P2127: Accelerator Pedal Position (App) Sensor 2 Circuit Low Input & DTC P2128: Accelerator Pedal Position (App) Sensor 2 Circuit High Input
- DTC P2135: Throttle Position (TP) Sensor Circuit Range/Performance Problem
- DTC P2138: Accelerator Pedal Position (App) Sensor Circuit Range/Performance Problem
- DTC U1000: Can Communication Line & DTC U1001: Can Communication Line