Engine Controls - Self-Diagnostics - 2.0L
- Introduction
- Self-Diagnostic System
- Test Equipment
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0031: Front Ho2S Heater Circuit Low
- DTC P0032: Front Ho2S Heater Circuit High
- DTC P0037: Rear Ho2S Heater Circuit Low
- DTC P0038: Rear Ho2S Heater Circuit High
- DTC P0102: Mass Airflow (MAF) Sensor Circuit, Low Input
- DTC P0103: Mass Airflow (MAF) Sensor Circuit, High Input
- DTC P0106: BARO Circuit, Performance Problem
- DTC P0107: BARO Circuit , Low Input
- DTC P0108: BARO Circuit, High Input
- DTC P0111: Intake Air Temperature (IAT) Sensor Circuit, Performance Problem
- DTC P0112: Intake Air Temperature (IAT) Sensor Circuit, Low Input
- DTC P0113: Intake Air Temperature (IAT) Sensor Circuit, High Input
- DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit, Low Input
- DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit, High Input
- DTC P0122: Throttle Position (TP) Sensor Circuit, Low Input
- DTC P0123: Throttle Position (TP) Sensor Circuit, High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0126: Coolant Thermostat Stuck Open
- DTC P0128: Coolant Thermostat Stuck Open
- DTC P0130: Front Ho2S Circuit Malfunction
- DTC P0134: Front Ho2S Circuit, No Activity Detected
- DTC P0138: Rear Ho2S Circuit, High Input
- DTC P0140: Rear Ho2S Circuit, No Activity Detected
- DTC P0171: Fuel Trim Too Lean
- DTC P0172: Fuel Trim Too Rich
- DTC P0300: Random Misfire Detected
- DTC P0301-P0304: Cylinders No. 1-4 Misfire Detected
- DTC P0325: Knock Sensor Circuit Malfunction
- DTC P0335: Crankshaft Position (CKP) Sensor Circuit Malfunction
- DTC P0401: EGR System, Insufficient Flow
- DTC P0402: EGR System, Excessive Flow
- DTC P0421: Catalyst System Efficiency Below Threshold
- DTC P0442: EVAP Control System, Small Leak Detected
- DTC P0443: EVAP Control System Purge Control Valve, Circuit Malfunction
- DTC P0451: Fuel Tank Pressure Sensor, Performance Problem
- DTC P0452: EVAP Control System Pressure Sensor, Low Input
- DTC P0453: EVAP Control System Pressure Sensor, High Input
- DTC P0455: EVAP Control System Malfunction, Excessive Leak Detected
- DTC P0461: Fuel Gauge Sending Unit Circuit, Range/Performance Problem
- DTC P0462: Fuel Gauge Sending Unit Circuit, Low Input
- DTC P0463: Fuel Gauge Sending Unit Circuit, High Input
- DTC P0464: Fuel Gauge Sending Unit Circuit, Slosh Check
- DTC P0480: Cooling Fan Relay Circuit
- DTC P0500: Vehicle Speed Sensor Malfunction
- DTC P0506: Idle Control System, Rpm Less Than Expected
- DTC P0507: Idle Control System, Rpm Greater Than Expected
- DTC P0550: Power Steering Pressure Switch Circuit Malfunction
- DTC P0660: VICS Solenoid Valve Circuit Malfunction
- DTC P0703: Brake Switch Input Circuit Malfunction
- DTC P0704: Clutch Switch Input Circuit Malfunction
- DTC P0705: Neutral Switch Input Circuit Malfunction
- DTC P1102: Mass Airflow (MAF) Sensor Inconsistent With Throttle Position Sensor, Less Than Expected
- DTC P1103: Mass Airflow (MAF) Sensor Inconsistent With Rpm, Greater Than Expected
- DTC P1122: Throttle Position Stuck Closed, Low Input
- DTC P1123: Throttle Position Stuck Open, High Input
- DTC P1170: Front Ho2S, No Inversion
- DTC P1250: Pressure Regulator Control (PRC) Solenoid Valve Malfunction
- DTC P1345: Camshaft Position (CMP) Sensor Circuit Malfunction
- DTC P1449: Canister Drain Cut Valve (CDCV), Open Or Short
- DTC P1450: EVAP Control System Malfunction, Excessive Vacuum
- DTC P1487: EGR Boost Sensor Solenoid Valve Circuit Malfunction
- DTC P1496: EGR Valve Solenoid Coil No. 1, Open Or Short
- DTC P1497: EGR Valve Solenoid Coil No. 2, Open Or Short
- DTC P1498: EGR Valve Solenoid Coil No. 3, Open Or Short
- DTC P1499: EGR Valve Solenoid Coil No. 4, Open Or Short
- DTC P1504: Idle Air Control (IAC) Valve Circuit Malfunction
- DTC P1512: Variable Tumble Control System (VTCS), Stuck Closed
- DTC P1562: Pcm +BB Voltage Low
- DTC P1569: Variable Tumble Control System (VTCS) Solenoid Valve Circuit, Low Input
- DTC P1570: Variable Tumble Control System (VTCS) Solenoid Valve Circuit, High Input
- DTC P1631: Generator Output Voltage Signal, No Electricity
- DTC P1632: Battery Voltage Circuit Malfunction
- DTC P1633: Battery Overcharge
- DTC P1634: Generator Terminal "B" Circuit Open
- Reference Voltage Test