Engine Control System Self-Diagnostics
- Model Identification
- Introduction
- Self-Diagnostic System
- Programming
- Inspection/Maintenance Procedures
- Summary
- Diagnostic Trouble Code Definitions
- System Tests
- Diagnostic Tests
- Notes
- DTC P0101: MAF Airflow Sensor Performance
- DTC P0102: MAF Sensor Circuit - Low Frequency
- DTC P0103: MAF Sensor Circuit - High Frequency (2.0L)
- DTC P0103: MAF Sensor Circuit - High Frequency (2.5L)
- DTC P0111: IAT Sensor Performance
- DTC P0112: IAT Sensor Circuit - Low Voltage
- DTC P0113: IAT Sensor Circuit - High Voltage
- DTC P0116: ECT Sensor Circuit Performance
- DTC P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0121: Throttle Position Sensor Performance
- DTC P0122: Throttle Position Sensor Circuit - Low Voltage
- DTC P0123: Throttle Position Sensor Circuit - High Voltage
- DTC P0125: ECT Excessive Time To Enter Closed Loop
- DTC P0131: Ho2S No. 1 Circuit - Low Voltage (2.0L)
- DTC P0131 Or P0151: Ho2S No. 1, Bank 1 Circuit - Low Voltage (2.5L)
- DTC P0132: Ho2S No. 1 Circuit - High Voltage (2.0L)
- DTC P0132 Or P0152: Ho2S No. 1, Bank 1 Circuit - High Voltage (2.5L)
- DTC P0133: Ho2S No. 1 Slow Response (2.0L)
- DTC P0133 Or P0153: Ho2S No. 1, Bank 1 Slow Response (2.5L)
- DTC P0134: Ho2S No. 1 Circuit Insufficient Activity (2.0L)
- DTC P0134 Or P0154: Ho2S No. 1, Bank 1 Circuit Insufficient Activity (2.5L)
- DTC P0135: Ho2S No. 1 Heater Circuit (2.0L)
- DTC P0135 Or P0155: Ho2S No. 1, Bank 1 Heater Circuit (2.5L)
- DTC P0136: Ho2S No. 2 Circuit (2.0L)
- DTC P0136 Or P0156: Ho2S No. 2, Bank 1 Circuit (2.5L)
- DTC P0141: Ho2S No. 2 Heater Performance (2.0L)
- DTC P0141: Ho2S No. 2, Bank 1 Heater Performance (2.5L)
- DTC P0161: Ho2S No. 2, Bank 2 Heater Performance (2.5L)
- DTC P0171: Lean Fuel Trim System (2.0L)
- DTC P0171: Lean Fuel Trim System (2.5L)
- DTC P0172: Rich Fuel Trim System
- DTC P0174: Lean Fuel Trim System - Bank 2 (2.5L)
- DTC P0175: Rich Fuel Trim System - Bank 2 (2.5L)
- DTC P0300: Engine Misfire Detected
- DTC P0301-P0304: Cylinder Misfire Detected (2.0L)
- DTC P0301-P0306: Cylinder Misfire Detected (2.5L)
- DTC P0327: Knock Sensor Circuit - Voltage Low (2.0L)
- DTC P0328: Knock Sensor Circuit - Open (2.0L)
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0400: EGR Flow Malfunction (2.0L)
- DTC P0400: EGR Flow Malfunction (2.5L)
- DTC P0403: EGR Solenoid Control Circuit (2.0L)
- DTC P0420: Catalyst System Low Efficiency (2.0L)
- DTC P0420 Or P0430: Catalyst System Low Efficiency (2.5L)
- DTC P0440: Evaporative Emissions System With ORVR
- DTC P0440: Evaporative Emissions System Without ORVR (2.0L)
- DTC P0443: Evaporative Emission System Incorrect Purge Flow (2.0L)
- DTC P0450: Fuel Tank Pressure Sensor Circuit
- DTC P0451: Fuel Tank Pressure Sensor Performance - With ORVR
- DTC P0451: Fuel Tank Pressure Sensor Performance - Without ORVR (2.0L)
- DTC P0455: Evaporative Emission System Leak Detected - With ORVR
- DTC P0455: Evaporative Emission System Leak Detected - Without ORVR (2.0L)
- DTC P0505: Idle Control System
- DTC P0601: Pcm Memory (2.0L)
- DTC P0601-P0607, P1600, P1621, P1627 Or P1683: Pcm Memory (2.5L)
- DTC P0705: Transmission Range Switch
- DTC P1408: Map Sensor Circuit
- DTC P1410: EVAP Tank Pressure Control Solenoid Valve Circuit (2.0L)
- DTC P1450: Barometric Pressure Sensor Circuit
- DTC P1451: Barometric Pressure Sensor Performance
- DTC P1500: Start Switch Circuit
- DTC P1510: Pcm Backup Power Supply (2.0L)
- DTC P1510: Pcm Backup Power Supply (2.5L)