Section 355 (Engine Controls Self-Diagnostics - 3.4L)
WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Programming
- Notes
- Powertrain Control Module
- Service Programming System Remote Procedure
- Service Programming System Pass-Thru Procedure
- Service Programming System Off Board Remote Procedure
- Service Programming System Off Board Pass-Thru Procedure
- CKP System Variation Learn Procedure
- Programming Theft Deterrent System Components
- Drive Cycles
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance System DTCS
- Inspection/Maintenance Catalyst System Set Procedure
- Inspection/Maintenance Exhaust Gas RECIRCULATION System Set Procedure
- Inspection/Maintenance Evaporative Emission System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0030: Ho2S 1 Heater Control Circuit
- DTC P0101: MAF Sensor Performance
- DTC P0102: MAF Sensor Circuit - Low Voltage
- DTC P0103: MAF Sensor Circuit - High Frequency
- DTC P0107: Manifold Absolute Pressure Sensor Circuit - Low Voltage
- DTC P0108: Manifold Absolute Pressure Sensor Circuit - High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit - Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit - High Voltage
- DTC P0116: ECT Sensor Circuit Performance
- DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit - High Voltage
- DTC P0121: TP Sensor Performance
- DTC P0122: Throttle Position Sensor Circuit - Low Voltage
- DTC P0123: Throttle Position Sensor Circuit - High Voltage
- DTC P0125: Engine Coolant Temperature Insufficient For Closed Loop Fuel Control
- DTC P0128: Engine Coolant Temperature Below Thermostat Regulating Temperature
- DTC P0130: Ho2S 1 Circuit Closed Loop Performance
- DTC P0131: Ho2S Circuit Low Voltage - Sensor 1
- DTC P0132: Ho2S Circuit High Voltage - Sensor 1
- DTC P0133: Ho2S Slow Response - Sensor 1
- DTC P0134: Ho2S 1 Circuit Insufficient Activity
- DTC P0135: Ho2S 1 Heater Performance
- DTC P0137: Ho2S 2 Circuit Low Voltage
- DTC P0138: Ho2S 2 Circuit High Voltage
- DTC P0140: Ho2S 2 Circuit - Insufficient Activity
- DTC P0141: Ho2S 2 Heater Performance
- DTC P0171: Fuel Trim System Lean
- DTC P0172: Fuel Trim System Rich
- DTC P0201-P0206: Injector Control Circuit
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0325: Knock Sensor Circuit Malfunction
- DTC P0327: Knock Sensor Circuit
- DTC P0336: Crankshaft Position Sensor Performance
- DTC P0341: Camshaft Position Sensor Performance
- DTC P0401: EGR System
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR System
- DTC P0405: EGR Sensor Circuit - Low Voltage
- DTC P0420: TWC System - Low Efficiency
- DTC P0440: Evaporative Emission System
- DTC P0442: Evaporative Emission Control System - Small Leak Detected
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: Evaporative Emission Vent System Performance
- DTC P0449: EVAP Canister Vent Solenoid Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0506: Idle Speed Low
- DTC P0507: Idle Speed High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 Or P2610: Ecu Malfunction
- DTC P0650: Mil Control Circuit
- DTC P1106: Map Sensor Circuit Intermittent High Voltage
- DTC P1107: Map Sensor Circuit Intermittent Low Voltage
- DTC P1111: IAT Sensor Circuit Intermittent High Voltage
- DTC P1112: IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114: ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115: ECT Sensor Circuit Intermittent High Voltage
- DTC P1121: TP Sensor Circuit Intermittent High Voltage
- DTC P1122: TP Sensor Circuit Intermittent Low Voltage
- DTC P1133: Ho2S Insufficient Switching - Sensor 1
- DTC P1134: Ho2S Transition Time Ratio - Sensor 1
- DTC P1336: Crankshaft Position System Variation Not Learned
- DTC P1351: Ic Circuit High Voltage
- DTC P1352: Ic Output High/Pulse Detected
- DTC P1361: Ic Circuit Low Voltage
- DTC P1362: Ic Cylinder No. 2 Not Toggling After Enable
- DTC P1374: 3X Reference Circuit
- DTC P1380: EBTCM DTC Detected Rough Road Data Unusable
- DTC P1381: Misfire Detected No EBTCM/Pcm Serial Data
- DTC P1404: EGR System
- DTC P1441: Evaporative Emission System Flow During Non-Purge
- DTC P1635: 5-Volt Reference Low
- DTC P1639: 5-Volt Reference 2 Circuit
- DTC P1640: Driver 1 Input - High Voltage
- DTC P1650: Driver 2 Input - High Voltage
- DTC P1660: Cooling Fans Control Circuit
- DTC P1670: Output Driver Module No. 4
- Wiring Diagrams