Engine Controls - Diagnostics
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Readiness Monitor Drive Pattern
- Diagnostic Trouble Code Chart
- Parts Location
- Terminals Of ECM
- Problem Symptoms Table
- DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1), DTC P0020: Camshaft Position "A" Actuator Circuit (Bank 2)
- DTC P0011: Camshaft Position "A" - Timing Over - Advanced or System Performance (Bank 1), DTC P0012: Camshaft Position "A" - Timing Over - Retarded (Bank 1), DTC P0021: Camshaft Position "A" - Timing Over - Advanced or System Performance (Bank 2), DTC P0022: Camshaft Position "A" - Timing Over - Retarded (Bank 2)
- DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A), DTC P0018: Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
- DTC P0036: Oxygen Sensor Heater Control Circuit (Bank 1 Sensor 2)
- DTC P0100: Mass or Volume Air Flow Circuit
- DTC P0101: Mass or Volume Air Flow Circuit Range/Performance Problem
- DTC P0110: Intake Air Temperature Circuit
- DTC P0115: Engine Coolant Temperature Circuit
- DTC P0116: Engine Coolant Temperature Circuit Range/ Performance Problem, DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0120: Throttle/Pedal position Sensor/Switch "A" Circuit
- DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1), DTC P0154: Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
- DTC P0135: A/F Sensor Heater Circuit (Bank 1 Sensor 1), DTC P0155: A/F Sensor Heater Circuit (Bank 2 Sensor 1)
- DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
- DTC P0171: System too Lean (Bank 1), DTC P0172: System too Rich (Bank 1), DTC P0174: System too Lean (Bank 2), DTC P0175: System too Rich (Bank 2)
- DTC P0300: Random/Multiple Cylinder Misfire Detected, DTC P0301: Cylinder 1 Misfire Detected, DTC P0302: Cylinder 2 Misfire Detected, DTC P0303: Cylinder 3 Misfire Detected, DTC P0304: Cylinder 4 Misfire Detected, DTC P0305: Cylinder 5 Misfire Detected, DTC P0306: Cylinder 6 Misfire Detected
- DTC P0325: Knock Sensor 1 Circuit (Bank 1 or Single Sensor), DTC P0330: Knock Sensor 2 Circuit (Bank 2)
- DTC P0335: Crankshaft Position Sensor "A" Circuit
- DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor), DTC P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor), DTC P0345: Camshaft Position Sensor "A" Circuit (Bank 2), DTC P0346: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2)
- DTC P0351: Ignition Coil "A" Primary/Secondary Circuit, DTC P0352: Ignition Coil "B" Primary/Secondary Circuit, DTC P0353: Ignition Coil "C" Primary/Secondary Circuit, DTC P0354: Ignition Coil "D" Primary/Secondary Circuit, DTC P0355: Ignition Coil "E" Primary/Secondary Circuit, DTC P0356: Ignition Coil "F" Primary/Secondary Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow, DTC P0446: Evaporative Emission Control System Vent Control Malfunction
- DTC P0442: Evaporative Emission Control System Leak Detected (Small Leak), DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0450: Evaporative Emission Control System Pressure Sensor/Switch, DTC P0451 Evaporative Emission Control System Pressure Sensor/Switch Range/Performance
- DTC P0500: Vehicle Speed Sensor "A"
- DTC P0505: Idle Air control System, DTC P0511 Idle Air Control Circuit
- DTC P0560: System Voltage
- DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input), DTC P0850 Park/Neutral Switch Input Circuit
- DTC P0724: Brake Switch "B" Circuit High
- DTC P2195: A/F Sensor Range/Performance Lean Side (Bank 1 Sensor 1), DTC P2196: A/F Sensor Range/Performance Rich Side (Bank 1 Sensor 1), DTC P2197 A/F Sensor Range/Performance Lean Side (Bank 2 Sensor 1), DTC P2198 A/F Sensor Range/Performance Rich Side (Bank 2 Sensor 1)
- DTC P2237: A/F Sensor Circuit (Bank 1 Sensor 1), DTC P2240: A/F Sensor Circuit (Bank 2 Sensor 1)
- DTC P2A00: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1), DTC P2A03: A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
- Circuit Tests