Trouble Code Definition (DTC) Identification
TROUBLE CODE IDENTIFICATION
| Code | System Affected: | Probable Cause: |
|---|---|---|
| 12 | Mass Airflow Sensor | Not In Operating Range |
| 14 | Coolant Temp. Sensor | Not In Operating Range |
| 16 | Air Temperature Sensor | Not In Operating Range |
| 17 | Throttle Position Sensor | Not In Operating Range |
| 18 | Throttle Potentiometer/ Mass Airflow Sensor | Signal Resistance Low At Wide Open Throttle |
| 19 | Throttle Potentiometer/ Mass Airflow Sensor | Signal Resistance High At Idle |
| 22 | Heated Oxygen Sensor/ Fuel Pump Relay | Open Or Short Circuit At Idle |
| 23 | Fuel Control | Rich Exhaust Indicated |
| 24 | Ignition Amplifier | Open Or Short Circuit |
| 26 | Air Leak/Running Lean | Lean Exhaust/Vacuum Leak |
| 29 | Electronic Control Module | Self Check |
| 33 | Fuel Injector Circuit | Open Or Short Circuit |
| 34 | Fuel Injector Circuit | Faulty Injector Indicated |
| 37 | EGR Solenoid Valve | Short Or Open Circuit |
| 39 | EGR Function | Faulty System Operation |
| 44 | Heated Oxygen Sensor | Rich Or Lean Condition |
| 46 | Idle Air Control Valve (Coil 1) | Open Or Short Circuit |
| 47 | Idle Air Control Valve (Coil 2) | Open Or Short Circuit |
| 48 | Idle Air Control Valve Position | Not Within Specification |
| 66 | Air Injection Pump Relay | Short Circuit Or Faulty Pump |
| 68 | Vehicle Speed Sensor | Incorrect Signal Voltage |
| 69 | Park/Neutral Position Switch Circuit | Engine Cranks In Drive |
| 89 | EVAP Canister Purge Control Valve | Voltage Not Within Range |