| 12 |
RPM Signal |
ON |
Distributor, Starter Or Circuit, ECM |
| 13 |
RPM Signal |
ON |
Distributor Or Circuit,ECM |
| 14 |
Ignition Signal |
ON |
Ignitor Or Circuit To ECM, ECM |
| 21 |
Oxygen Sensor Signal |
ON |
Oxygen Sensor/Heater Or Circuit, ECM |
| 22 |
Engine Coolant Temperature Sensor Signal |
ON |
Engine Coolant Temp. Sensor Or Circuit, ECM |
| 24 |
Intake Air Temperature Sensor Signal |
ON |
Intake Air Temp. SensorOr Circuit, ECM |
| 25 |
Lean Air/Fuel Mixture |
ON |
Loose Ground, Injector Or Circuit, Fuel Pressure, Ignition System, Engine Coolant Temp. Sensor, Airflow Meter, ECM |
| 26 |
Rich Air/Fuel Mixture |
ON |
Loose Ground, Injector Or Circuit, Oxygen Sensor/Heater Or Circuit, Fuel Pressure,Cold Start Injector Or Circuit, Engine CoolantTemp. Sensor, Airflow Meter, Compression Pressure, ECM |
| 27 |
Oxygen Sensor Signal |
ON |
Sub-Oxygen Sensor/ Heater Or Circuit, ECM |
| 31 |
Airflow Meter Signal |
ON |
Airflow Meter Or Circuit, ECM |
| 41 |
Throttle Position Sensor Signal |
ON |
Throttle Position Sensor Or Circuit, ECM |
| 42 |
Vehicle Speed Sensor Signal |
OFF |
Vehicle Speed Sensor OrCircuit, ECM |
| 43 |
Starter Signal |
OFF |
Starter Signal Circuit,Ignition Switch Or Circuit, Main Relay, ECM |
| 51 |
Switch Condition Signal |
OFF |
A/C Switch Circuit, Park/Neutral Switch Or Circuit, TPS Or Circuit, ECM |
| 52 |
Knock Sensor Signal |
ON |
Knock Sensor Or Circuit, ECM |
| 53 |
Knock Sensor Control Signal |
ON |
ECM |
| 71 |
EGR System Malfunction |
ON |
EGR System, EGR Temp. Sensor Or Circuit, EGR-VSV, ECM |