| DTC 12 (Except Calif.) |
RPM Signal |
ON |
N/A |
Distributor, Starter Or Circuit, ECM |
| DTC 12 (Calif.) |
RPM Signal |
ON |
N/A |
Distributor, Starter Or Circuit, ECM |
| DTC 13 |
RPM Signal |
|
|
Distributor Or Circuit, ECM |
| DTC 14 |
Ignition Signal |
ON |
N/A |
Ignitor Or Circuit To ECM, ECM |
| DTC 16 |
ECT Control Signal |
ON |
N/A |
ECM Or Circuit |
| DTC 21 |
Oxygen Sensor Signal |
ON |
ON |
Oxygen Sensor Or Circuit, ECM |
| DTC 22 |
Engine Coolant Temperature Sensor Signal |
ON |
ON |
Engine Coolant Temp. Sensor Or Circuit, ECM |
| DTC 24 |
Intake Air Temperature |
ON |
ON |
Intake Air Temp. SensorOr Circuit, ECM |
| DTC 25 |
Lean Air/Fuel Mixture |
ON |
ON |
Injector Or Circuit, Oxygen Sensor Or Circuit Fuel Pressure, Ignition System, Vacuum Leak, Compression Pressure, ECM |
| DTC 26 |
Rich Air/Fuel Mixture |
ON |
ON |
Injector Or Circuit, Oxygen Sensor Or Circuit Fuel Pressure, Ignition System, Vacuum Leak, Compression Pressure, ECM |
| DTC 27 |
Sub-Oxygen Sensor Signal |
ON |
ON |
Sub-Oxygen Sensor Or Circuit, ECM |
| DTC 31 |
MAP Sensor Signal |
ON |
ON |
MAP Sensor Or Circuit, ECM |
| DTC 41 |
Throttle Position Sensor Signal |
ON |
ON |
Throttle Position Sensor Or Circuit, ECM |
| DTC 42 |
Vehicle Speed Sensor Signal |
ON |
OFF |
Vehicle Speed Sensor Or Circuit, ECM |
| DTC 43 |
Starter Signal |
N/A |
OFF |
Starter Signal Circuit,Starter Relay, IgnitionSwitch Or Circuit, ECM |
| DTC 51 |
Switch Condition Signal |
N/A |
OFF |
A/C Switch Circuit, Park/Neutral Switch Or Circuit, TPS Or Circuit, ECM |
| DTC 52 |
Knock Sensor Signal |
ON |
N/A |
Knock Sensor Or Circuit, ECM |
| DTC 71 |
EGR System Malfunction |
ON |
ON |
EGR System, EGR Temp. Sensor Or Circuit, EGR-VSV, ECM |