Diagnostic Trouble Codes - 1989
Mitsubishi
| 1 | Oxygen Sensor. |
| 2 | Ignition Signal. |
| 3 | Air Flow Sensor. |
| 4 | Pressure Sensor. |
| 5 | Throttle Position Sensor. |
| 6 | ISC Motor Position Switch. |
| 7 | Water Temperature Sensor. |
| 8 | Vehicle Speed Sensor. |
Inspection procedure (using voltmeter):
- Turn ignition switch to OFF.
- Open the glove compartment and pull out the connector for diagnosis.
- Connect a voltmeter between terminal for "MPI" and terminal for ground.
- Turn ignition switch to ON, and indication of ECU memory contents will immediately start. If the system is in normal condition, pointer of voltmeter indicates normal pattern. If any abnormality is in memory, the pointer of volt meter will deflect, indicating abnormal item.
- After recording the abnormal item, check and repair each part.
- Turn ignition switch to OFF.
- If the faulty parts have been repaired, disconnect ground cable for 15 seconds or more from negative terminal of battery and connect it again to make sure that abnormal code has been erased.
