With Voltmeter

1. Connect the voltmeter to the data link connector.
2. Turn the ignition switch, and the engine control module memory contents will immediately start.
- After recording the abnormal item, check and repair each part.
3. When the defective parts have been repaired, disconnect the negative terminal of the battery cable for 15 seconds or more and connect it again to make sure that the diagnostic trouble code has been erased.