Using Voltmeter
- Ignition switch ON (Do not start).
- Connect the voltmeter to the data link connector (No. 1 pin).
- Ground the L-wire (No. 15) in the data link connector.
- Output pattern shows on the voltmeter.
- Read the output diagnostic trouble codes. Then follow the remedy procedures according to the "DIAGNOSTIC TROUBLE CODE DESCRIPTION".
- Erase the diagnostic trouble code.