Retrieving Fault Codes
- Apply parking brake. Run engine in "P" range. Connect voltmeter probes to monitor connector (Green) under dash panel beside right side of steering column. See Fig 1 .
- Using a jumper lead, connect terminals of "DIAG" switch (Black) connector which is located next to monitor (Green) connector. See Fig 1 . To read diagnostic code, record voltage pulses. See Fig 2 .