Door Lock Switch Signal Test
NOTE:
Ensure power door lock harness and connector circuits are okay before testing door lock switch signal. See the POWER DOOR LOCK CONTROL RELAY CIRCUIT TESTING CHARTS.
- Locate power door lock control relay. Ensure control relay 14-pin Blue connector is connected. Using voltmeter positive lead, backprobe connector terminal No. 1 (Blue wire). Using voltmeter negative lead, backprobe connector terminal No. 6 (Blue/White wire). Ensure voltage increases from zero to battery voltage for approximately 0.2 second with door lock manual switch in UNLOCK position.
- Reverse voltmeter leads and ensure voltage increases from zero to battery voltage for approximately 0.2 second with door lock manual switch in LOCK position. If voltage does not change as specified, replace power door lock control relay and retest system.