Power Door Lock Switch: Description and Operation

Door Lock Switch Continuity Test:

Remove the door lock switch from its mounting location. Refer to Door Lock Switch Replacement procedures. Using an ohmmeter, test door lock switch continuity. Move the switch to the Lock and Unlock positions. If the resistance values are not obtained, replace the switch.

Voltage
The following circuit test sequence determines whether or not voltage is continuous through the body harness to switch.
1. Remove the driver door trim panel.
2. Carefully separate multiple terminal block on wiring harness from switch body.
3. Using a voltmeter, connect the ground lead to the Pin 3 of the door lock connector.
a. Using the positive lead, check Pin 1 of the connector for battery voltage. If OK, go to Step b. If not OK, check fuse #5 in the Junction Block, and fuse #4 in the Power Distribution Center. If the fuse is OK, repair wire as necessary
b. Check Pin 2 of the connector for battery voltage. If OK, go to Switch Test. If not OK, check fuse 4 in the Junction Block, and fuse #16 in the Power Distribution Center. If the fuse is OK, repair wire as necessary