Power Door Lock Switch: Testing and Inspection

Door Lock Switch Continuity Test:

Remove the switch from its mounting location. Using an ohmmeter determine if continuity is correct in the Lock and Unlock switch positions. If these results are not obtained, replace the switch.

Wiring
The following wiring test sequence determines whether or not voltage is continuous through the body harness to switch.
1. Remove left side switch from door trim panel.
2. Carefully separate multiple terminal block on wiring harness from switch body.
3. Connect one lead of test light to a ground terminal. Touch other test light lead to Red Wire terminal.
a. If test light comes on, the wiring circuit between the battery and switch is functional.
b. If test light does not come on, check fuse 3 in the fuse block or for a open circuit.
4. If test light comes on, the wiring circuit between the battery and switch is functional.