Power Window Switch: Testing and Inspection

The diagnosis found here applies only to the rear door power window switches. For diagnosis of the front door power window switches, see Door Module. If the problem being diagnosed is an inoperative power window switch illumination lamp, but the power window switch operates as designed, replace the faulty switch.

1. Disconnect and isolate the battery negative cable.
2. Remove the power window switch from the rear door trim panel.

Rear Door Power Window Switch Continuity:

3. Check the power window switch continuity in each position as shown in the Rear Door Power Window Switch Continuity chart. If OK, see the Power Window Motor diagnosis. If not OK, replace the faulty switch.