Power Window Switch: Testing and Inspection

The diagnosis found here applies only to the rear door power window switches. The front door power window switches are integral to the door modules. (Refer to POWER LOCK SYSTEM/DOOR MODULE - DIAGNOSIS AND TESTING - DOOR MODULE POWER WINDOW CONTROL). 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, perform the power window motor diagnosis. (Refer to POWER WINDOW SYSTEM/POWER WINDOW MOTOR - DIAGNOSIS AND TESTING). If not OK, replace the faulty power window switch.