GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Turn ignition switch to ON.
  2. Position and press the rear Wiper switch to the ON position.

Rear wiper operates.

Rear Wiper Inoperative

2

Press rear wiper switch to OFF.

Rear wiper stops in the park position.

    •  Rear Wiper Always On

3

Press and hold the rear washer switch.

Rear washer pump operates and rear wiper completes at least one full sweep.

    •  Rear Wiper Inoperative

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.