GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Washer/Wiper Rear System Check?

--

Go to Step 2

Go to Wiper/Washer Rear System Check

2

  1. Place the ignition switch in the RUN position.
  2. Place the rear window wiper/washer switch in the DELAY position.
  3. Using a test lamp J 35616-200 backprobe from the rear window wiper/washer module connector CKT 97 (LT BLU) cavity D to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

Connect a test lamp J 35616-200 from the rear window wiper/washer module connector CKT 391 (GRY) cavity B to ground.

Does the test lamp light?

--

Go to Step 6

Go to Step 5

4

Use a test lampJ 35616-200 in order to backprobe from the rear window wiper/washer switch CKT 97 (LT BLU) cavity F to ground.

Does the test lamp light?

--

Go to Step 7

Go to Step 8

5

Use a test lampJ 35616-200 in order to backprobe from the rear window wiper/washer switch CKT 391 (GRY) cavity D to ground.

Does the test lamp light?

--

Go to Step 9

Go to Step 8

6

Replace the window wiper/washer module. Refer to Liftgate Wiper Motor Replacement or Windshield Wiper System Module Replacement

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

7

Repair the open in CKT 97 (LT BLU) between the rear window wiper/washer switch and the rear window wiper/washer module.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

8

Replace the rear window wiper/washer switch. Refer to Accessory Switch Replacement

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

9

Repair the open in CKT 391 (GRY) between the rear window wiper/washer switch and the rear window wiper/washer module.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--