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?

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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 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 lampJ 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 Liftgate Wiper Motor Replacement Windshield Wiper System Module Replacement .

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

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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 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

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