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. Use a test lampJ 35616-200 in order to backprobe from the rear window wiper/washer switch CKT 392 (DK GRN) cavity B to ground.
  3. Press the window washer switch.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Disconnect the rear window washer pump connector.
  2. Connect a test lampJ 35616-200 from CKT 392 (DK GRN) harness cavity B to ground (located in the liftgate body harness at rear of vehicle).
  3. Press the rear window washer switch.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

4

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

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

5

Connect a test lampJ 35616-200 from CKT 392 (DK GRN) cavity B to CKT 350 (BLK) cavity A at the rear window washer pump connector.

Does the test lamp light?

--

Go to Step 7

Go to Step 9

6

Repair the open in CKT 392 (DK GRN) between the rear window washer pump and the rear window wiper/washer switch.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

7

Check for cut in washer fluid line.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

Go to Step 8

8

Replace the rear washer pump Liftgate Wiper Motor Replacement .

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

9

Repair the open in CKT 350 (BLK) between the rear window washer pump connector and G100.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

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