GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the rear wiper/washer system check performed?

--

Go to Step 2

Go to Wiper/Washer Rear System Check

2

  1. Turn the ignition switch to the ON position.
  2. Backprobe the rear wiper motor connector using J 35616-200 from cavity 2 to ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Manually move the rear wiper out of the PARK position.
  2. Backprobe the rear wiper/washer switch connector using J 35616-200 from cavity 6 to ground.

Does the test lamp light?

--

Go to Step 6

Go to Step 5

4

Test for an open in the YEL/BLU wire between the junction block and the rear wiper motor.

Was an open found?

--

Go to Step 8

Go to Step 9

5

Test for an open in the BLU/GRN wire between the rear wiper/washer switch and the rear wiper motor.

Was an open found?

--

Go to Step 8

Go to Step 7

6

Replace the rear wiper/washer switch. Refer to Rear Window Wiper and Washer Switch Replacement .

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

7

Replace the rear wiper motor. Refer to Rear Window Wiper Motor Replacement .

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

8

Repair the open. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

9

Replace the junction block.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

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