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 washer pump connector using J 35616-200 from cavity 1 to ground.
  3. Press and hold the rear washer switch.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

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

Was an open found?

--

Go to Step 5

Go to Step 6

4

Test for an open in the BLK ground wire between the rear washer pump and G102.

Was an open found?

--

Go to Step 5

Go to Step 7

5

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

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

6

Replace the combination switch. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in Restraints.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

7

Replace the rear washer pump. Refer to Rear Window Washer Pump Replacement .

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

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