GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The window wiper does not operate during operation of the washer pump.

1

Was the Wiper/Washer System Check performed?

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Go to Step 2

Go to Wiper/Washer System Check

2

  1. Turn the ignition switch to the RUN position.
  2. Disconnect the wiper motor connector.
  3. Connect a test lamp from the wiper motor connector, terminal A, to ground.
  4. Activate the washer switch.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

3

Replace the wiper motor cover assembly. Refer to Windshield Wiper System Module Replacement .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

4

  1. Inspect CKT 113 for a poor connection at the wiper/washer switch.
  2. Inspect CKT 113 for a poor connection at the wiper motor assembly.

Did you find a poor connection?

--

Go to Step 5

Go to Step 6

5

Repair the poor connection. Refer to Connector Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

6

Inspect CKT 113 for an open.

Did you find an open?

--

Go to Step 7

Go to Step 8

7

Repair the open in CKT 113. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

8

Replace the wiper/washer switch assembly. Refer to Multifunction, Turn Signal and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column.

Is the replacement complete?

--

Go to Wiper/Washer System Check

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