GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

1

Did you perform the Wiper/Washers Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Wiper/Washer

2

Turn the ignition ON.

Are the windshield washers OFF?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Disconnect the windshield wiper/washer switch connector.

Do the windshield washers stop?

Go to Step 5

Go to Step 4

4

Test the windshield washer pump control circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

5

Replace the windshield wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column.

Is the repair complete?

Go to Step 7

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6

Replace the windshield wiper motor module. Refer to Wiper Motor Cover Replacement .

Is the repair complete?

Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3