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 Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Are the windshield washers always ON?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3

Disconnect the multifunction switch connector C1.

Are the windshield washers always on?

Go to Step 4

Go to Step 5

4

Repair the short to ground in the windshield washer pump control circuit. Refer to Circuit Testing and Wiring Repairs .

Is the repair complete?

Go to Step 6

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5

Replace the multifunction switch. Refer to Turn Signal Multifunction Switch Replacement .

Is the repair complete?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3