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

DEFINITION: This table diagnoses the rear wipers are always on when the rear wiper/washer switch is in the OFF position.

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

  1. Turn the ignition ON, engine OFF.
  2. Verify that the rear wipers are always ON when the wiper/washer switch is in the OFF position.

Are the rear wipers always ON?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3

  1. Turn the ignition OFF.
  2. Disconnect the wiper/washer switch.
  3. Turn the ignition ON, engine OFF.

Are the rear wipers always ON?

Go to Step 5

Go to Step 4

4

Replace the rear wiper/washer switch.

Did you complete the replacement?

Go to Step 6

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5

Repair the short to voltage condition. Refer to Wiring Repairs .

Did you complete the repair?

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

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