GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Wiper/Washer

2

  1. Disconnect the wiper motor connector C1.
  2. Set the ignition switch to RUN.
  3. Set the wiper switch to LO.
  4. Connect a test light from connector C1, terminal F to ground.
  5. Momentarily activate the washer switch while observing the test light.

Is the test light on when the washer switch is released?

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Go to Step 3

Go to Step 4

3

Replace the wiper/washer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .

Is the replacement complete?

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Go to Diagnostic System Check - Wiper/Washer

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4

Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .

Is the replacement complete?

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Go to Diagnostic System Check - Wiper/Washer

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