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 Wiper/Washer System Check

2

  1. Turn the ignition to OFF.
  2. Disconnect wiper/washer switch connector C201.
  3. Turn the wiper switch to DELAY.
  4. Using a J 39200 set to the ohms scale, measure the resistance through the wiper/washer switch assembly from connector C201 terminal E9 to terminal E3.
  5. Move the wiper switch through the entire delay range, one notch at a time.

Does the resistance vary from approximately 39 Kohms to 680 Kohms?

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Go to Step 4

Go to Step 3

3

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

Is the repair complete?

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Go to Wiper/Washer System Check

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4

  1. Reconnect the wiper/washer switch connector C201.
  2. Disconnect the wiper motor connector.
  3. Turn the ignition switch to RUN.
  4. Turn the wiper switch to DELAY.
  5. Using aJ 39200 , measure the voltage from the wiper motor connector terminal E to ground.

Is battery voltage present?

10.5-15 volts

Go to Step 6

Go to Step 5

5

Repair the poor connection condition or the open circuit condition in circuit 112.

Is the repair complete?

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Go to Wiper/Washer System Check

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6

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

Is the repair complete?

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Go to Wiper/Washer System Check

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