GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the Wiper/Washer operation and perform the necessary inspections?

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Go to Step 2

Go to Diagnostic Starting Point

2

  1. Disconnect the front windshield wiper motor and module connector.
  2. Turn ON the ignition, with the engine OFF.
  3. Turn the front wiper/washer switch to the OFF position.
  4. Connect a DMM from CKT 96 (BRN) cavity E at the front windshield wiper motor and module to ground.

Does the voltage measure near the specified value?

B+

Go to Step 3

Go to Step 4

3

  1. Ensure that the DMM is still connected.
  2. Disconnect the front wiper/washer switch at the C201 connector.

Does the voltage measure near the specified value?

B+

Go to Step 5

Go to Step 6

4

Replace the front windshield wiper motor and module.

Refer to Windshield Wiper System Module Replacement .

Did you complete the replacement?

--

Go to Step 7

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5

Repair the short to battery in CKT 96 (BRN).

Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 7

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6

Replace the front wiper/washer switch.

Refer to Multifunction, Turn Signal and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle Turn Signal and Multifunction Switch Assembly - Assemble - Off Vehicle in Steering Wheel and Column - Tilt.

Did you complete the replacement?

--

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 2