GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the system operation and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

2

  1. Turn the ignition switch to RUN.
  2. Turn the wiper switch to OFF.
  3. Disconnect the wiper/washer switch connector.

Do the wipers park?

--

Go to Step 3

Go to Step 4

3

Replace the wiper/washer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Did you complete the replacement?

--

Go to Step 9

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4

Measure the voltage from the wiper/washer switch connector (vehicle side), terminal B6, to ground.

Does the voltage measure greater than the specified value?

1.0 V

Go to Step 6

Go to Step 5

5

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

Did you complete the replacement?

--

Go to Step 9

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6

  1. Reconnect the wiper/washer switch connector.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from the wiper motor connector, terminal D, to ground.

Does the voltage measure greater than the specified value?

1.0 V

Go to Step 8

Go to Step 7

7

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

Did you complete the replacement?

--

Go to Step 9

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8

Repair the short to voltage in CKT 113. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 9

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9

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 2