GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the Wiper/Washer System Description and 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 C211.

Do the wipers park?

Go to Step 3

Go to Step 4

3

Replace the wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard or Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Is the replacement complete?

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Go to Step 13

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4

Measure the voltage from connector C211 (vehicle side), terminal E8, to ground using a J 39200 .

Is the measurement greater than the specified value?

1.0 V

Go to Step 10

Go to Step 5

5

Measure the voltage from connector C211 (vehicle side), terminal E5, to ground using a J 39200 .

Is the measurement greater than the specified value?

1.0 V

Go to Step 7

Go to Step 6

6

Replace the wiper motor module. Refer to Windshield Wiper System Module Replacement .

Is the replacement complete?

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Go to Step 13

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7

  1. Reconnect the wiper/washer switch connector C211.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from the wiper motor connector, terminal E, to ground using a J 39200 .

Is the measurement greater than the specified value?

1.0 V

Go to Step 9

Go to Step 8

8

Replace the wiper motor module. Refer to Windshield Wiper System Module Replacement .

Is the replacement complete?

--

Go to Step 13

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9

Repair the short to voltage condition in CKT 112.

Is the repair complete?

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Go to Step 13

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10

  1. Reconnect the wiper/washer switch connector C211.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from the wiper motor connector, terminal A, to ground using a J 39200 .

Is the measurement greater than the specified value?

1.0 V

Go to Step 12

Go to Step 11

11

Replace the wiper motor module. Refer to Windshield Wiper System Module Replacement .

Is the replacement complete?

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Go to Step 13

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12

Repair the short to voltage condition in CKT 113.

Is the repair complete?

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Go to Step 13

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13

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Symptoms