GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The low-speed mode, the delay mode, and the mist mode are inoperative. The high-speed mode is operating normally.

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 switch to the RUN position.
  2. Turn the wiper switch to the LO position.
  3. Measure the voltage between wiper/washer switch connector C211, terminal E8, and ground.

Is the voltage greater than the specified value?

1 volt

Go to Step 3

Go to Step 7

3

Measure the voltage between wiper/washer switch connector C211, terminal E5, and ground.

Is the voltage greater than the specified value?

1 volt

Go to Step 4

Go to Step 7

4

  1. Disconnect the wiper motor connector.
  2. Measure the voltage between wiper motor connector, terminal A, and ground.

Is the voltage greater than the specified value?

1 volt

Go to Step 5

Go to Step 10

5

Measure the voltage between the wiper motor connector, terminal E, and ground.

Is the voltage greater than the specified value?

1 volt

Go to Step 6

Go to Step 11

6

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

--

Go to Wiper/Washer System Check

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7

Inspect the wiper/washer switch connector for a poor connection.

Did you find a poor connection?

--

Go to Step 8

Go to Step 9

8

Repair the poor connection. Refer to Connector Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

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9

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

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

10

Repair the open in CKT 113. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

11

Repair the open in CKT 112. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

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