GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

--

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 OFF position.
  3. Disconnect the wiper/washer switch connector.

Does the wiper motor continue to run?

--

Go to Step 3

Go to Step 7

3

Measure the voltage between wiper/washer switch connector C211 (vehicle side), terminal E8 and ground.

Is the voltage greater than the specified value?

1 volt

Go to Step 4

Go to Step 8

4

  1. Reconnect the wiper/washer switch connector.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage between the wiper motor connector, terminal A, and ground.

Is the voltage greater than the specified value?

1 volt

Go to Step 5

Go to Step 6

5

Repair the short to B+ in CKT 113. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

6

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

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

7

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

--

8

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

Is the voltage greater than the specified value?

1 volt

Go to Step 9

Go to Step 11

9

  1. Reconnect the wiper/washer switch connector.
  2. Disconnect the wiper motor connector.
  3. 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 10

Go to Step 6

10

Repair the short to B+ in CKT 112. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

11

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

Is the voltage equal to the specified value?

B+ voltage

Go to Step 12

Go to Step 6

12

Repair the short to B+ in CKT 92. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Wiper/Washer System Check

--