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 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 .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

4

Measure the voltage from the wiper/washer switch connector (vehicle side), terminal E, to ground with a DMM.

Is the measurement greater than the specified value?

1.0 V

Go to Step 10

Go to Step 5

5

Measure the voltage from the wiper/washer switch connector (vehicle side), terminal D, to ground with a DMM.

Is the measurement greater than the specified value?

1.0 V

Go to Step 7

Go to Step 6

6

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

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

7

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

Is the measurement greater than the specified value?

1.0 V

Go to Step 9

Go to Step 8

8

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

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

9

Repair the short to voltage in CKT 112.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

10

  1. Reconnect the wiper/washer switch connector C203.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from the wiper motor connector, terminal D, to ground with a DMM.

Is the measurement greater than the specified value?

1.0 V

Go to Step 12

Go to Step 11

11

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

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

12

Repair the short to voltage in CKT 113.

Is the repair complete?

--

Go to Wiper/Washer System Check

--