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 C211.

Do the wipers park?

Go to Step 3

Go to Step 4

3

Replace the wiper/washer switch assembly. Refer to Turn Signal and Multifunction Switch Assembly - Disassemble - Off Vehicle .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

4

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

Is the measurement greater than 1.0 volt?

1.0 volt

Go to Step 10

Go to Step 5

5

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

Is the measurement greater than 1.0 volt?

1.0 volt

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?

--

Go to Wiper/Washer System Check

--

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 DMM.

Is the measurement greater than 1.0 volt?

1.0 volt

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 Wiper/Washer System Check

--

9

Repair the short circuit to battery voltage condition in circuit 112.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

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 DMM.

Is the measurement greater than 1.0 volt?

1.0 volt

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?

--

Go to Wiper/Washer System Check

--

12

Repair the short circuit to battery voltage condition in circuit 113.

Is the repair complete?

--

Go to Wiper/Washer System Check

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