GM Service Manual Online
For 1990-2009 cars only

Step

in don

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Wiper/Washer

2

Do the wipers operate at all with the wiper switch in HI?

--

Go to Step 4

Go to Step 3

3

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

Is the replacement complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

4

  1. Turn the ignition switch to RUN.
  2. Turn the wiper switch to HI.
  3. Using a J 35616-200 , backprobe between the wiper/washer switch connector C203, terminal D, and ground.

Is the test light on?

--

Go to Step 8

Go to Step 5

5

Check for a poor connection at connector C203, or for an open circuit in the pigtail to the wiper/washer switch.

Is a poor connection or open circuit present?

--

Go to Step 7

Go to Step 6

6

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

Is the replacement complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

7

Correct the poor connection condition.

Does the washer/wiper switch have a good connection?

--

Go to Diagnostic System Check - Wiper/Washer

--

8

  1. Disconnect the wiper motor connector.
  2. Connect the J 35616-200 between the wiper motor connector, terminal C, and ground.

Is the test light on?

--

Go to Step 10

Go to Step 9

9

Repair the open circuit in CKT 92.

Is the repair complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

10

Check for a poor connection to the wiper motor.

Is a poor connection present?

--

Go to Step 11

Go to Step 12

11

Repair the poor connection to the wiper motor.

Is the repair complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

12

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

Is the repair complete?

--

Go to Diagnostic System Check - Wiper/Washer

--