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 Diagnostic System Check - Wiper/Washer

2

  1. Set ignition switch to RUN.
  2. Backprobe from the wiper/washer switch connector C203, terminal C to ground, using a J 35616-200 .

Is the test light on?

--

Go to Step 4

Go to Step 3

3

Repair the open circuit or poor connection in CKT 243 to the wiper/washer switch. If an open is present in the wiper/washer fuse, check for a short circuit to ground in the related circuits. The related circuits depend on whether the fuse is open before or after system operation.

Is the repair complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

4

  1. Set the wiper switch to HI.
  2. Connect the J 35616-200 from connector C203, terminal D, to ground.

Is the test light on?

--

Go to Step 7

Go to Step 5

5

Check for a poor connection at connector C203, terminal D. Also, check for an open circuit in the pigtail (CKT 243) to the wiper/washer switch.

Is a poor connection or an open circuit present?

--

Go to Step 6

Go to Step 14

6

Repair the poor connection or the open circuit in the pigtail (CKT 243).

Is the repair complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

7

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

Is the test light on?

--

Go to Step 9

Go to Step 8

8

Repair the open circuit or the poor connection in CKT 92 between connection C203 and the wiper motor.

Is the repair complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

9

Connect the J 35616-200 from the wiper motor connector, terminal C to terminal A.

Is the test light on?

--

Go to Step 11

Go to Step 10

10

Repair the open circuit or poor connection in ground CKT 1650.

Is the repair complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

11

Check for a poor connection to the wiper motor.

Is a poor connection present?

--

Go to Step 13

Go to Step 12

12

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

Is the replacement complete?

--

Go to Diagnostic System Check - Wiper/Washer

--

13

Correct the poor connection condition.

Is the poor connection corrected?

--

Go to Diagnostic System Check - Wiper/Washer

--

14

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

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