GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the windshield washer pump motor connector.
  2. Connect a J 35616-200 from CKT 228 (RED) at the windshield washer pump motor connector to ground.
  3. Turn the ignition switch to the ACC or RUN position.
  4. Push the wiper/washer switch in the WASH position.

Did the test lamp light?

--

Go to Step 2

Go to Step 3

2

  1. Connect a J 35616-200 from CKT 228 (RED) to CKT 150 (BLK) at the windshield washer pump motor connector.
  2. Push the washer switch to the WASH position.

Did the test lamp light?

--

Go to Step 6

Go to Step 7

3

Connect a J 39200 digital multimeter (DMM) between the windshield washer pump motor connector cavity A and wiper motor module connector cavity A.

Is there continuity?

--

Go to Step 5

Go to Step 4

4

Repair open in CKT 228 (RED) between windshield wiper motor module and windshield washer pump motor.

Is the repair complete?

--

System OK

--

5

  1. Connect a J 35616-200 from CKT 96 (BRN) at the windshield wiper motor module connector cavity E to ground.
  2. Push the washer switch to the WASH position.

Did the test lamp light?

--

Go to Step 8

Go to Step 9

6

Replace the windshield washer pump motor.

Is the repair complete?

--

System OK

--

7

Repair the open in CKT 150 (BLK) from the windshield washer pump motor connector to ground.

Is the repair complete?

--

System OK

--

8

Replace the windshield wiper motor module.

Is the repair complete?

--

System OK

--

9

  1. Repair the open in CKT 96 (BRN) between the windshield wiper motor module connector to the windshield wiper/washer switch connector.
  2. If the wire is OK, replace the wiper/washer switch.

Is the repair complete?

--

System OK

--