GM Service Manual Online
For 1990-2009 cars only

Wipers Delay Mode Inoperative Rear

Step

Action

Value(s)

Yes

No

DEFINITION : Use this diagnostic table only if the rear wipers operate in the standard operating mode.

1

Did you perform the Rear Wiper/Washer System Check?

--

Go to Step 2

Go to Wiper/Washer System Check

2

  1. Turn the ignition switch to the RUN position.
  2. Connect a J 35616-200 between the rear window wiper/washer switch cavity D, and ground.
  3. Move the switch to DELAY.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Disconnect the rear window wiper/washer module.
  2. Connect a J 35616-200 between cavity B and ground.
  3. Move the switch to DELAY.

Did the test lamp light?

--

Go to Step 5

Go to Step 6

4

Replace the rear window wiper/washer switch.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

5

Replace the rear window wiper/washer module. Refer to Rear Window Wiper Motor Replacement .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

6

Repair the open in CKT 391 (GRY) between the rear window wiper/washer module and the rear window wiper/washer switch. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

Wipers Delay Mode Inoperative Front

Step

Action

Value(s)

Yes

No

1

Did you perform the Front Wipers/Washers System Check?

--

Go to Step 2

Go to Wiper/Washer System Check

2

  1. Disconnect the windshield wiper/washer switch connector C266.
  2. Place the windshield wiper switch in the LO position.
  3. Connect a J 39200 digital multimeter (DMM) between cavity E5 for CKT 96 (BRN) and cavity E4 for CKT 143 (YEL) at the windshield wiper/washer switch.

Is the resistance near or equal to the specified value?

680 ohms

Go to Step 3

Go to Step 5

3

With DMM still connected, move the windshield wiper/washer switch through the delay range to the maximum delay position while observing the meter.

Do the readings increase in steps to the approximate value?

450 k ohms

Go to Step 4

Go to Step 5

4

  1. Repair the open in CKT 96 (BRN) or CKT 143 (YEL) between the wiper/washer switch connector and the windshield wiper motor module. Refer to Wiring Repairs in Wiring Systems.
  2. If the wires are OK, replace the windshield wiper motor module. Refer to Windshield Wiper Motor Replacement .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

5

Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Is the repair complete?

--

Go to Wiper/Washer System Check

--