GM Service Manual Online
For 1990-2009 cars only

Wipers All Modes Inoperative P32 W/Pulse

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to the RUN position.
  2. With a test light, probe the wiper/washer provision connector, C 207 from cavity E to ground. Refer to Probing Electrical Connectors in Wiring Systems.

Does the test light illuminate?

--

Go to Step 3

Go to Step 2

2

Repair the open in CKT 143 (YEL) between the instrument panel fuse block, cavity G 1 and the wiper/washer provision connector, cavity E.

Is the repair complete?

--

System OK

--

3

  1. Backprobe the windshield wiper pulse control module with a J 39200 DMM from cavity D to B +.
  2. Measure the voltage.

Is the voltage more than the specified value?

10.0 V

Go to Step 5

Go to Step 4

4

Repair the open in CKT 250 (BLK) between the windshield wiper pulse control module, cavity D and G 200.

Is the repair complete?

--

System OK

--

5

  1. Backprobe the wiper/washer switch pigtail with a J 39200 DMM from cavity D to B +.
  2. Measure the voltage.

Is the voltage more than the specified value?

10.0 V

Go to Step 7

Go to Step 6

6

Replace the windshield wiper pulse control module.

Is the repair complete?

--

System OK

--

7

Replace the wiper/washer switch. Refer to Windshield Wiper and Washer Switch Assembly - Disassemble - Off Vehicle in Steering Wheel and Column-Tilt.

Is the repair complete?

--

System OK

--