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 Wiper/Washer System Check

2

  1. Set the ignition switch to RUN.
  2. Set the wiper switch to OFF.
  3. Disconnect the wiper/washer switch connector C203.

Does the wiper keep running?

--

Go to Step 5

Go to Step 3

3

Inspect for a short circuit condition in the pigtail wires to the wiper/washer switch.

Is a short circuit condition present?

--

Go to Step 12

Go to Step 4

4

Replace the wiper/washer switch.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

5

Measure the voltage from connector C203 (vehicle side), terminal B, to ground using a J 39200 .

Is the measurement greater than the specified value?

1.0 V

Go to Step 9

Go to Step 6

6

  1. Reconnect the wiper/washer switch connector C203.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from wiper motor connector, terminal C, to ground using a J 39200 .

Is battery voltage present?

10.5-15 V

Go to Step 7

Go to Step 8

7

Repair the short circuit to battery voltage condition in CKT 92.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

8

Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

9

  1. Reconnect the wiper/washer switch connector C203.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from wiper motor connector, terminal D, to ground using a J 39200 .

Is the measurement greater than the specified value?

1.0 V

Go to Step 11

Go to Step 10

10

Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

11

Repair the short circuit to battery voltage condition in CKT 113.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

12

Repair the short circuit condition.

Is the repair complete?

--

Go to Wiper/Washer System Check

--