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. Disconnect wiper motor connector C1.
  2. Set the ignition switch to ON.
  3. Set the wiper switch to OFF.
  4. Measure the voltage from wiper motor connector C1, terminal B, to ground using a J 39200 .

Is the measurement within the specified range?

10.5-15 volts

Go to Step 3

Go to Step 6

3

Check for a short circuit to battery voltage condition in CKT 91.

Is a short circuit condition present?

--

Go to Step 4

Go to Step 5

4

Repair the short circuit to battery condition in CKT 91.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

5

Replace the wiper/washer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

6

  1. Disconnect wiper motor connector C2.
  2. Measure the voltage from wiper motor connector C2, terminal A, to ground using a J 39200 .

Is the measurement within the specified range?

10.5-15 volts

Go to Step 7

Go to Step 10

7

Check for a short circuit to battery voltage condition in CKT 92.

Is a short circuit condition present?

--

Go to Step 8

Go to Step 9

8

Repair the short circuit to battery condition in CKT 92.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

9

Replace the wiper/washer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

10

Check for a short circuit to battery voltage condition in CKT 196.

Is a short circuit condition present?

--

Go to Step 11

Go to Step 12

11

Repair the short circuit to battery condition in CKT 196.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

12

Replace the wiper motor. Refer to Windshield Wiper Motor Replacement

Is the repair complete?

--

Go to Wiper/Washer System Check

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