GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

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Go to Step 2

Go to Wiper/Washer System Check

2

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

Is the measurement within the specified values?

10.5-15 V

Go to Step 3

Go to Step 5

3

Inspect for a short to voltage in CKT 91.

Was a short to voltage found?

--

Go to Step 6

Go to Step 4

4

Replace the wiper/washer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .

Is the replacement complete?

--

Go to Wiper/Washer System Check

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5

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

Is the measurement within the specified values?

10.5-15 V

Go to Step 7

Go to Step 8

6

Repair the short to voltage in CKT 91.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

7

Repair the short to voltage in CKT 92.

Is the repair complete?

--

Go to Wiper/Washer System Check

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8

Repair the short to voltage in CKT 196.

Is the repair complete?

--

Go to Wiper/Washer System Check

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