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 or Wiper/Washer System Check

2

Does the wiper motor operate in LO?

--

Go to Step 3

Go to Wipers Low Mode Inoperative, High Mode Operates

3

Inspect the wiper motor for a bent drive pawl or excessive output shaft end play.

Did you find a bent drive pawl or excessive end play?

--

Go to Step 5

Go to Step 4

4

Replace the park switch. Refer to Wiper Motor Park Switch Replacement .

Did you complete the repair?

--

Go to Wiper/Washer System Check or Wiper/Washer System Check

--

5

Replace the wiper motor. Refer to Windshield Wiper Motor Replacement ..

Did you complete the repair?

--

Go to Wiper/Washer System Check or Wiper/Washer System Check

--