GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the Wiper/Washer System Circuit Description and perform the necessary inspections?

--

Go to Step 2

Go to Symptoms

2

  1. Turn the ignition to the ON position.
  2. Disconnect wiper/washer switch connector C201C.

Does the washer pump continue to run?

--

Go to Step 4

Go to Step 3

3

Replace the wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Is the replacement complete?

--

Go to Step 7

--

4

Remove the W/W PMP fuse.

Does the washer pump continue to run?

--

Go to Step 5

Go to Step 6

5

Repair the short to voltage in CKT 228.

Is the repair complete?

--

Go to Step 7

--

6

Repair the short to voltage in CKT 94.

Is the repair complete?

--

Go to Step 7

--

7

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Symptoms