GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Component Connector End Views

1

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

Go to Step 2

Go to Diagnostic Starting Point - Wiper/Washer Systems

2

  1. Disconnect the wiper/washer switch connector.
  2. Turn the ignition switch ON, engine OFF.

Is the washer still ON?

Go to Step 3

Go to Step 4

3

Repair the short to ground condition in the washer control circuit between the wiper/washer switch and the washer pump. Refer to Wiring Repairs .

Is the repair complete?

Go to Step 5

--

4

Replace the wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement .

Is the replacement complete?

Go to Step 5

--

5

  1. Turn the ignition switch ON, engine OFF.
  2. Operate the washer pump.

Does the washer pump operate properly?

System OK

--