Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

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

1. Turn the ignition ON, engine OFF.
2. Turn the wiper switch to the LO, HI, and INT positions.

Do the front wipers operate in the LO, HI, and INT positions?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Do the wipers operate in the LO and HI position, but not the INT position?

Go to Step 6

Go to Step 4

1. Disconnect the wiper motor.
2. Turn the ignition ON, engine OFF.
3. Turn the wiper switch to the affected speed.
4. With a test lamp connected to a good ground, test the corresponding voltage supply circuit at the wiper motor connector for ignition positive voltage.

Does the test lamp illuminate?

Go to Step 7

Go to Step 5

1. Turn the wiper switch to the affected speed.
2. With a test lamp connected to a good ground, test the corresponding voltage supply circuit at the wiper/washer switch for ignition positive voltage.

Does the test lamp illuminate?

Go to Step 8

Go to Step 6

Inspect for poor connections at the harness connector of the wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 11

Go to Step 9

Inspect for poor connections at the harness connector of the wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 11

Go to Step 10

Repair the high resistance or open condition in the voltage supply circuit to the wiper motor. Refer to Wiring Repairs .

Did you complete the repair?

Go to Step 11

--

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

Did you complete the replacement?

Go to Step 11

--

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

Did you complete the replacement?

Go to Step 11

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3