Schematic Reference: Wiper/Washer Schematics

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

Go to Step 2

Go to Symptoms - Wiper/Washer Systems

1. Turn the ignition on.
2. Turn the windshield wiper/washer switch through all the switch positions.

Does the windshield wiper/washer system operate normal?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Disconnect the windshield wiper motor connector.
2. Connect a test lamp from the windshield wiper motor connector pulse delay signal circuit terminal to ground.
3. Turn the ignition on.
4. Press the windshield washer switch.

Does the test lamp illuminate?

Go to Step 4

Go to Step 6

Connect a test lamp from the windshield wiper motor connector accessory voltage supply circuit terminal to ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 8

Connect a test lamp from the windshield wiper motor connector accessory voltage supply circuit terminal to the ground circuit terminal.

Does the test lamp illuminate?

Go to Step 12

Go to Step 9

Test and repair the windshield wiper switch pulse delay signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 7

Test and repair the accessory voltage supply circuit to the windshield wiper/washer switch for an open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 10

Repair the accessory voltage supply circuit for an open or high resistance. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Is the repair complete?

Go to Step 13

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Repair the windshield wiper motor ground circuit for an open or high resistance. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Is the repair complete?

Go to Step 13

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Test and repair the windshield wiper switch pulse delay signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 11

Replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column-Tilt or Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column-Standard.

Is the repair complete?

Go to Step 13

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

Is the repair complete?

Go to Step 13

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3