Schematic Reference: Wiper/Washer Schematics

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

Go to Step 2

Go to Wiper/Washer Schematics

1. Turn the ignition on.
2. Turn the rear wiper/washer switch to the off position.

Is the rear wiper always on?

Go to Step 3

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

1. Disconnect the rear wiper motor module switch input connector.
2. Turn the rear wiper/washer switch to the off position.
3. Connect a test lamp from the rear wiper/washer switch delay/on signal circuit terminal in the harness connector to ground.
4. Turn the ignition on.

Does the test lamp illuminate?

Go to Step 4

Go to Step 5

Test and repair the rear wiper/washer switch delay/on signal circuit for a short to voltage.

Did you find and correct the condition?

Go to Step 9

Go to Step 6

1. Reconnect the rear wiper motor module switch input connector.
2. Turn the ignition on.
3. Turn the rear wiper/washer switch to the off position.
4. Backprobe the rear wiper motor park switch signal circuit terminal E with a test lamp connected to ground.

Is the test lamp off when the wiper arm is in the park position?

Go to Step 8

Go to Step 7

Replace the rear wiper/washer switch. Refer to Accessory Switch Replacement in Instrument Panel, Gauges, and Console.

Is the repair complete?

Go to Step 9

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Replace the rear wiper motor module.

Is the repair complete?

Go to Step 9

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Replace the rear wiper motor. Refer to Liftgate Wiper Motor Replacement .

Is the repair complete?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3