Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

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

Go to Step 2

Go to Symptoms - Wiper/Washer Systems

1. Turn the ignition ON.
2. Press the rear washer switch.

Does the rear washer operate normally?

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

Go to Step 3

Does the rear wiper motor operate when the washer switch is pressed?

Go to Step 5

Go to Step 4

1. Disconnect the rear wiper motor module switch input connector.
2. Connect a test lamp from the rear washer control circuit terminal in the wiper motor module harness connector to a good ground.
3. Turn the ignition ON.
4. Press the rear washer switch.

Does the test lamp illuminate when the rear washer switch is pressed?

Go to Step 10

Go to Step 7

1. Disconnect the rear washer pump connector.
2. Connect a test lamp from the rear washer control circuit terminal in the washer pump harness connector to a good ground.
3. Turn the ignition ON.
4. Press the rear washer switch.

Does the test lamp illuminate when the rear washer switch is pressed?

Go to Step 6

Go to Step 11

1. Connect a test lamp from the rear washer control circuit terminal to the ground circuit terminal in the washer pump harness connector.
2. Press the rear washer switch.

Does the test lamp illuminate when the rear washer switch is pressed?

Go to Step 8

Go to Step 12

Test the rear washer control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 16

Go to Step 9

Inspect for poor connections at the rear washer pump. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 16

Go to Step 13

Inspect for poor connections at the rear wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 16

Go to Step 14

Inspect for poor connections at the rear wiper motor module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 16

Go to Step 15

Repair the rear washer control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 16

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Repair the rear washer pump ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 16

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Replace the rear washer pump. Refer to Washer Pump Replacement .

Did you complete the replacement?

Go to Step 16

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Replace the rear wiper/washer switch. Refer to Instrument Cluster Trim Panel Replacement in Instrument Panel, Gages, and Console.

Did you complete the replacement?

Go to Step 16

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

Did you complete the repair?

Go to Step 16

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3