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 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 6

Go to Step 4

1. Disconnect the rear wiper motor connector.
2. Connect a test lamp from the rear washer control circuit terminal in the wiper motor 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 5

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 12

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 7

Go to Step 8

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 14

Go to Step 9

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

Is the repair complete?

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.

Is the repair complete?

Go to Step 16

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

Did you find and correct the conditon?

Go to Step 16

Go to Step 11

Replace the rear wiper motor. Refer to Rear Window Wiper Motor Replacement .

Is the repair complete?

Go to Step 16

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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 conditon?

Go to Step 16

Go to Step 13

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

Is the repair complete?

Go to Step 16

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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 conditon?

Go to Step 16

Go to Step 15

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

Is the repair complete?

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