Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Turn ON the ignition, with the engine OFF.
2. Turn the front and rear windshield wiper washer switch OFF.

Do the windshield wipers remain in the park position?

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

Go to Step 3

Are the rear wipers always on?

Go to Step 4

Go to Step 7

1. The rear wipers are always ON.
2. Turn OFF the ignition.
3. Disconnect the rear wiper relay.
4. Turn ON the ignition, with the engine OFF.

Do the rear wipers remain in the park position?

Go to Step 5

Go to Step 6

1. Turn OFF the ignition.
2. Connect a test lamp between the rear window wiper relay control circuit and the accessory voltage side of the rear wiper relay.
3. Turn ON the ignition, with the engine OFF.

Does the test lamp illuminate?

Go to Step 8

Go to Step 15

Test the rear window wiper relay control circuit for a short to voltage.

Did you find and correct the condition?

Go to Step 19

Go to Step 16

1. The front wipers are always ON.
2. Turn OFF the ignition.
3. Disconnect the harness connector of the windshield wiper washer switch.
4. Turn ON the ignition, with the engine OFF.

Do the wipers stop?

Go to Step 11

Go to Step 10

1. Turn OFF the ignition.
2. Disconnect the harness connector C2 of the body control module (BCM).
3. Connect a test lamp from the rear window wiper switch signal 1 circuit and battery voltage at the BCM.
4. Turn ON the ignition, with the engine OFF.

Does the test lamp illuminate?

Go to Step 9

Go to Step 13

1. Turn OFF the ignition.
2. Disconnect the harness connector of the windshield wiper washer switch.
3. Test the rear window wiper switch signal 1 circuit for a short to voltage.

Did you find and correct the condition?

Go to Step 19

Go to Step 14

Test the windshield wiper motor high speed circuit and the windshield wiper motor low speed/mist circuit for a short to voltage.

Did you find and correct the condition?

Go to Step 19

Go to Step 16

1. Turn OFF the ignition.
2. Reconnect the windshield wiper washer switch connector.
3. Disconnect the BCM connector C2.
4. Turn ON the ignition, with the engine OFF.

Do the wipers stop?

Go to Step 13

Go to Step 12

Test the windshield wiper motor high speed circuit and the windshield wiper motor low speed/mist circuit for a short to voltage.

Did you find and correct the condition?

Go to Step 19

Go to Step 14

Inspect for poor connections at the BCM. 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 19

Go to Step 18

Inspect for poor connections at the windshield 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 19

Go to Step 17

Replace the rear wiper relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 19

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

Did you complete the replacement?

Go to Step 19

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Replace the windshield wiper washer switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 19

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Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 19

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2