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. Press the windshield washer switch.

Do the windshield washers operate normally?

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

Go to Step 3

1. Disconnect the windshield washer pump connector.
2. Connect a test lamp across the washer pump connector terminals.
3. Turn the ignition ON.
4. Press the windshield washer switch.

Does the test lamp illuminate?

Go to Step 7

Go to Step 4

Test the windshield washer pump control and ground circuits 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 13

Go to Step 5

1. Disconnect the windshield wiper motor connector.
2. Connect a test lamp from the windshield wiper switch 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 9

Go to Step 6

Test the windshield wiper switch pulse delay signal 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 13

Go to Step 11

Inspect for poor connections at the windshield 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 13

Go to Step 8

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

Is the repair complete?

Go to Step 13

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Inspect for poor connections at the windshield wiper motor. 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 13

Go to Step 10

Replace the windshield wiper motor module. Refer to Windshield Wiper System Module Replacement .

Is the repair complete?

Go to Step 13

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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 13

Go to Step 12

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

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