Schematic Reference: Wiper/Washer Schematics

Did you review the 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 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 11

Go to Step 4

Test the windshield washer pump ground 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 15

Go to Step 5

1. Disconnect the inline harness connector C112.
2. Test the windshield washer pump control circuit in the body harness 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 15

Go to Step 6

1. Connect a test lamp from the windshield wiper switch signal 2 circuit terminal in the C112 body harness connector half to ground.
2. Turn the ignition ON.
3. Press the windshield washer switch.

Does the test lamp illuminate?

Go to Step 8

Go to Step 7

Test the windshield wiper switch signal 2 circuit in the body harness for high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 9

1. Disconnect the windshield wiper motor connector.
2. Test the windshield wiper switch signal 2 and washer pump control circuits in the wiper motor harness for high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 13

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 15

Go to Step 10

Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column.

Is the repair complete?

Go to Step 15

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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 15

Go to Step 12

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

Is the repair complete?

Go to Step 15

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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 15

Go to Step 14

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

Is the repair complete?

Go to Step 15

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3