Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn ON the ignition, with the engine OFF.
2. Turn the windshield wiper/washer switch through all the switch positions.

Does the windshield wiper/washer system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

1. Turn OFF the ignition.
2. Disconnect the harness connector of the windshield wiper motor.
3. Turn ON the ignition, with the engine OFF.
4. Connect a test lamp from the accessory voltage circuit to the ground circuit of the windshield wiper motor.

Does the test lamp illuminate?

Go to Step 5

Go to Step 4

Connect a test lamp from the accessory voltage circuit of the windshield wiper motor to a good ground.

Does the test lamp illuminate?

Go to Step 15

Go to Step 7

1. Connect the test lamp from the windshield wiper switch signal 2 circuit to a good ground.
2. Press the windshield washer switch.

Does the test lamp illuminate?

Go to Step 13

Go to Step 6

1. Turn OFF the ignition.
2. Disconnect the harness connector of the windshield wiper/washer switch.
3. Turn ON the ignition.
4. Connect a test lamp from the accessory voltage circuit of the windshield wiper/washer switch to a good ground.

Does the test lamp illuminate?

Go to Step 14

Go to Step 9

Test the windshield wiper motor accessory voltage circuit for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs .

Did you find and correct the condition?

Go to Step 18

Go to Step 8

Test the windshield washer pump control circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs .

Did you find and correct the condition?

Go to Step 18

Go to Step 13

Test the windshield wiper/washer switch accessory voltage circuit for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs .

Did you find and correct the condition?

Go to Step 18

Go to Step 10

Test the windshield wiper motor high speed circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs .

Did you find and correct the condition?

Go to Step 18

Go to Step 11

Test the windshield wiper switch signal 1 circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs .

Did you find and correct the condition?

Go to Step 18

Go to Step 12

Test the windshield wiper switch signal 2 circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs .

Did you find and correct the condition?

Go to Step 18

Go to Step 13

Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs .

Did you find and correct the condition?

Go to Step 18

Go to Step 16

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

Did you find and correct the condition?

Go to Step 18

Go to Step 17

Repair the windshield wiper motor ground circuit for an open or high resistance. Refer to Wiring Repairs and to Connector Repairs .

Did you complete the repair?

Go to Step 18

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

Did you complete the replacement?

Go to Step 18

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

Did you complete the replacement?

Go to Step 18

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3