Schematic Reference: Wiper/Washer Schematics

Connector End View Reference: Wiper/Washer Connector End Views

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 ON the ignition, with the engine OFF.
2. Operate 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 in Wiring Systems

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 of the windshield wiper motor to a good ground.

Does the test lamp illuminate?

Go to Step 4

Go to Step 13

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 14

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

Does the test lamp illuminate?

Go to Step 11

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, with the engine OFF.
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 12

Go to Step 7

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

Did you find and correct the condition?

Go to Step 18

Go to Step 8

Test the signal 1 circuit of the windshield wiper/washer switch for a short to ground. Refer to Circuit Testing or Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 9

Test the signal 2 circuit of the windshield wiper/washer switch for an open or a short to ground. Refer to Circuit Testing or Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 10

Test the high speed circuit of the windshield wiper/washer switch for a short to ground. Refer to Circuit Testing or Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 15

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 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 in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 17

Repair an open or a short to ground in the accessory voltage circuit of the windshield wiper motor. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 18

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Repair an open or high resistance in the ground circuit of the windshield wiper motor. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 18

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Repair a short to ground in the control circuit of the windshield washer pump. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 18

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Replace the windshield wiper motor module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

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 in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 18

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3