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.
2. Press the front 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. Turn OFF the ignition.
2. Disconnect the harness connector of the windshield washer fluid pump.
3. Turn ON the ignition, with the engine OFF.
4. Connect a test lamp from the control circuit to the ground circuit of the windshield washer fluid pump.
5. Press the front windshield wiper/washer switch.

Does the test lamp illuminate?

Go to Step 7

Go to Step 4

1. Connect a test lamp from the control circuit of the windshield washer fluid pump to a good ground.
2. Press the front windshield washer switch.

Does the test lamp illuminate?

Go to Step 5

Go to Step 6

Test the ground circuit between the windshield washer fluid pump and the windshield wiper/washer switch and between the windshield wiper/washer switch and G304. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 8

Test the control circuit of the windshield washer fluid pump. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 9

Inspect for poor connections at the windshield washer fluid 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 10

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 11

Inspect for poor connections at the body control module (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 13

Go to Step 12

Replace the windshield washer fluid pump motor. Refer to Washer Pump/Reservoir Replacement .

Did you complete the replacement?

Go to Step 13

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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 13

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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 13

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2