Front Washer Pump Inoperative

FRONT WASHER PUMP INOPERATIVE





For a complete wiring diagram refer to Diagrams/Electrical





Diagnostic Test

1. FRONT WASHER PUMP





Turn the ignition off.

Disconnect the Front Washer Pump harness connector.

Turn the ignition on.

Using a 12-volt test light connected to ground, check the Front Washer Pump Driver circuit.

Actuate the Front Washers.

Does the test light illuminate brightly?

Yes

- Replace the Front Washer Pump.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 2

2. FRONT WASHER PUMP GROUND CIRCUIT OPEN





Turn the ignition off.

Disconnect the Front Washer Pump.

Using a 12-volt test light connected to 12-volts, check the Front Washer Pump Ground circuit.

Does the test light illuminate brightly?

Yes

- Go To 3

No

- Repair the Front Washer Pump Ground Circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

3. MULTIFUNCTION SWITCH





Turn the ignition off.

Disconnect the right side Multifunction Switch C2 harness connector.

Connect a jumper wire between the Fused Ignition Switch Output circuit and the Front Washer Pump Driver circuit in the Multifunction Switch harness connector.

Turn the ignition on.

Does the Front Washer Pump operate?

Yes

- Replace the Multifunction Switch.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 4

4. FRONT WASHER PUMP SENSE CIRCUIT OPEN





Turn the ignition off.

Disconnect the right side Multifunction Switch.

Disconnect the Body Control Module.

Measure the resistance of the Front Washer Pump Sense circuit.

Is the resistance above 5.0 ohms?

Yes

- Repair the Front Washer Pump Sense Circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 5

5. FRONT WASHER PUMP DRIVER CIRCUIT OPEN





Turn the ignition off.

Disconnect the Front Washer Pump.

Disconnect the Body Control Module from the Junction Block.

Measure the resistance of the Front Washer Pump Driver circuit.

Is the resistance above 5.0 ohms?

Yes

- Repair the Front Washer Pump Driver Circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 6

6. FUSED IGNITION SWITCH OUTPUT OPEN





Turn the ignition off.

Disconnect the Multifunction Switch.

Using a 12-volt test light connected to ground, check the Fused Ignition Switch Output circuit.

Does the test light illuminate brightly?

Yes

- Repair the Fused Ignition Switch Output circuit for an open. If the fuse is open make sure to check for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Replace the Body Control Module.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test