Diagnostic Test

1) FAULT DESCRIPTION
NOTE: Ensure that the Washer Fluid reservoir is filled and the Fluid Level Switch connector is properly connected before proceeding with this test.

Turn the ignition on and wait approximately 1 minute.

Is the LOWASH message always displayed?

Yes
1. Go To step 2).
No
1. Go To step 3).
2) WASHER FLUID LEVEL SWITCH ALWAYS CLOSED

Fig 1: Washer Fluid Level Switch Harness Connector
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Washer Fluid Level Switch harness connector.

Turn the ignition on and wait approximately 1 minute.

Does the VF display: LOWASH?

Yes
1. Repair the Low Washer Fluid Sense circuit for a short to ground.
2. Perform BODY VERIFICATION TEST .
No
1. Replace the Washer Fluid Level Switch in accordance with the Service Information.
2. Perform BODY VERIFICATION TEST .
3) WASHER FLUID LEVEL SWITCH ALWAYS OPEN

Fig 2: Connecting Jumper Wire Between Cavity 1 And Cavity 2
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Washer Fluid Level Switch harness connector.

Connect a jumper wire between cavity 1 and cavity 2.

Turn the ignition on and wait approximately 1 minute.

Does the VF display: LOWASH?

Yes
1. Replace the Washer Fluid Level Switch in accordance with the Service Information.
2. Perform BODY VERIFICATION TEST .
No
1. Go To step 4).
4) WASHER FLUID LEVEL SWITCH

Fig 3: Measuring Resistance Between Ground And Washer Fluid Level Switch Ground Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Washer Fluid Level Switch harness connector.

Measure the resistance between ground and the (Z931) Washer Fluid Level Switch Ground circuit.

Is the resistance below 5.0 ohms?

Yes
1. Go To step 5).
No
1. Repair the Washer Fluid Level Switch Ground circuit for an open.
2. Perform BODY VERIFICATION TEST .
5) (W1) LOW WASHER FLUID SENSE CIRCUIT OPEN

Fig 4: Measuring Resistance Of Low Washer Fluid Sense Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Washer Fluid Level Switch harness connector.

Disconnect the Instrument Cluster harness connector.

Measure the resistance of the (W1) Low Washer Fluid Sense circuit.

Is the resistance below 5.0 ohms?

Yes
1. Replace and configure the Instrument Cluster in accordance with the Service Information.
2. Perform BODY VERIFICATION TEST .
No
1. Repair the (W1) Low Washer Fluid Sense circuit for an open.
2. Perform BODY VERIFICATION TEST .