Diagnostic Test

1) INTERMITTENT CONDITION
Turn the ignition on.

With the Scan Tool, clear all FCM DTC's.

Turn the Wipers on.

With the Scan Tool, read the Wiper DTC's.

Does the Scan Tool read: B2304-WIPER PARK SWITCH INPUT CIRCUIT LOW?

Yes
1. Go to 2).
No
1. The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
2. Perform BODY VERIFICATION TEST .
2) WIPER MOTOR

Fig 1: Identifying Windshield Wiper Motor Connector
Courtesy of CHRYSLER LLC

With the scan tool, erase DTCs.

Turn the ignition off.

Disconnect the Front Wiper Motor harness connector.

Turn the ignition on.

Wait 30 seconds

With the scan tool, read DTCs.

Does the Scan Tool read: B2305-WIPER PARK SWITCH INPUT CIRCUIT HIGH?

Yes
1. Replace the Front Wiper Motor in accordance with the service information.
2. Perform BODY VERIFICATION TEST .
No
1. Go to 3).
3) (W7) FRONT WIPER MOTOR PARK SWITCH SENSE CIRCUIT SHORT TO GROUND

Fig 2: Checking Front Wiper Motor Park Switch Sense Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the IPM C1 harness connector.

Measure the resistance between ground and the (W7) Front Wiper Park Switch Sense circuit.

Is the resistance below 5.0 ohms?

Yes
1. Repair the (W7) Front Wiper Park Switch Sense circuit for a short to ground condition.
2. Perform BODY VERIFICATION TEST .
No
1. Replace the Front Control Module in accordance with the service information.
2. Perform BODY VERIFICATION TEST .