Diagnostic Test

TEST FOR INTERMITTENT CONDITION
Turn the ignition on.

With the scan tool, record and erase DTC's

Operate the Passenger Window up and down several times.

Wait 30 seconds.

With the scan tool, read DTC's.

Does the scan tool display B1863-PASSENGER WINDOW POSITION SENSOR POWER SUPPLY LOW?

Yes
1. Go To 2.
No
1. The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. Perform BODY VERIFICATION TEST .
WINDOW MOTOR OPEN OR SHORTED

Fig 1: Measuring Voltage Between Ground And (Q306) Passenger Window Hall Sensor Supply Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Passenger Window Motor connector.

Turn the ignition on.

Measure the voltage between ground and the (Q306) Passenger Window Hall Sensor Supply circuit.

Is the voltage above 10.5.volts?

Yes
1. Replace the Window Motor in accordance with service information.
2. Perform BODY VERIFICATION TEST .
No
1. Go To 3.
(Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO GROUND

Fig 2: Measuring Resistance Between Ground And Passenger Window Hall Sensor Supply Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Passenger Door Module C2 connector.

Measure the resistance between Ground and the (Q306) Passenger Window Hall Sensor Supply circuit.

Is the resistance below 1000.0 ohms?

Yes
1. Repair the (Q306) Passenger Window Hall Sensor Supply circuit for a short to ground.
2. Perform BODY VERIFICATION TEST .
No
1. Go To 4.
(Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT OPEN

Fig 3: Measuring Resistance Of (Q306) Passenger Window Hall Sensor Supply Circuit Between Passenger Window Motor Connector And Passenger Door Module C2 Connector
Courtesy of CHRYSLER LLC

Measure the resistance of the (Q306) Passenger Window Hall Sensor Supply circuit between the Passenger Window Motor connector and the Passenger Door Module C2 connector.

Is the resistance below 5.0 ohms?

No
1. Repair the (Q306) Passenger Window Hall Sensor Supply circuit for an open.
2. Perform BODY VERIFICATION TEST .
Yes
1. Replace the Passenger Door Module in accordance with service information.
2. Perform BODY VERIFICATION TEST .