2007 Grand Cherokee WK Factory Service Manual 8 - ELECTRICAL

B1863-PASSENGER WINDOW POSITION SENSOR POWER SUPPLY LOW - PDM





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
(Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO GROUND
 
(Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT OPEN
 
WINDOW MOTOR OPEN OR SHORTED
 
PASSENGER DOOR MODULE (PDM)
 




Diagnostic Test

1. 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


No

2. WINDOW MOTOR OPEN OR SHORTED



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


No

3. (Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT SHORT TO GROUND



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


No

4. (Q306) PASSENGER WINDOW HALL SENSOR SUPPLY CIRCUIT OPEN



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


Yes