2007 Liberty KJ Factory Service Manual 8 - ELECTRICAL

*RIGHT REAR DOOR AJAR CIRCUIT OPEN





For a complete wiring diagram Refer to Section 8W.

Theory of Operation


The scan tool will display the door state NOT the switch state. It will display as True/False. True states that the door is ajar (open). False states that the door is NOT ajar (closed).



Possible Causes
  
RIGHT REAR DOOR AJAR SWITCH GROUND CIRCUIT OPEN
  
(G76) RIGHT REAR DOOR AJAR SWITCH SENSE CIRCUIT OPEN
  
DOOR LOCK MOTOR/AJAR SWITCH
  
BODY CONTROL MODULE
  



Diagnostic Test

1. OPEN RIGHT REAR DOOR AJAR SWITCH GROUND CIRCUIT



Disconnect the Right Rear Door Lock Motor/Ajar switch connector.
Using a 12-volt Test Light connected to 12-volts, test the Ground circuit.

Does the test light illuminate brightly?

Yes


No

2. CHECK FOR OPEN RIGHT FRONT DOOR AJAR SWITCH



With the scan tool in Data Display, read the RIGHT REAR DOOR AJAR SW state.
Connect a jumper wire between the Sense circuit and the Ground circuit.

Does the scan tool display RIGHT REAR DOOR AJAR SW: TRUE?

Yes


No

3. CHECK FOR OPEN (G76) RIGHT REAR DOOR AJAR SWITCH SENSE CIRCUIT



Turn the ignition off.
Leave the jumper wire from the previous step connected.
Disconnect the Body Control Module C1 harness connector.
Measure the resistance between ground and the (G76) Right Rear Door Ajar Switch Sense circuit in the BCM C1 connector.

Is the resistance below 5.0 ohms?

Yes


No