2007 Liberty KJ Factory Service Manual 8 - ELECTRICAL

*RIGHT FRONT DOOR AJAR CIRCUIT SHORT TO GROUND





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
 
(G74) RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORT TO GROUND
 
DOOR LOCK MOTOR/AJAR SWITCH
 
BODY CONTROL MODULE
 




Diagnostic Test

1. CHECK FOR SHORTED DOOR AJAR SWITCH



NOTE: For the Right Front Door Ajar state the scan tool will read “PASS” for RHD.


With the scan tool in Data Display, read the RIGHT FRONT DOOR AJAR SW state.
Disconnect the Door Lock Motor/Ajar Switch connector.

Does the scan tool display RIGHT FRONT DOOR AJAR SW: FALSE?

Yes


No

2. CHECK FOR (G74) RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORT TO GROUND



Turn the ignition off.
Disconnect the Body Control Module C1 harness connector.
Measure the resistance between ground and the (G74) Right Front Door Ajar Switch Sense circuit in the BCM C1 connector.

Is the resistance below 1000.0 ohms?

Yes


No