Jeep Liberty KJ. Manual — part 267
3.
VERIFY THAT THE DTC IS STILL ACTIVE
Turn the ignition off.
Replace and program the SKREEM/SKIM in accordance with the Service Information.
Turn the ignition on.
With the scan tool, erase all PCM and SKREEM/SKIM DTCs.
Perform 5 ignition key cycles leaving the ignition key on for 90 seconds per cycle.
With the scan tool, check for SKREEM/SKIM DTCs.
Did this DTC reset?
Yes
>> Replace and program the PCM in accordance with the Service Information.
Perform SKIS VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STAN-
DARD PROCEDURE).
No
>> The repair is complete.
Perform SKIS VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY - STAN-
DARD PROCEDURE).
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VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
KJ
*ALARM TRIPS ON ITS OWN
For a complete wiring diagram Refer to Section 8W
Possible Causes
VTSS RELATED WIRING
IGNITION RUN RUN/START
DOOR
HOOD SECURITY SWITCH
FLIPPER GLASS
LIFTGATE/SWINGATE
INTRUSION TRANSCEIVER MODULE (ITM)
Diagnostic Test
1.
CHECK THE LAST ALARM CAUSED BY STATE WITH THE SCAN TOOL
Turn the ignition on.
With the scan tool in BCM, select Data Display and look for any of the following VTA Triggers indicated as causing
the symptom:
•
Ignition Run Run/Start
•
Front driver door
•
Hood Security Switch
•
Flipper Glass
•
Liftgate/Swingate Ajar
•
All other door
•
ITM
Does the scan tool indicate that any of the above triggered the VTA?
Yes
>> Check for a possible intermittent condition caused by the trigger displayed on scan tool.
Perform VTSS VERIFICATION TEST - 1A. (Refer to VTSS VERIFICATION TEST - 1A - STANDARD
PROCEDURE) in this Section.
No
>> Go To 2
2.
INSPECT FOR A HOOD AJAR
Is this an export vehicle equipped with a hood ajar switch?
Yes
>> Go To 3
No
>> Go To 4
3.
ATTEMPT TO TRIP THE ALARM VIA THE HOOD AJAR SWITCH
Remove the ignition key (but keep in hand).
Lock the vehicle and close all doors, the liftgate, and the hood.
Allow the VTSS to arm.
Lightly tap on hood near ajar switch to simulate wind and noise vibration.
Did the VTSS trip to the alarming state?
Yes
>> Replace the hood ajar switch in accordance with the Service Information.
Perform VTSS VERIFICATION TEST - 1A. (Refer to VTSS VERIFICATION TEST - 1A - STANDARD
PROCEDURE) in this Section.
No
>> Go To 4
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VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
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4.
TEST FOR AN INTERMITTENT CONDITION
NOTE: The condition that caused the alarm is not present at this time. The following list may help you in
identifying the cause of the intermittent condition.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect related wiring harnesses. Look for chafed, pierced, pinched, or partially broken wires.
Visually inspect the related wiring harness connectors. Look for loose connections, broken, bent, pushed out, or
corroded terminals.
Were any of the above conditions present?
Yes
>> Repair as necessary.
Perform VTSS VERIFICATION TEST - 1A. (Refer to VTSS VERIFICATION TEST - 1A - STANDARD
PROCEDURE) in this Section.
No
>> Test Complete.
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VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
KJ
*DRIVER DOOR DOES NOT TRIP VTSS
For a complete wiring diagram Refer to Section 8W
Possible Causes
DRIVER DOOR AJAR CIRCUIT
BODY CONTROL MODULE (BCM)
Diagnostic Test
1.
CHECK DRIVER DOOR AJAR SWITCH FUNCTION
Verify that the lighting control on the multi-function switch is not in the Interior Lamps Defeat position.
Open the driver door while observing the interior lamps.
Close the driver door while observing the interior lamps.
Do the interior lamps function correctly with regard to the door position?
Yes
>> Go To 2
No
>> (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - INTERIOR - DIAGNOSIS AND TESTING) for Ajar
Switch related diagnostic procedures.
2.
CHECK DRIVER DOOR AJAR SWITCH STATUS WITH THE SCAN TOOL
NOTE: The VTSS must arm properly for the result of this test to be valid.
Turn the ignition on.
Open the driver door.
With the scan tool in BCM, select Data Display and read the Door Ajar Switch status for the driver door.
Does the scan tool display: CLOSED?
Yes
>> Replace and program the BCM in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE).
No
>> (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - INTERIOR - DIAGNOSIS AND TESTING) for Ajar
Switch related diagnostic procedures.
KJ
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
8Q - 47
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