Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2002LIBERTY LIMITED EDITION 2WD V6-3.7L VIN KREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONBODY CONTROL SYSTEMFUNCTIONAL OPERATIONDOOR AJAR SYSTEM
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN K
Door Ajar System
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN KSECTION Door Ajar System
DOOR AJAR SYSTEM
The door ajar, tailgate and flip-up glass ajar states are used as inputs for the Body Control Module (BCM). The BCM uses these inputs to determine exactly what position the doors, tailgate and flip-up glass are in. The DRB III will display the state of the door ajar, tailgate ajar and flip-up glass ajar switches in Input/Outputs. It's important to note, that when any door, the tailgate or flip-up glass is closed the switch state on the DRB III will show OPEN. When any door, the tailgate or flip-up glass is open the switch state on the DRB III will show CLOSED. During diagnosis, if a door, the tailgate or flip-up glass is closed and the DRB III displays the switch state as CLOSED, it indicates a shorted ajar circuit. If a door, the tailgate or flip-up glass is open and the DRB III displays the switch state as OPEN, it indicates an open ajar circuit.
The door ajar switches are located in the door latch assemblies.
The door ajar, tailgate and flip-up glass ajar states are used as inputs for the Body Control Module (BCM). The BCM uses these inputs to determine exactly what position the doors, tailgate and flip-up glass are in. The DRB III will display the state of the door ajar, tailgate ajar and flip-up glass ajar switches in Input/Outputs. It's important to note, that when any door, the tailgate or flip-up glass is closed the switch state on the DRB III will show OPEN. When any door, the tailgate or flip-up glass is open the switch state on the DRB III will show CLOSED. During diagnosis, if a door, the tailgate or flip-up glass is closed and the DRB III displays the switch state as CLOSED, it indicates a shorted ajar circuit. If a door, the tailgate or flip-up glass is open and the DRB III displays the switch state as OPEN, it indicates an open ajar circuit.
The door ajar switches are located in the door latch assemblies.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.