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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Body Diagnostic Procedures) >> Diagnostic Information And Procedures >> Power Door Locks/RKS >> Symptom: *FLIP-UP GLASS RELEASE INOPERATIVE >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - FLIP-UP GLASS RELEASE INOPERATIVE

TEST ACTION APPLICABILITY
1 With the DRBIII® in Inputs/Outputs, read the FLIP-UP GLASS REL SW state.
Observe the DRBIII® and move the tailgate handle from open to close positions.
Does the DRBIII® display OPEN then CLOSED as the handle is moved?
Yes --> Go To 2
No --> Go To 6
All
2 Disconnect the Flip-Up Glass Release Motor connector.
Connect a 12-volt test light between the Flip-Up Glass Release Motor Driver circuit and the ground circuit in the motor connector.
With the DRBIII®, actuate the RELEASE FLIP-UP GLASS.
Does the test light illuminate brightly when the motor is actuated?
Yes --> Replace the Flip-Up Glass Release Motor.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 3
All
3 Disconnect the Flip-Up Glass Release Motor connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit in the motor connector.
Does the test light illuminate brightly?
Yes --> Go To 4
No --> Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .
All
4 Turn the ignition off.
Disconnect the Flip-Up Glass Release Motor connector.
Connect a jumper wire between Flip-Up Glass Release Motor Driver circuit and ground in the motor connector.
Disconnect the Body Control Module C1 connector.
Measure the resistance between ground and the Flip-Up Glass Release Motor Driver circuit.
Is the resistance below 5.0 ohms?
Yes --> Go To 5
No --> Repair the Flip-Up Glass Release Motor Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .
All
5 If there are no possible causes remaining, view repair.
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1  .
All
6 Remove the tailgate trim panel.
Disconnect the Flip-Up Glass Release Switch. connector.
Connect a jumper wire between Flip-Up Glass Release Switch. circuit and Tailgate Switch Ground circuit in the switch connector.
With the DRBIII® in Inputs/Outputs, read the Flip-Up Glass Rel Sw state.
Does the DRBIII® display CLOSED?
Yes --> Replace the Flip-Up Glass Release Switch.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 7
All
7 Remove the tailgate trim panel.
Disconnect the Flip-Up Glass Release Switch. connector.
Using a 12-volt test light connected to 12-volts, check the Tailgate Switch Ground circuit.
Does the test light illuminate brightly?
Yes --> Go To 8
No --> Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .
All
8 Remove the tailgate trim panel.
Disconnect the Flip-Up Glass Release Switch. connector.
Connect a jumper wire between Flip-Up Glass Release Switch. Sense circuit and ground.
Disconnect the Body Control Module C1 connector.
Measure the resistance between ground and the Flip-Up Glass Release Switch Sense circuit.
Is the resistance below 5.0 ohms?
Yes --> Go To 9
No --> Repair the Flip-Up Glass Release Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .
All
9 If there are no possible causes remaining, view repair.
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1  .
All