Jeep Wrangler TJ. Manual — part 25
Symptom:
*CHIME INOPERATIVE WITH KEY IN IGNITION, DRIVER’S DOOR
OPEN
POSSIBLE CAUSES
OPEN DOOR AJAR GROUND CKT
OPEN/MISSING FUSE 4
DRIVER DOOR AJAR SWITCH
DOOR AJAR SWITCH OUTPUT CIRCUIT OPEN
DRIVER DOOR AJAR SWITCH SENSE CIRCUIT OPEN
INSTRUMENT CLUSTER - DOOR AJAR
IGNITION SWITCH GROUND CIRCUIT OPEN
KEY-IN IGNITION SWITCH OPEN
KEY-IN IGNITION SWITCH SENSE CIRCUIT OPEN
INSTRUMENT CLUSTER - KEY-IN
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
Open the driver door.
With the DRB, read the
9DR DOOR AJAR SW9 state.
Does the DRB display
9DR DOOR AJAR SW: CLOSED9?
All
Yes
→ Go To 2
No
→ Go To 6
2
Turn the ignition off.
Disconnect the Ignition Switch harness connector.
Note: Ensure the key is in the Ignition Switch Lock Cylinder.
Measure the resistance of the Key-in Ignition Switch with the key in.
Is the resistance below 20 ohms?
All
Yes
→ Go To 3
No
→ Check the Ignition Lock Cylinder for damage. If OK, replace the
Ignition Switch.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Ignition Switch harness connector.
Measure the resistance of the ground circuit in the ignition switch harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
97
CHIME
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Ignition Switch harness connector.
Remove the Instrument Cluster from the I/P.
Measure the resistance of the Key-in Ignition Switch Sense circuit between the
ignition switch harness connector and the Instrument Cluster C2 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the key-in ignition switch sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster in accordance with the Service
Information..
Perform BODY VERIFICATION TEST - VER 1.
6
Gain access to the Fuse Block Fuse #4 and inspect.
Was the fuse missing or open?
All
Yes
→ Replace Fuse.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
7
Using a 12-volt Test Light connected to 12-volts, test the Ground circuit at fuse #4 for
continuity.
Does the light illuminate?
All
Yes
→ Go To 8
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
8
Reinstall fuse if removed in previous test.
Disconnect the Driver Door Ajar Switch connector.
With the DRBIII
t in Inputs/Outputs, read the DRV DR AJAR SW state.
Connect a jumper wire between Sense circuit and the Output circuit.
Does the DRBIII
t display DRV DR AJAR SW: CLOSED?
All
Yes
→ Replace the Driver Door Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 9
9
Disconnect the Driver Door Ajar Switch connector.
Measure the resistance of the Door Ajar Output from the ajar switch to the fuse.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 10
No
→ Repair the Door Ajar Switch Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
98
CHIME
*CHIME INOPERATIVE WITH KEY IN IGNITION, DRIVER’S DOOR
OPEN —
Continued
TEST
ACTION
APPLICABILITY
10
Remove the Instrument Cluster from the I/P.
Disconnect the Driver Door Ajar Switch connector.
Measure the resistance of the Driver Door Ajar Switch Sense circuit from the Driver
Door Ajar switch to the Instrument Cluster C2 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 11
No
→ Repair the Driver Door Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
11
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
99
CHIME
*CHIME INOPERATIVE WITH KEY IN IGNITION, DRIVER’S DOOR
OPEN —
Continued
Symptom:
*CHIME SOUNDS WITH DRIVER SEAT BELT FASTENED
POSSIBLE CAUSES
SEAT BELT SWITCH STATUS WRONG
SEAT BELT SWITCH OPEN
GROUND WIRE OPEN
SEAT BELT SWITCH SENSE OPEN
INSTRUMENT CLUSTER - SEAT BELT SENSE OPEN
TEST
ACTION
APPLICABILITY
1
Ensure the drivers seat belt is fastened.
With the DRB III select: Electro Mech Cluster Input/Outputs.
Turn the ignition on.
Read the Driver Belt SW status.
Does the DRB III show Driver Belt SW: CLOSED?
All
Yes
→ Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Disconnect the Seat Belt Switch connector.
Turn all interior lights off.
Measure the resistance of the Ground circuit in the Seat Belt Switch connector to
ground.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 3
No
→ Repair the open Ground wire.
Perform BODY VERIFICATION TEST - VER 1.
3
Disconnect the Seat Belt Switch connector.
Connect a jumper wire between Seat Belt Switch Sense circuit and the Ground
circuit in the Seat Belt Switch connector.
With the DRB III select: Electro Mech Cluster Input/Outputs.
Turn the ignition on.
Read the Driver Belt SW status.
Does the DRB III show Driver Belt SW: CLOSED?
All
Yes
→ Repair Seat Belt switch pigtail wiring or replace Buckle assembly.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Remove the Instrument Cluster from the instrument panel.
Disconnect the Seat Belt Switch connector.
Measure the resistance of the Seat Belt Switch Sense circuit between the Instrument
Cluster C2 connector and the Seat Belt Switch connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the open Seat Belt Switch Sense wire.
Perform BODY VERIFICATION TEST - VER 1.
100
CHIME
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