Jeep Liberty KJ. Manual — part 58
INTERNAL MODULE FAILURE
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With ignition on.
•
Set Condition:
The instrument cluster detects an internal failure.
Possible Causes
INSTRUMENT CLUSTER
Diagnostic Test
1.
INSTRUMENT CLUSTER
With the scan tool, erase DTCs.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
With the scan tool, read DTCs.
When this code is set, the Instrument Cluster must be replaced.
Yes
>> Replace the Instrument Cluster in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Test Complete.
8J - 38
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
KJ
NO ABS BUS MESSAGES RECEIVED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition in the Run/Start position.
•
Set Condition:
The Instrument Cluster detects no ABS bus messages for 6 continuous seconds. The cluster will illuminate the
ABS warning indicator.
Possible Causes
NO RESPONSE - PCI BUS - CAB MODULE
INTERMITTENT CONDITION
Diagnostic Test
1.
NO RESPONSE - PCI BUS - CAB MODULE
Turn the ignition on.
With the scan tool, attempt to communicate with the CAB module.
Was the scan tool able to I/D or communicate with the CAB module?
Yes
>> The condition is not present at this time. Monitor scan tool parameters while wiggling the related wire
harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wir-
ing harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Refer to the COMMUNICATION category for the related symptom(s). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES - DIAGNOSIS AND TESTING)
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
KJ
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
8J - 39
NO BCM BUS MESSAGES RECEIVED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition in the Run/Start position.
•
Set Condition:
The Instrument Cluster detects no BCM bus message for 6 seconds.
Possible Causes
NO RESPONSE - PCI BUS - BCM
INTERMITTENT CONDITION
Diagnostic Test
1.
NO RESPONSE - PCI BUS - BCM
Turn the ignition on.
With the scan tool, attempt to communicate with the BCM.
Was the scan tool able to I/D or communicate with the BCM?
Yes
>> The condition is not present at this time. Monitor scan tool parameters while wiggling the related wire
harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wir-
ing harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Refer to the COMMUNICATION category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
8J - 40
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
KJ
NO EVIC/TPM BUS MESSAGES RECEIVED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition in the Run/Start position.
•
Set Condition:
The Instrument Cluster detects no EVIC/TPM bus messages for 6 seconds.
Possible Causes
NO RESPONSE - EVIC/TPM
INTERMITTENT CONDITION
Diagnostic Test
1.
NO RESPONSE - EVIC/TPM
Turn the ignition on.
With the scan tool, attempt to communicate with the EVIC/TPM.
Was the scan tool able to I/D or communicate with the EVIC/TPM?
Yes
>> The condition is not present at this time. Monitor scan tool parameters while wiggling the related wire
harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wir-
ing harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Refer to the COMMUNICATION category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
KJ
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
8J - 41
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