Any Pci Bus Indicator Inoperative - Jeep Wrangler TJ 2006 Diagnostic Manual

Symptom:

*ANY PCI BUS INDICATOR INOPERATIVE

NO RESPONSE - PCI BUS
NO RESPONSE - INSTRUMENT CLUSTER
NO RESPONSE - POWERTRAIN CONTROL MODULE
INOPERATIVE INDICATOR
INSTRUMENT CLUSTER
TEST
1 Turn the ignition on.
With the DRBIII , select System Monitors, then J1850 Module Scan.
Does the DRBIII display MIC PRESENT on the Bus?
Yes → Go To 2
→ Refer to the COMMUNICATION category and perform the appro-
No
2 Turn the ignition on.
With the DRBIII , Select Body, MIC, then MODULE DISPLAY.
Does the DRBIII display NO RESPONSE from MIC?
Yes → Refer to the symptom list for problems related to *NO RE-
→ Go To 3
No
3 Turn the ignition on.
With the DRBIII , select Body, MIC, SYSTEM TESTS, PCM MONITOR.
Does the DRBIII display PCM INACTIVE on the BUS?
Yes → Refer to the symptom list for problems related to *NO RE-
→ Go To 4
No
4 NOTE: Diagnose and repair any PCM DTCs before proceeding with this test.
Perform the Instrument Cluster Self Test.
Observe the indicator in question during the Self Test.
Did the indicator illuminate?
Yes → Refer to the appropriate Service Information category to diagnose
→ Replace the Instrument Cluster in accordance with the Service
No
POSSIBLE CAUSES
ACTION
priate symptom.
Perform BODY VERIFICATION TEST - VER 1.
SPONSE FROM THE INSTRUMENT CLUSTER
Perform BODY VERIFICATION TEST - VER 1.
SPONSE FROM THE POWERTRAIN CONTROL MODULE
Perform BODY VERIFICATION TEST - VER 1.
the related system.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
153
APPLICABILITY
All
All
All
All