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Home >> Jeep >> 2004 >> Wrangler X, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Instrument Cluster >> Symptom: *ANY PCI BUS INDICATOR INOPERATIVE >> Diagnostic Procedure

Diagnostic Procedure

ANY PCI BUS INDICATOR INOPERATIVE - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII®, select System Monitors, then J1850 Module Scan.
Does the DRBIII® display MIC PRESENT on the Bus?
  1. Yes : Go To 2
  2. No : Refer to COMMUNICATION  and perform the appropriate symptom.

    Perform BODY VERIFICATION TEST .

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2 Turn the ignition on.
With the DRBIII®, Select Body, MIC, then MODULE DISPLAY.
Does the DRBIII® display NO RESPONSE from MIC?
  1. Yes : Refer to Symptom: *NO RESPONSE FROM INSTRUMENT CLUSTER .

    Perform BODY VERIFICATION TEST .

  2. No : Go To 3
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3 Turn the ignition on.
With the DRBIII®, select Body, MIC, SYSTEM TESTS, PCM MONITOR.
Does the DRBIII® display PCM INACTIVE on the BUS?
  1. Yes : Refer to for problems related to Symptom: *NO RESPONSE FROM PCM (PCI BUS) 

    Perform BODY VERIFICATION TEST .

  2. No : Go To 4
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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?
  1. Yes : Refer to the appropriate service information to diagnose the related system.

    Perform BODY VERIFICATION TEST .

  2. No : Replace the Instrument Cluster in accordance with the Service Information.

    Perform BODY VERIFICATION TEST .

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