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Home >> Jeep >> 2004 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Instrument Cluster >> Symptom: *ALL GAUGES INOPERATIVE >> Diagnostic Procedure

Diagnostic Procedure

ALL GAUGES 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, MODULE DISPLAY.
Does the DRBIII® display NO RESPONSE from MIC?
  1. Yes : Refer to symptom *NO CLUSTER BUS MESSAGE in COMMUNICATION .

    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 the symptom list 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 Turn the ignition off.
Inspect the #10 Fuse in the Fuse Block.
If the fuse is open, replace with proper rated fuse.
Turn the ignition on for one minute.
Turn the ignition off.
Inspect the #10 Fuse in the Fuse Block.
Is the fuse open?
  1. Yes : Repair the Fused Ignition Switch Output circuit for a short to ground.

    Perform BODY VERIFICATION TEST .

  2. No : Go To 5
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5 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Check connectors - Clean/repair as necessary.
Turn the ignition on.
Measure the voltage between the Fused Ignition Switch Output circuit and ground.
Is the voltage above 10.5 volts?
  1. Yes : Go To 6
  2. No : Repair the Fused Ignition Switch Output circuit for an open.

    Perform BODY VERIFICATION TEST .

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6 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Instrument Cluster Ground circuit.
Is the resistance below 5.0 ohms?
  1. Yes : Replace and configure the Instrument Cluster in accordance with the Service Information.

    Perform BODY VERIFICATION TEST .

  2. No : Repair the Instrument Cluster Ground circuit for an open.

    Perform BODY VERIFICATION TEST .

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