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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 489 (Chassis Diagnostic Procedures - Anti-Lock Brake System) >> Diagnostic Information And Procedures >> Brakes (25E) - Symptoms >> Symptom: MIC MESSAGES NOT RECEIVED >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - MIC MESSAGES NOT RECEIVED

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII®, read BCM DTC's.
Are any Cluster Wakeup Output DTC's set?
Yes --> Refer to BODY DIAGNOSTIC PROCEDURES for problems related to the cluster wakeup circuit.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 2
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2 Turn the ignition on.
With the DRBIII®, erase DTC's.
With the DRBIII®, read DTC's.
Did this DTC reset?
Yes --> Go To 3
No --> The condition that caused this DTC is currently not present. Use the wiring diagrams/schematic as a guide, and inspect the related wiring harness for a possible intermittent.
Perform BODY VERIFICATION TEST - VER 1 .
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3 Turn the ignition on.
With the DRBIII®, attempt to communicate with the Instrument Cluster (MIC).
Was the DRBIII® able to I/D or communicate with the Instrument Cluster (MIC)?
Yes --> Go To 4
No --> Refer to the COMMUNICATION  category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1 .
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4 With the DRBIII®, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII®, read DTC's.
Did this DTC reset?
Yes --> Replace the module which set the DTC in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Test Complete.
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