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How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. (SEE  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
  3. PROBLEM SYMPTOM CONFIRMATION (SEE  PROBLEM SYMPTOMS TABLE   ) 
  4. CHECK MULTIPLEX COMMUNICATION SYSTEM (SEE  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    1. Check for DTC outputs

    MULTIPLEX DTC OUTPUTS (PROCEED TO " MULTIPLEX COMMUNICATION SYSTEM  ") 

    NO MULTIPLEX DTC (GO TO STEP 5) 

  5. CHECK CAN COMMUNICATION SYSTEM (SEE  DIAGNOSTIC TROUBLE CODE CHART  ) 
    1. Check for DTC outputs

    CAN DTC OUTPUTS (PROCEED TO " CAN COMMUNICATION SYSTEM  ") 

    NO CAN DTC (GO TO STEP 6) 

  6. CIRCUIT INSPECTION (SEE  ENTIRE COMBINATION METER DOES NOT OPERATE   TO  OPERATING LIGHT CONTROL RHEOSTAT DOES NOT CHANGE LIGHT BRIGHTNESS   ) 
  7. REPAIR OR REPLACE 
  8. CONFIRMATION TEST 

    END