NAVIGATION SYSTEM (for HDD) > HOW TO PROCEED WITH TROUBLESHOOTING



  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT AUXILIARY BATTERY VOLTAGE

  3. DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION

  4. OPERATION CHECK

  5. CHECK CAN COMMUNICATION SYSTEM*

  6. CHECK FOR DTC*

  7. DTC CLEAR*

  8. RECHECK FOR DTC*

  9. DIAGNOSTIC TROUBLE CODE CHART

  10. CHECK HARD DISK DRIVE

  11. PROBLEM SYMPTOMS TABLE

  12. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

  13. CHECK CIRCUIT

  14. RECHECK FOR DIAGNOSTIC TROUBLE CODE

  15. PERFORM CONFIRMATION TEST