ENGINE IMMOBILISER SYSTEM (w/ Entry and Start System) > HOW TO PROCEED WITH TROUBLESHOOTING



  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE

  4. ENGINE SWITCH ON (IG)

  5. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

  6. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

  7. CHECK FOR DTCS (ENTRY AND START SYSTEM)*

  8. CHECK FOR DTCS (ECD SYSTEM OR SFI SYSTEM)*

  9. PROBLEM SYMPTOMS TABLE

  10. OVERALL ANALYSIS AND TROUBLESHOOTING*

  11. ADJUST, REPAIR OR REPLACE

  12. CONFIRMATION TEST