AIR CONDITIONING SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING



  1. VEHICLE BROUGHT TO WORKSHOP

  2. CHECK AND CLEAR DTCS

  3. PROBLEM SYMPTOM CONFIRMATION

  4. SYMPTOM SIMULATION

  5. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM

  6. CHECK CAN COMMUNICATION SYSTEM

  7. DTC CHECK (OTHER THAN MULTIPLEX DTC)

  8. DTC CHART

  9. PROBLEM SYMPTOMS TABLE

  10. ACTUATOR CHECK

  11. CIRCUIT INSPECTION

  12. TERMINALS OF ECU

  13. IDENTIFICATION OF PROBLEM

  14. REPAIR OR REPLACE

  15. CONFIRMATION TEST