Click here

WINDOW DEFOGGER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Click here
Click here Click here
Tip:

  • Use these procedures to troubleshoot the window defogger system.

  • *: Use the intelligent tester.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.


    1. Using the intelligent tester, inspect battery voltage reduction history "Battery Voltage Lo Record" in the Data List (Click here).


      • NEXT
  3. Click here

    CHECK LIN COMMUNICATION SYSTEM*


    1. Check if the LIN communication system is functioning normally.

      OK
      LIN DTC is not output.

      • NG
      • Go to LIN COMMUNICATION SYSTEM (See pageClick here)
      • OK
  4. Click here

    PROBLEM SYMPTOMS TABLE


    1. Refer to the Problem Symptoms Table (Click here).

      Table 1. Result
      Result Proceed to
      Fault is not listed in problem symptoms table A
      Fault is listed in problem symptoms table B

      • B
      • Go to step 6
      • A
  5. Click here

    OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU (Click here)

    2. Data List / Active Test (Click here)


      • NEXT
  6. Click here

    REPAIR OR REPLACE


    • NEXT
  7. Click here

    CONFIRMATION TEST


    • NEXT
    • END