WINDOW DEFOGGER SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:
  • Use the following procedure to troubleshoot the window defogger system.

  • *: Use the GTS.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

    Result

    Proceed to

    NEXT

    NEXT
  2. CUSTOMER PROBLEM ANALYSIS

    Tip:
    • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

    • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

    • The following 5 items are important points for problem analysis:

      What

      Vehicle model, system name

      When

      Date, time, occurrence frequency

      Where

      Road conditions

      Under what conditions?

      Driving conditions, weather conditions

      How did it happen?

      Problem symptoms

    Result

    Proceed to

    NEXT

    NEXT
  3. PRE-CHECK

    1. Measure the battery voltage.

      Standard Voltage

      11 to 14 V

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

    2. Check the fuses and relays.

    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

    Result

    Proceed to

    NEXT

    NEXT
  4. PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table.

      Click here

    Result

    Result

    Proceed to

    Fault is not listed in Problem Symptoms Table

    A

    Fault is listed in Problem Symptoms Table

    B

    B

    REPAIR OR REPLACEClick here

    A
  5. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Operation Check

      Click here

    2. Terminals of ECU

      Click here

    3. On-vehicle Inspection

      Click here

    Result

    Proceed to

    NEXT

    NEXT
  6. REPAIR OR REPLACE

    Result

    Proceed to

    NEXT

    NEXT
  7. CONFIRMATION TEST

    Result

    Proceed to

    NEXT

    NEXT

    END