WINDOW DEFOGGER SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use these procedures to troubleshoot the window defogger system.
  2. *: Use the intelligent tester.



1.VEHICLE BROUGHT TO WORKSHOP

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    2.INSPECT BATTERY VOLTAGE

      Standard voltage:
      11 to 14 V

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

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    3.CHECK LIN COMMUNICATION SYSTEM

    1. Check if the LIN communication system is functioning normally.
      Result 
      Result
      		Proceed to
      LIN communication system is normal
      		A
      LIN communication system is not normal
      		B



    		B.
    GO TO LIN COMMUNICATION SYSTEM (Click here)
    A


    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.
    Go to step 6
    A


    5.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Terminals of ECU (Click here).

    2. Data List/Active Test (Click here).


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    6.REPAIR OR REPLACE

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      7.CONFIRMATION TEST

        NEXT

        END