HEATED WINDSHIELD DEFROSTER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

Use these procedures to troubleshoot the heated windshield defroster system.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage with the ignition switch off.

      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 WINDSHIELD DEICER SYSTEM


    1. Check if the windshield deicer system is functioning normally Click here.

      Result
      Result Proceed to
      Windshield deicer system is functioning normally A
      Windshield deicer system is not functioning normally B

      B

      Go to WINDSHIELD DEICER SYSTEM Click here

      A

  4. PROBLEM SYMPTOMS TABLE


    1. Refer to the 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

      ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
      A

  5. REPAIR OR REPLACE


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  6. CONFIRMATION TEST


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    END