Power Window Control System (For Hatchback) How To Proceed With Troubleshooting

Vehicle Exterior. Yaris. Ncp93, 131
Window Glass. Yaris. Ncp93, 131

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE

  4. PROBLEM SYMPTOMS TABLE

  5. OVERALL ANALYSIS AND TROUBLESHOOTING*

  6. REPAIR OR REPLACE

  7. CONFIRMATION TEST

Power Window Control System (For Hatchback) -- How To Proceed With Troubleshooting


HINT:
  1. Use the following procedure to troubleshoot the power window control system.
  2. *: Use the Techstream.


1.VEHICLE BROUGHT TO WORKSHOP

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    2.CUSTOMER PROBLEM ANALYSIS
      1. 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.
      2. Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
      3. The following 5 items are important points in the 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

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    3.INSPECT 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.

    NEXT


    4.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (YARIS_NCP93 RM0000011UY07KX.html).

      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. Operation Check (YARIS_NCP93 RM00000168109SX.html).

    2. Data List / Active Test (YARIS_NCP93 RM0000011V106FX.html).

    3. Terminals of ECU (YARIS_NCP93 RM00000133906OX.html).


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    6.REPAIR OR REPLACE

      NEXT


      7.CONFIRMATION TEST

        NEXT

        END