POWER WINDOW CONTROL SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


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



1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.INSPECT BATTERY VOLTAGE

      Standard voltage:
      11 to 14 V

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


    NEXT


    3.INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
    1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

    2. Result 
      Result
      Proceed to
      MPX DTC is not output
      A
      MPX DTC is output
      B


    B.
    Go to MULTIPLEX COMMUNICATION SYSTEM
    A


    4.PROBLEM SYMPTOMS TABLE
      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. Data List/Active Test (Click here).

    2. On-vehicle Inspection (Click here).

    3. Terminals of ECU (Click here).


    NEXT


    6.ADJUST, REPAIR OR REPLACE

      NEXT


      7.CONFIRMATION TEST

        NEXT


        8.RESET POWER WINDOW MOTOR
        1. If a power window switch AUTO light is blinking, reset the power window motor (Click here).


        NEXT

        END