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

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

    NEXT


    3.CHECK FOR DTC*

    1. Check for DTCs and make a note of any codes that are output.

    2. Clear the DTCs.

    3. Recheck for DTCs. Based on the DTCs output in the first step, try to force output of the same DTC by simulating the symptoms indicated by the DTC.
      Result 
      Result
      		Proceed to
      No DTCs output
      		A
      DTCs output
      		B
      LIN communication system DTCs are output
      		C



    		B.
    GO TO DIAGNOSIS TROUBLE CODE CHART (Click here)

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


    4.PROBLEM SYMPTOMS TABLE

    1. Refer to the Problem Symptoms Table (Click here).
      Result 
      Result
      		Proceed to
      Fault not listed in Problem Symptoms Table
      		A
      Fault listed in Problem Symptoms Table
      		B



    		B.
    Go to step 6
    A


    5.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Operation Check (Click here).

    2. Terminals of ECU (Click here).

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


    NEXT


    6.REPAIR OR REPLACEMENT

      Result 
      Result
      		Proceed to
      Door window regulator and power window regulator motor assembly is replaced or removed/installed.
      		A
      Door window regulator and power window regulator motor assembly is not replaced or removed/installed.
      		B


    		B.
    Go to step 8
    A


    7.RESET POWER WINDOW REGULATOR MOTOR

    1. If the power window regulator master switch AUTO light is blinking, reset the power window regulator motor (Click here).


    NEXT


    8.CONFIRMATION TEST

      NEXT

      END