LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2016 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Power Window Control System - Diagnostic Codes & Symptom Tests (Model Code: ZRE172) >> Power Window Control System >> Symptom Tests >> Key-off Operation Function Operates even if Operating Conditions are not Satisfied [08/2013 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Key-off Operation Function Operates even if Operating Conditions are not Satisfied [08/2013 - ]: Procedure

  1. CHECK MANUAL UP / DOWN FUNCTION 
    1. Check that the manual up and down function using the power window regulator master switch assembly, power window regulator switch assembly or rear power window regulator switch assembly (for LH door or RH door) can operate the power windows.

      Refer to OPERATION CHECK [08/2013 - 08/2016] Refer to OPERATION CHECK [08/2016 - ]

      OK

      Manual up and down function is normal.

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table):  PROBLEM SYMPTOMS TABLE [08/2013 - 08/2016]  ,  PROBLEM SYMPTOMS TABLE [08/2016 - ] 

    Result:  1

    OK 

    See step  2

  2. CHECK REMOTE UP / DOWN FUNCTION 
    1. Check that the remote up and down function using the power window regulator master switch assembly can operate all the power windows.

      Refer to OPERATION CHECK [08/2013 - 08/2016] Refer to OPERATION CHECK [08/2016 - ]

      OK

      Remote up and down function is normal.

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table):  PROBLEM SYMPTOMS TABLE [08/2013 - 08/2016]  ,  PROBLEM SYMPTOMS TABLE [08/2016 - ] 

    Result:  1

    OK 

    See step  3

  3. CHECK KEY-OFF OPERATION FUNCTION 
    1. Check the key-off operation function.

      Refer to OPERATION CHECK [08/2013 - 08/2016] Refer to OPERATION CHECK [08/2016 - ]

      Result

      Result Proceed to
      Power window can still be operated even after opening driver door or front passenger door within approximately 43 seconds of ignition switch being turned off A
      Power window can still be operated even after approximately 43 seconds have elapsed after ignition switch is turned off (for All Doors) B
      Power window can still be operated even after approximately 43 seconds have elapsed after ignition switch is turned off (for Driver Door) C
      Power window can still be operated even after approximately 43 seconds have elapsed after ignition switch is turned off (for Front Passenger Door, Rear LH Door or Rear RH Door) D

    Result:  2

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [08/2013 - ] 

    Result:  3

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR):  REMOVAL [08/2013 - ] 

    Result:  4

    See step  5

    Result:  1

    See step  4

  4. READ VALUE USING TECHSTREAM (MAIN BODY) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Data List.
    5. Read the Data List according to the display on the Techstream.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      FR Door Courtesy SW Front door courtesy light switch RH OFF or ON OFF: Front door RH closed
      ON: Front door RH open
      -
      FL Door Courtesy SW Front door courtesy light switch LH OFF or ON OFF: Front door LH closed
      ON: Front door LH open
      -

      Body Electrical > Main Body > Data List 

      Tester Display
      FR Door Courtesy SW
      FL Door Courtesy SW

      OK

      On the Techstream screen, ON or OFF is displayed accordingly.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU):  REMOVAL [08/2013 - ] 

    Result:  2

    NG 

    GO TO LIGHTING SYSTEM (Proceed to Front Door Courtesy Switch Circuit):  Front Door Courtesy Switch Circuit [08/2013 - ] 

  5. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. Replace the main body ECU (multiplex network body ECU).

      Refer to REMOVAL [08/2013 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  6

  6. CHECK KEY-OFF OPERATION FUNCTION 
    1. Check the key-off operation function.

      Refer to OPERATION CHECK [08/2013 - 08/2016] Refer to OPERATION CHECK [08/2016 - ]

      OK

      Key-off operation function is normally.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE) 

    Result:  2

    NG 

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [08/2013 - ]