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Home >> Lexus >> 2020 >> UX 250h Base >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System W/ Push-Button Start (Entry Function) (Diagnostic Codes & Symptom Tests) (Hybrid) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function, HV Model) >> Entry Unlock and Unlatch Functions do not Operate Using Kick Sensor [10/2018 - ] >> Procedure
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Entry Unlock and Unlatch Functions do not Operate Using Kick Sensor [10/2018 - ]: Procedure

  1. CHECK CUSTOMIZE SETTING (KICK SENSOR FUNCTION) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Customize Setting / PSD & PBD operation.

      PSD & PBD operation 

      Tester Display Description Default Setting ECU
      Kick Sensor Function Function that enables/disables the touchless power back door. ON 0:OFF, 1:ON Multiplex network door ECU

      Result

      Result Proceed to
      The customize setting is "ON" A
      The customize setting is "OFF" B

    Result: 

    PERFORM CUSTOMIZE SETTING. Refer to  CUSTOMIZE PARAMETERS [10/2018 - ] 

    Result: 

    See step  2

  2. CHECK OPERATION HISTORY 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Smart Access / Utility / Operation History.
      AUTO ENTRY WIRELESS OPERATION HISTORY

      Parameter Name Content
      Kick Sensor Open Request Signal The multiplex network door ECU receives kick detection signals from the kick door control sensor and sends certification requests to the certification ECU (smart key ECU assembly). If certification is OK, an open permission is sent to the multiplex network door ECU.

      Body Electrical > Smart Access > Utility 

      Tester Display
      Operation History

      Result

      Result Proceed to
      Not output A
      "Kick Sensor Open Request Signal" is output B

    Result: 

    GO TO POWER BACK DOOR SYSTEM. Refer to  PROBLEM SYMPTOMS TABLE [10/2018 - 07/2022]  , or refer to  PROBLEM SYMPTOMS TABLE [07/2022 - ] 

    Result: 

    See step  3

  3. CHECK ENTRY BACK DOOR OPEN FUNCTION 
    1. Check that the entry back door open function operates.

      Refer to OPERATION CHECK [10/2018 - 08/2021] , or refer to OPERATION CHECK [08/2021 - ]

      Result

      Result Proceed to
      Entry back door open function does not operate normally A
      Entry back door open function operates normally B

    Result: 

    GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function). Refer to  Back Door Entry Lock and Unlock Functions do not Operate [10/2018 - ]  

    Result: 

    GO TO POWER BACK DOOR SYSTEM (Power Back Door cannot be Operated Using Kick Sensor). Refer to  Power Back Door cannot be Operated Using Kick Sensor [10/2018 - 07/2022]  , or refer to  Power Back Door cannot be Operated Using Kick Sensor [07/2022 - ]