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Home >> Lexus >> 2021 >> NX 300 Base, FWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System (W/ Push Button (For Entry Function)) - Symptom Tests >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (For Entry Function) >> Entry Lock Function does not Operate Using Close & Lock Function [09/2017 - ] >> Procedure
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Entry Lock Function does not Operate Using Close & Lock Function [09/2017 - ]: Procedure

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

      Body Electrical > Smart Access > Utility 

      Tester Display
      Operation History
      AUTO ENTRY WIRELESS OPERATION HISTORY

      Parameter Name Content
      Back Door Lock & Close signal Certification ECU (smart key ECU assembly) confirmed the back door lock & close signal.

      Result

      Result Proceed to
      Not output A
      "Back Door Lock & Close signal" is output B

    Result: 

    GO TO POWER BACK DOOR SYSTEM. Refer to  PROBLEM SYMPTOMS TABLE [09/2017 - ] 

    Result: 

    See step  2

  2. CHECK ENTRY BACK DOOR OPEN FUNCTION 
    1. While carrying the electrical key transmitter sub-assembly, check that the entry unlock function operates when the back door opener switch is operated.

      Refer to OPERATION CHECK [09/2017 - ]

      Result

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

    Result: 

    GO TO POWER BACK DOOR SYSTEM (Ciose & Lock Function does not Operate). Refer to  Close & Lock Function does not Operate [09/2017 - ] 

    Result: 

    GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (Back Door Entry Lock and Unlock Functions do not Operate). Refer to  Back Door Entry Lock and Unlock Functions do not Operate [10/2014 - 01/2019]  , or refer to  Back Door Entry Lock and Unlock Functions do not Operate [01/2019 - ]