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Touching Unlock Sensor for Certain Period of Time does not Unlock All Doors [11/2023 - ]: Procedure

  1. CHECK POWER DOOR LOCK CONTROL SYSTEM 
    1. When the door control switch on the multiplex network master switch assembly is operated, check that the doors unlock and lock according to the switch operation.

      Refer to OPERATION CHECK [11/2023 - ]

      OK

      Door locks operate normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO POWER DOOR LOCK CONTROL SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

    Result: 

    OK 

    See step  2

  2. CHECK CUSTOMIZE SETTING (DOOR UNLOCK SENSOR TOUCH TIME ADJUST) 
    1. Read the customize setting according to the display on the GTS.

      Smart Key / Access 

      Tester Display Description Default Setting ECU
      Door Unlock Sensor Touch Time Adjust Function that sets the length of time the unlock sensor on the door outside handle assembly (for driver door) must be touched to unlock all of the doors.*1 Middle $00:OFF, $01:Short, $02:Middle, $03:Long Certification ECU (Smart key ECU assembly)
      Entry Unlock Twice Function Function that unlocks only the driver door when performing the entry unlock operation.*2 Enable $00:Disable, $01:Enable Main body ECU (Multiplex network body ECU)
      1. *1: When the following conditions are met, a short touch unlocks only the driver door, while a long touch unlocks all of doors.
        • "Door Unlock Sensor Touch Time Adjust" is set to other than "OFF"
        • "Entry Unlock Twice Function" is set to "Enable"*2
      2. *2: Customize settings cannot be selected from "Smart Key / Access" if the vehicle recognizes driver 1, 2 or 3 with the My Settings function. In that case, change the settings from "My Settings".

        Refer to CUSTOMIZE PARAMETERS [11/2023 - ]

      Result

      Result Proceed to
      When the following conditions are met: 
      • "Door Unlock Sensor Touch Time Adjust" is set to other than "OFF"
      • "Entry Unlock Twice Function" is set to "Enable"
      A
      Other than the above condition B

    Result: 

    PERFORM CUSTOMIZE SETTING 

    Refer to CUSTOMIZE PARAMETERS [11/2023 - ]

    Result: 

    See step  3

  3. READ VALUE USING GTS (DRIVER SIDE UNLOCK SENSOR) 
    1. Turn the ignition switch off.
    2. Open and close the driver door.
      GTY1008881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Unlock Sensor (Backside)

      The illustrations shown are examples only.

    3. With the electrical key transmitter sub-assembly outside of the vehicle, press the lock switch of the electrical key transmitter sub-assembly to lock all of the doors.
    4. Hold the electrical key transmitter sub-assembly at the same height as the door outside handle assembly and approximately 0.3 m (0.984 ft.) from the driver door.
    5. Check that the LED of the electrical key transmitter sub-assembly blinks.
    6. Read the Data List according to the display on the GTS.
    7. Touch the unlock sensor on the backside of the front door outside handle assembly (for driver door) for 2 seconds or more.*
      1. *: Perform this step 3 seconds or more after performing step (c).

      HINT: 

      When checking the operation of the unlock sensor again, make sure to perform the procedure from step (a).

      Body Electrical > Smart Key > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Driver Side Unlock Sensor Driver door touch sensor (unlock sensor) OFF or ON OFF: Driver door touch sensor (unlock sensor) not touched
      ON: Driver door touch sensor (unlock sensor) touched
      • Displays whether the unlock sensor is on or off (even if the sensor is touched and contact is maintained, "ON" is displayed only momentarily).
      • Use this Data List item to help determine if there is an unlock sensor malfunction when the entry unlock function does not operate.

      OK

      The GTS display changes correctly in response to the operation of the front door outside handle assembly (for driver door).

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

    Refer to REMOVAL [11/2023 - ]

    Result: 

    NG 

    REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY (FOR DRIVER DOOR) 

    Refer to DISASSEMBLY [11/2023 - ]