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Home >> Toyota >> 2021 >> Venza LE >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Key System (For Entry Function) - Symptom Tests (2 Of 2) >> SMART KEY SYSTEM (for Entry Function) >> Rear Door RH Entry Lock Function does not Operate [07/2020 - ] >> Procedure
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Rear Door RH Entry Lock Function does not Operate [07/2020 - ]: 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 [07/2020 - ]

      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 [07/2020 - ] 

    Result: 

    OK 

    See step  2

  2. CHECK ENTRY OPERATION 
    1. Check the entry lock function.
      1. Turn the ignition switch off.
        GTY1009627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Lock Sensor

        The illustrations shown are examples only.

      2. Open and close the front rear door RH.
      3. 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 front rear door RH.
      4. Touch the lock sensor of the rear door outside handle assembly (groove on the rear door outside handle) with 2 or more fingers for 2 seconds or more.

        HINT: 

        • If the door does not lock even when touching the lock sensor for 2 seconds or more, touch it with your palm.
        • When checking the operation of the lock sensor again, make sure to perform the procedure from step (1).
        • When checking the operation of the entry lock function several times, it can be operated up to 2 times consecutively. To operate the function 3 times or more consecutively, the doors need to be unlocked once. However, this is only for the entry lock function, other door lock operations, such as a wireless door lock operation can be performed consecutively.

      Result

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

    Result: 

    B 

    GO TO CHECK FOR INTERMITTENT PROBLEMS (VEHICLE CONTROL HISTORY (ROB)). Refer to  CHECK FOR INTERMITTENT PROBLEMS [07/2020 - ] 

    Result: 

    A 

    See step  3

  3. READ VALUE USING GTS (REAR PASSENGER SIDE LOCK SENSOR) 
    1. Open and close the front rear door RH.
      GTY1009627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock Sensor

      The illustrations shown are examples only.

    2. 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 front rear door RH.
    3. Read the Data List according to the display on the GTS.
    4. Touch the lock sensor of the rear door outside handle assembly (groove on the rear door outside handle) with 2 or more fingers for 2 seconds or more.

      HINT: 

      • If the door does not lock even when touching the lock sensor for 2 seconds or more, touch it with your palm.
      • When checking the operation of the lock sensor again, make sure to perform the procedure from step (a).
      • When checking the operation of the entry lock function several times, it can be operated up to 2 times consecutively. To operate the function 3 times or more consecutively, the doors need to be unlocked once. However, this is only for the entry lock function, other door lock operations, such as a wireless door lock operation can be performed consecutively.

      Body Electrical > Smart Key > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Rear Passenger Side Lock Sensor Rear door RH touch sensor (lock sensor) OFF or ON OFF: Rear door RH touch sensor (lock sensor) not touched
      ON: Rear door RH touch sensor (lock sensor) touched
      • Displays whether the lock 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 a lock sensor malfunction when the entry lock function does not operate.

      Body Electrical > Smart Key > Data List 

      Tester Display
      Rear Passenger Side Lock Sensor

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [07/2020 - ] 

    Result: 

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - REAR DOOR OUTSIDE HANDLE ASSEMBLY (FOR FRONT PASSENGER SIDE)) 
    1. Disconnect the K6 certification ECU (smart key ECU assembly) connector.
    2. Disconnect the H7 rear door outside handle assembly (for front passenger side) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K6-14 (CLG4) - H7-4 (ANT1) Always Below 1 Ω
      K6-13 (CG4B) - H7-6 (ANT2) Always Below 1 Ω
      K6-14 (CLG4) or H7-4 (ANT1) - Other terminals and body ground Always 10 kΩ or higher
      K6-13 (CG4B) or H7-6 (ANT2) - Other terminals and body ground Always 10 kΩ or higher
    4. Reconnect the H7 rear door outside handle assembly (for front passenger side) connector.
    5. Reconnect the K6 certification ECU (smart key ECU assembly) connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. READ VALUE USING GTS (REAR PASSENGER SIDE LOCK SENSOR) 
    1. Open and close the front rear door RH.
      GTY1009627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock Sensor

      The illustrations shown are examples only.

    2. 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 front rear door RH.
    3. Read the Data List according to the display on the GTS.
    4. Touch the lock sensor of the rear door outside handle assembly (groove on the rear door outside handle) with 2 or more fingers for 2 seconds or more.

      HINT: 

      • If the door does not lock even when touching the lock sensor for 2 seconds or more, touch it with your palm.
      • When checking the operation of the lock sensor again, make sure to perform the procedure from step (a).
      • When checking the operation of the entry lock function several times, it can be operated up to 2 times consecutively. To operate the function 3 times or more consecutively, the doors need to be unlocked once. However, this is only for the entry lock function, other door lock operations, such as a wireless door lock operation can be performed consecutively.

      Body Electrical > Smart Key > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Rear Passenger Side Lock Sensor Rear door RH touch sensor (lock sensor) OFF or ON OFF: Rear door RH touch sensor (lock sensor) not touched
      ON: Rear door RH touch sensor (lock sensor) touched
      • Displays whether the lock 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 a lock sensor malfunction when the entry lock function does not operate.

      Body Electrical > Smart Key > Data List 

      Tester Display
      Rear Passenger Side Lock Sensor

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (CONNECTOR WAS NOT CONNECTED SECURELY) 

    Result: 

    NG 

    REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY (FOR FRONT PASSENGER SIDE). Refer to  DISASSEMBLY [07/2020 - 12/2021]  , or refer to  DISASSEMBLY [12/2021 - 10/2022]  , or refer to  DISASSEMBLY [10/2022 - ] 

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