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Front Passenger Side Door Entry Unlock 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 unlock function.
      1. Turn the ignition switch off.
        GTY1009693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Unlock Sensor (Backside)

        The illustrations shown are examples only.

      2. Open and close the front passenger door.
      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 front passenger door.
      5. Check that the LED of the electrical key transmitter sub-assembly blinks.
      6. Touch the unlock sensor on the backside of the front door outside handle assembly (for front passenger door) for 2 seconds or more.*
        1. *: Perform this step 3 seconds or more after performing step (3).

        HINT: 

        When checking the operation of the unlock sensor again, make sure to perform the procedure from step (1).

      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 (FR DOOR LOCK POSITION SWITCH STATUS) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      FR Door Lock Position Switch Status Front door RH unlock detection switch signal Lock or Unlock Lock: Front door RH locked
      Unlock: Front door RH unlocked      		 -

      Body Electrical > Main Body > Data List 

      Tester Display
      FR Door Lock Position Switch Status

      OK

      The GTS display changes correctly in response to the lock/unlock operation of the front passenger door.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO LIGHTING SYSTEM (Proceed to Door Unlock Detection Switch Circuit). Refer to  Door Unlock Detection Switch Circuit [07/2020 - ] 

    Result: 

    OK 

    See step  4

  4. READ VALUE USING GTS (PASSENGER SIDE UNLOCK SENSOR) 
    1. Open and close the front passenger door.
      GTY1009693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Unlock Sensor (Backside)

      The illustrations shown are examples only.

    2. 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.
    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 passenger door.
    4. Check that the LED of the electrical key transmitter sub-assembly blinks.
    5. Read the Data List according to the display on the GTS.
    6. Touch the unlock sensor on the backside of the front door outside handle assembly (for front passenger door) for 2 seconds or more.*
      1. *: Perform this step 3 seconds or more after performing step (b).

      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
      Passenger Side Unlock Sensor Front passenger door touch sensor (unlock sensor) OFF or ON OFF: Front passenger door touch sensor (unlock sensor) not touched
      ON: Front passenger 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.

      Body Electrical > Smart Key > Data List 

      Tester Display
      Passenger Side Unlock Sensor

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

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

    Result: 

    NG 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - FRONT DOOR OUTSIDE HANDLE ASSEMBLY (FOR FRONT PASSENGER DOOR)) 
    1. Disconnect the E52 certification ECU (smart key ECU assembly) connector.
    2. Disconnect the G7 front door outside handle assembly (for front passenger door) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      E52-10 (CLG2) - G7-4 (ANT1) Always Below 1 Ω
      E52-9 (CG2B) - G7-6 (ANT2) Always Below 1 Ω
      E52-10 (CLG2) or G7-4 (ANT1) - Other terminals and body ground Always 10 kΩ or higher
      E52-9 (CG2B) or G7-6 (ANT2) - Other terminals and body ground Always 10 kΩ or higher
    4. Reconnect the G7 front door outside handle assembly (for front passenger door) connector.
    5. Reconnect the E52 certification ECU (smart key ECU assembly) connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. READ VALUE USING GTS (PASSENGER SIDE UNLOCK SENSOR) 
    1. Open and close the front passenger door.
      GTY1009693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Unlock Sensor (Backside)

      The illustrations shown are examples only.

    2. 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.
    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 passenger door.
    4. Check that the LED of the electrical key transmitter sub-assembly blinks.
    5. Read the Data List according to the display on the GTS.
    6. Touch the unlock sensor on the backside of the front door outside handle assembly (for front passenger door) for 2 seconds or more.*
      1. *: Perform this step 3 seconds or more after performing step (b).

      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
      Passenger Side Unlock Sensor Front passenger door touch sensor (unlock sensor) OFF or ON OFF: Front passenger door touch sensor (unlock sensor) not touched
      ON: Front passenger 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.

      Body Electrical > Smart Key > Data List 

      Tester Display
      Passenger Side Unlock Sensor

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (CONNECTOR WAS NOT CONNECTED SECURELY) 

    Result: 

    NG 

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

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