ENTRY AND START SYSTEM(for Entry Function) Entry Unlock and Unlatch Functions do not Operate Using Emblem Sensor

DESCRIPTION

If the entry back door open function does not operate, there may be a communication problem between the certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU).

CAUTION / NOTICE / HINT

Note


  • The entry and start system (for Entry Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the entry and start system (for Entry Function) after confirming that the communication systems are functioning properly.

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  • When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

  • Before replacing the certification ECU (smart key ECU assembly), refer to Precaution.

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  • After repair, confirm that no DTCs are output.

PROCEDURE


  1. CHECK CUSTOMIZE SETTING (PBD/EMBLEM SENSOR FUNCTION)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Customize Setting / PSD & PBD operation.


      PSD & PBD operation
      Tester Display Description Default Setting ECU
      PBD/Emblem Sensor Function Function that enables/disables the power back door and rear emblem sensor assembly. PBD ON/Emblem ON 00:PBD OFF/Emblem OFF,01:PBD ON/Emblem OFF,10:PBD ON/Emblem ON Multiplex Network Door ECU
      Result:
      Result Proceed to
      The customize setting is "PBD ON/Emblem ON" A
      The customize setting is except "PBD ON/Emblem ON" B

    B
    A
  2. CHECK ENTRY UNLOCK FUNCTION


    1. Close the back door and lock all of the doors.

    2. While carrying the electrical key transmitter sub-assembly, press the open switch of the back door opener switch assembly and check that the back door unlocks and unlatches.

      Result
      Result Proceed to
      Back door unlocks and unlatches A
      Back door unlocks but does not unlatch B
      Back door does not unlock C

    A
    B
    C