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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Lin Communication System (Except Hybrid) - Diagnostic Codes >> LIN COMMUNICATION SYSTEM (for Gasoline Model) >> DTC B2785: Communication Malfunction between ECUs Connected by LIN [06/2018 - 09/2022] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Before performing the inspection, check that DTC B2786 or B278C is not output.

    Refer to DTC CHECK / CLEAR [06/2018 - ]

  • When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus Body Electrical Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
  • Before replacing the certification ECU (smart key ECU assembly), ID code box (immobiliser code ECU) or steering lock ECU (steering lock actuator or upper bracket assembly), refer to Registration.

    Refer to REGISTRATION [06/2018 - 10/2019] , or refer to REGISTRATION [10/2019 - 08/2020] , or refer to REGISTRATION [08/2020 - 09/2022]