DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Lin Communication System - Diagnostic Codes >> Lin Communication System >> DTC B2785: Communication Malfunction between ECUs Connected by LIN [10/2021 - 11/2023] >> 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 [12/2019 - 11/2023]

  • When using the GTS with the ignition 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 / Smart Key. 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) or ID code box (immobiliser code ECU) refer to Registration.

    for HV Model: Refer to REGISTRATION [10/2021 - 11/2023]

    for Gasoline Model: Refer to REGISTRATION [10/2021 - 10/2022] , or refer to REGISTRATION [10/2022 - 11/2023]