DSD Information System
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System Diagram [12/2019 - 11/2023]

  1. FRONT SEAT BELT WARNING 
    GTY1011897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    GTY873623Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    COMMUNICATION TABLE

    Sender Receiver Signal Communication Method
    Airbag sensor assembly Combination meter assembly
    • Front seat inner belt assembly LH buckle switch
    • Front seat inner belt assembly RH buckle switch
    • Occupant detection signal
    CAN
    Skid control ECU (Brake actuator assembly) Combination meter assembly Vehicle speed
    Hybrid vehicle control ECU*1 Combination meter assembly Shift position
    ECM*2
    Occupant detection ECU Airbag sensor assembly
    • Front seat inner belt assembly RH buckle switch
    • Occupant detection signal
    Main body ECU (multiplex network body ECU) Combination meter assembly Parking brake switch
    1. *1: for HV Model
    2. *2: for Gasoline Model
  2. REAR SEAT BELT WARNING 
    GTY929943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    GTY1010552Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    COMMUNICATION TABLE

    Sender Receiver Signal Communication Method
    Skid control ECU (Brake actuator assembly) Combination meter assembly Vehicle speed CAN
    Hybrid vehicle control ECU*1 Combination meter assembly Shift position
    ECM*2
    Main body ECU (multiplex network body ECU) Combination meter assembly
    • Parking brake switch
    • Rear door courtesy light switch signal (LH/RH)
    1. *1: for HV Model
    2. *2: for Gasoline Model