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System Diagram [12/2021 - ]

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GTY1082589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

Sender Receiver Signal Communication Method
Main body ECU (multiplex network body ECU) Combination meter assembly
  • Front seat buckle switch signal (for Passenger Side)
  • Front occupant detection signal (for Passenger Side)
  • Rear seat belt buckle switch signal (LH/RH/CTR)
  • Rear occupant detection sensor signal (LH/RH)
  • Parking brake switch signal
 CAN
Power distribution box assembly Main body ECU (multiplex network body ECU)
  • Front seat buckle switch signal (for Front Passenger Side)
  • Front occupant detection signal (for Front Passenger Side)
  • Rear seat belt buckle switch signal (LH/RH/CTR)
 CXPI
No. 2 skid control ECU (brake actuator assembly) Combination meter assembly Vehicle speed signal CAN
ECM Combination meter assembly Shift position signal
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