System Diagram [10/2014 - ]

Fig 1: Pre-Collision System Diagram (1 Of 2)

GTY407116

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Pre-Collision System Diagram (2 Of 2)

GTY411631

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Sender	Receiver	Signal	Line
Driving Support ECU Assembly	Seat Belt Control ECU	Pre-collision seat belt operation signal Pre-collision system malfunction signal	CAN
Driving Support ECU Assembly	Steering Control ECU	Variable gear ratio steering operation signal	CAN
Driving Support ECU Assembly	Suspension Control ECU	Absorber control signal	CAN
Driving Support ECU Assembly	Skid Control ECU Assembly	Brake assist standby signal Pre-collision brake operation signal Pre-collision alarm signal	CAN
Driving Support ECU Assembly	Combination Meter Assembly	Pre-collision system control stop signal	CAN
Seat Belt Control ECU	Combination Meter Assembly	Pre-collision system malfunction signal	CAN
Skid Control ECU Assembly	Driving Support ECU Assembly	Sudden brake signal VSC control signal Vehicle speed signal	CAN
Skid Control ECU Assembly	Seat Belt Control ECU	ABS system malfunction signal Pre-collision seat belt operation signal VSC control signal Vehicle speed signal	CAN
Millimeter Wave Radar Sensor Assembly	Driving Support ECU Assembly	Front obstacle recognition signal	CAN
Object Recognition ECU	Driving Support ECU Assembly	Front object recognition signal	CAN
Driver Monitor ECU Assembly	Driving Support ECU Assembly	Driver facial direction signal	CAN
Yaw Rate Sensor	Driving Support ECU Assembly	Vehicle yaw rate sensor signal	CAN
Steering Angle Sensor	Driving Support ECU Assembly	Steering angle sensor signal	CAN
Center Airbag Sensor Assembly	Driving Support ECU Assembly	Buckle switch signal (both driver and passenger side)	CAN