System Diagram [12/2015 - 11/2017]

Fig 1: Pre-Collision System Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Sender	Receiver	Signal	Line
Driving Support ECU	Seat Belt Control ECU	Pre-collision seat belt operation signal Pre-collision system malfunction signal	CAN
Driving Support ECU	Skid Control ECU	Pre-collision brake assist standby signal Pre-collision braking operation signal Pre-collision alarm signal	CAN
Driving Support ECU	Combination Meter	Pre-collision system malfunction signal Warning signal	CAN
Seat Belt Control ECU	Combination Meter	Pre-collision system malfunction signal	CAN
Skid Control ECU	Driving Support ECU	Vehicle speed signal	CAN
Skid Control ECU	Seat Belt Control ECU	Vehicle speed signal Seat belt operation signal	CAN
Yaw Rate Sensor	Driving Support ECU	Vehicle yaw rate sensor signal	CAN
Seat Belt Control ECU	Driving Support ECU	Pre-collision system malfunction signal	CAN
Main Body ECU	Seat Belt Control ECU	Vehicle type signal (Steering wheel position)	CAN
Main Body ECU	Driving Support ECU	Vehicle specification information (destination, steering wheel position)	CAN
Steering Angle Sensor	Driving Support ECU	Steering angle sensor signal	CAN
Center Airbag Sensor Assembly	Seat Belt Control ECU	Buckle switch signal	CAN
ECM	Driving Support ECU	Shift position signal (D, R) Engine type information signal Vehicle specification information (2WD/AWD information)	CAN
Millimeter Wave Radar Sensor Assembly	Driving Support ECU Assembly	Front obstacle recognition signal Distance signal Relative speed signal	CAN