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System Diagram [09/2014 - 10/2015]

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

GTY406268

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

GTY406815

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	Front Steering Control ECU	Variable gear ratio steering operation signal	CAN
Driving Support ECU	Absorber Control ECU	Absorber control signal	CAN
Driving Support ECU	Skid Control ECU Assembly	Brake assist standby signal Pre-collision brake operation signal Pre-collision alarm signal	CAN
Driving Support ECU	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	Brake control signal Vehicle speed signal	CAN
Skid Control ECU Assembly	Seat Belt Control ECU	Brake system malfunction signal Pre-collision seat belt signal Brake control signal Vehicle speed signal	CAN
Millimeter Wave Radar Sensor Assembly	Driving Support ECU	Front obstacle recognition signal	CAN
Driver Monitor ECU Assembly	Driving Support ECU	Driver facial direction signal Driver eye opening level signal	CAN
Yaw Rate Sensor	Driving Support ECU	Vehicle yaw rate sensor signal	CAN
Spiral with Sensor Cable Sub-assembly (Steering Angle Sensor)	Driving Support ECU	Steering angle sensor signal	CAN
Center Airbag Sensor Assembly	Seat Belt Control ECU	Buckle switch signal (both driver and passenger side)	CAN