System Diagram [08/2015 - 08/2019]

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

GTY267109

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

GTY638455

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	Brake assist standby signal Pre-collision braking operation signal Pre-collision alarm signal	CAN
Driving Support ECU	Combination Meter Assembly	Pre-collision brake off signal Pre-collision system malfunction signal Pre-collision alarm signal	CAN
Driving Support ECU	Suspension Control ECU*1	Pre-collision brake operation signal Pre-collision alarm signal	CAN
Seat Belt Control ECU	Combination Meter Assembly	Pre-collision system malfunction signal	CAN
Skid Control ECU	Driving Support ECU	Vehicle stability control system signal Vehicle speed signal	CAN
Skid Control ECU	Seat Belt Control ECU	Pre-collision seat belt operation signal Vehicle speed 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
Driver Monitor ECU*2	Driving Support ECU	Driver facial direction signal	CAN
Lane Recognition Camera Sensor Assembly*3	Driving Support ECU	Front object recognition signal Lane condition signal	CAN
Millimeter Wave Radar Sensor Assembly	Driving Support ECU	Front object recognition signal Distance signal Relative speed signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Seat Belt Control ECU	Vehicle type signal	CAN
Center Airbag Sensor Assembly	Seat Belt Control ECU	Buckle switch signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Driving Support ECU	Country specification information signal	CAN

*1: w/ Air Suspension
*2: w/ Driver Monitor Camera
*3: w/ Lane Departure Alert System