System Diagram [09/2015 - ]

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

GTY955110

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

GTY731234

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Transmitter	Receiver	Signal	Communication Line
Driving Support ECU Assembly	Master Cylinder Solenoid (Skid Control ECU)	Brake assist standby signal Pre-c brake operation signal	CAN
Driving Support ECU Assembly	Combination Meter Assembly	Pre-collision system malfunction signal Pre-collision system warning distance signal Warning signal Pre-collision system cancel signal	CAN
Driving Support ECU Assembly	Forward Recognition Camera	Pre-collision alarm signal Pre-collision brake operation signal	CAN
Master Cylinder Solenoid (Skid Control ECU)	Combination Meter Assembly	Vehicle speed signal Stop light switch signal Vehicle yaw rate sensor signal VSC system operation signal VSC system malfunction signal	CAN
Master Cylinder Solenoid (Skid Control ECU)	Forward Recognition Camera	Vehicle speed signal Vehicle yaw rate sensor signal	CAN
Yaw Rate Sensor	Driving Support ECU Assembly	Vehicle yaw rate sensor signal	CAN
Yaw Rate Sensor	Forward Recognition Camera	Vehicle yaw rate sensor signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Driving Support ECU Assembly	Vehicle specification information (destination)	CAN
Main Body ECU (Multiplex Network Body ECU)	Forward Recognition Camera	Vehicle specification information (destination)	CAN
Steering Sensor	Driving Support ECU Assembly	Steering sensor signal Steering sensor malfunction signal	CAN
Steering Sensor	Forward Recognition Camera	Steering sensor malfunction signal	CAN
ECM	Driving Support ECU Assembly	Shift position signal (D, R) Engine type information signal Vehicle specification information (2WD/4WD information)	CAN
Driving Support ECU Assembly	ECM	Throttle valve close signal	CAN
Millimeter Wave Radar Sensor Assembly	Driving Support ECU Assembly	Front obstacle recognition signal Distance signal Relative speed signal	CAN
Forward Recognition Camera	Driving Support ECU Assembly	Front obstacle recognition signal Distance signal	CAN