System Diagram [11/2017 - ]

Fig 1: Pre-Collision System Circuit Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Pre-Collision System Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Pre-Collision System Circuit Diagram (For Bulb Light Stop Light)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Pre-Collision System Circuit Diagram (For LED Stop Light)

COMMUNICATION TABLE

Sender	Receiver	Signal	Line
Driving Support ECU Assembly	Brake Actuator Assembly (Skid Control ECU)	Brake assist standby signal Pre-collision braking 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 warning signal Pre-collision braking operation signal	CAN
Brake Actuator Assembly (Skid Control ECU)	Driving Support ECU Assembly	Vehicle speed signal Stop light switch signal Vehicle yaw rate sensor signal Vehicle stability control system operation signal Vehicle stability control system malfunction signal	CAN
Brake Actuator Assembly (Skid Control ECU)	Forward Recognition Camera	Vehicle speed signal Vehicle yaw rate sensor signal	CAN
Airbag Sensor Assembly (Yaw Rate Sensor)	Driving Support ECU Assembly	Vehicle yaw rate sensor signal	CAN
Airbag Sensor Assembly (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 Angle Sensor (Spiral Cable with Sensor Sub-assembly)	Driving Support ECU Assembly	Steering angle sensor signal Steering angle sensor malfunction signal	CAN
Steering Angle Sensor (Spiral Cable with Sensor Sub-assembly)	Forward Recognition Camera	Steering angle 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
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