System Diagram [10/2014 - 09/2017]

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Sender	Receiver	Signal	Line
Driving Support ECU Assembly	Brake Actuator Assembly (Skid Control ECU)	Brake assist standby signal Pre-collision brake operation signal	CAN
Driving Support ECU Assembly	Combination Meter Assembly	Pre-collision system malfunction signal Warning signal Pre-collision system off and sensitivity display signal	CAN
Driving Support ECU Assembly	Absorber Control ECU*	Absorber control signal	CAN
Driving Support ECU Assembly	Millimeter Wave Radar Sensor Assembly	Pre-collision alarm signal	CAN
Brake Actuator Assembly (Skid Control ECU)	Driving Support ECU Assembly	Vehicle speed signal	CAN
Airbag ECU Assembly (Yaw Rate Sensor)	Driving Support ECU Assembly	Vehicle yaw rate sensor signal	CAN
Main Body ECU (Multiplex Network Body ECU)	Driving Support ECU Assembly	Vehicle specification information (destination, steering wheel position)	CAN
Spiral with Sensor Cable Sub-assembly (Steering Angle Sensor)	Driving Support ECU Assembly	Steering angle sensor signal	CAN
ECM	Driving Support ECU Assembly	Shift position signal (D, R) Engine type information signal SFI system malfunction signal	CAN
Millimeter Wave Radar Sensor Assembly	Driving Support ECU Assembly	Front obstacle recognition signal Distance signal Relative speed signal	CAN

*: w/ Adaptive Variable Suspension System