System Diagram

Fig 1: Electronically Controlled Brake System - System Diagram (1 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Electronically Controlled Brake System - System Diagram (2 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Electronically Controlled Brake System - System Diagram (3 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Electronically Controlled Brake System - System Diagram (4 Of 4)

TRANSMITTING ECU REFERENCE CHART

Transmitting ECU (Transmitter)	Receiving ECU	Signals	Communication Method
ECM	Skid control ECU	Shift position signal Throttle position signal Engine revolution signal Intake air temperature signal Engine torque request signal Hill-start assist control prohibit request signal Accelerator pedal position signal	CAN communication system
Skid control ECU	Yaw rate and acceleration sensor	Yaw rate and acceleration request signal	CAN communication system
Skid control ECU	Steering angle sensor	Steering angle sensor request signal	CAN communication system
Skid control ECU	ECM	Wheel speed signal VSC data signal	CAN communication system
Skid control ECU	Gateway ECU	ABS warning light ON signal BRAKE warning light ON signal Brake control warning light ON signal SLIP indicator light ON signal VSC OFF indicator light ON signal	CAN communication system
Skid control ECU	Power steering ECU	Target additional torque signal	CAN communication system
Power steering ECU	Skid control ECU	EPS cooperative control enabling signal	CAN communication system
Skid control ECU	Steering control ECU	Target relative angle signal	CAN communication system
Steering control ECU	Skid control ECU	VGRS cooperative control enabling signal VGRS relative angle (speed) signal	CAN communication system
Distance control ECU	Skid control ECU	Brake control request signal	CAN communication system