System Diagram

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

ECU COMMUNICATION CHART

Transmitting ECU (Transmitter)	Receiving ECU	Signals	Communication Method
Skid control ECU	Steering angle sensor	Steering angle sensor request signal	CAN communication system
Skid control ECU	Yaw rate and acceleration sensor	Yaw rate and acceleration request signal	CAN communication system
Skid control ECU	HV control ECU	Wheel speed signal VSC data signal	CAN communication system
HV control ECU	Skid control ECU	Shift position signal Throttle position signal Engine revolution signal Intake air temperature signal Engine torque request signal Accelerator pedal position signal	CAN communication system
Skid control ECU	Power steering (EPS) ECU	Target additional torque signal	CAN communication system
Power steering (EPS) ECU	Skid control ECU	EPS cooperative control enabling signal	CAN communication system
Main body ECU	Skid control ECU	Parking brake switch signal	CAN communication system
Skid control ECU	Combination meter	ABS warning light ON signal BRAKE warning light ON signal Brake control warning light ON signal SLIP indicator light ON signal Master caution indicator light ON signal Multi information display ON signal	CAN communication system