System Diagram

Fig 1: Brake Control System - System Diagram (1 Of 2)

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Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Brake Control System - System Diagram (2 Of 2)

G05401146

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ECU SIGNAL REFERENCE CHART

Transmitting ECU (transmitter)	Receiving ECU	Signal	Communication Method
Skid control ECU	Steering angle sensor	Steering angle sensor request signal	CAN communication
Skid control ECU	Yaw rate and acceleration sensor	Yaw rate and acceleration request signal	CAN communication
Skid control ECU	ECM	Wheel speed signal VSC data signal	CAN communication
ECM	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
Main body ECU	Skid control ECU	Parking brake switch signal	CAN communication
Skid control ECU	Combination meter	ABS warning light signal Brake warning light signal VSC OFF indicator light signal SLIP indicator light signal	CAN communication
Skid control ECU	Combination meter	Wheel speed signal	Serial communication