System Diagram

Fig 1: Vehicle Stability Control System Diagram (1 Of 2)

GTY316794

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Vehicle Stability Control System Diagram (2 Of 2)

GTY322657

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Skid control ECU	Steering angle sensor	Steering angle sensor request signal	CAN communication line
Steering angle sensor	Skid control ECU	Steering angle sensor signal	CAN communication line
Skid control ECU	Yaw rate and acceleration sensor*1	Yaw rate and acceleration request signal	CAN communication line
Yaw rate and acceleration sensor*1	Skid control ECU	Yaw rate and acceleration signal	CAN communication line
Skid control ECU	Yaw rate and acceleration sensor (Airbag sensor assembly)*2	Yaw rate and acceleration request signal	CAN communication line
Yaw rate and acceleration sensor (Airbag sensor assembly)*2	Skid control ECU	Yaw rate and acceleration signal	CAN communication line
Skid control ECU	ECM	Wheel speed signal VSC data signal	CAN communication line
ECM	Skid control ECU	Shift position signal Throttle position signal Engine speed signal Diagnosis (TC terminal) signal	CAN communication line
Skid control ECU	Power steering ECU assembly	VSC data signal	CAN communication line
Power steering ECU assembly	Skid control ECU	Sensor check (TS terminal) signal	CAN communication line
Main body ECU	Skid control ECU	Parking brake switch signal	CAN communication line
Skid control ECU	Combination meter assembly	ABS warning light signal Brake warning light signal TR(A)C OFF indicator light signal VSC OFF indicator light signal Slip indicator light signal Wheel speed signal	CAN communication line

*1: for Separate type

*2: for Built-in type