System Diagram

WARNING: This page is about a different car, the 2009 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Communication Table

COMMUNICATION REFERENCE

Sender	Receiver	Signal	Line
ECM	Skid control ECU	Throttle position signal Engine revolution signal Accelerator pedal position signal Intake temperature sensor signal Shift position signal	CAN communication
Skid control ECU	ECM	Yaw rate and deceleration signal Throttle opening angle request signal VSC data signal Wheel speed 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 AUTO LSD indicator light signal Vehicle speed signal	CAN communication
4WD control ECU	Skid control ECU	4WD status signal L4 status signal Center differential lock status signal Transfer neutral status signal	CAN communication
Steering angle sensor	Skid control ECU, ECM	Steering angle signal	CAN communication