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System Diagram [12/2012 - 10/2015]

Fig 1: Dynamic Torque Control AWD System Diagram (1 Of 2)

GTY375522

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Dynamic Torque Control AWD System Diagram (2 Of 2)

GTY364035

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Transmitting ECU	Receiving ECU	Signal	Communication Method
Skid control ECU (Brake actuator assembly)	4WD ECU assembly	Wheel speed sensor signal Stop light switch signal	CAN communication system
ECM	4WD ECU assembly	Shift position sensor signal Throttle position sensor signal Crankshaft position sensor signal	CAN communication system
Main body ECU (Multiplex network body ECU)	4WD ECU assembly	Parking brake switch signal Ambient temperature signal	CAN communication system
4WD ECU assembly	Combination meter assembly	AWD warning light signal AWD lock mode indicator light signal Sport mode indicator light signal	CAN communication system
Steering angle sensor (Spiral with sensor cable sub-assembly	4WD ECU assembly	Steering angle sensor signal	CAN communication system
Acceleration sensor (Airbag sensor assembly	4WD ECU assembly	Acceleration sensor signal	CAN communication system