System Diagram [04/2013 - 09/2020]

Fig 1: Four Wheel Drive Control System Diagram

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COMMUNICATION TABLE

Transmitting ECU	Receiving ECU	Signal	Communication Method
ECM	4WD ECU assembly	Shift position sensor signal Throttle position sensor signal Accelerator pedal position signal Actual output torque signal TC terminal status signal	CAN communication system
Skid control ECU (Brake actuator assembly)	4WD ECU assembly	Wheel speed sensor signal Stop light switch signal VSC brake fluid pressure command signal AWD lock request signal AWD lock release request signal Yaw rate follow-up control selection signal ABS control in operation signal	CAN communication system
Steering sensor	4WD ECU assembly	Steering angle signal Steering sensor malfunction signal +B open malfunction signal	CAN communication system
4WD ECU assembly	Skid control ECU (Brake actuator assembly)	AWD control hydraulic pressure signal	CAN communication system
4WD ECU assembly	Combination meter assembly	AWD warning massage request signal Slip indicator light illumination and blinking request signal DTC signal Diagnostic sender system number signal	CAN communication system