Power Flow Mechanism

Input the information from each sensor in vehicle
- Input torque (Throttle position sensor)
- Vehicle speed and different wheel speed front & rear (Wheel speed sensor)
- Braking situation (Brake signal and ABS signal)
Distributed the required driving force after 4WD ECU operates.
ECU (Electric Control Unit) operates the primary clutch.

Fig 1: Power Flow Mechanism For Driving Situation
Courtesy of HYUNDAI MOTOR CO.
Control the cam's opening gap by operation of primary clutch.

Fig 2: Power Flow Mechanism For Primary Clutch
Courtesy of HYUNDAI MOTOR CO.
Control the slip of inner & outer plate.
Control variably the driving force distribution to optimize front & rear driving force.

Fig 3: Power Flow Mechanism For Control Variably Driving Force Distribution
Courtesy of HYUNDAI MOTOR CO.