Power Flow Mechanism

WARNING: This page is about a different car, the 2011 Hyundai Veracruz. However, it is still accessible from the selected car via links, so may be relevant.

Normal driving situation: 2WD base driving
4WD driving in driving situations (rapid activation, cornering etc.)

Input the information from each sensor in vehicle
1. Input torque (Throttle position sensor)
2. Vehicle speed and different wheel speed front & rear (Wheel speed sensor)
3. 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: Identifying Transfer Assembly Operation
Courtesy of HYUNDAI MOTOR CO.
Control the cam's opening gap by operation of primary clutch.

Fig 2: Identifying Transfer Assembly Operation (Control Cam's Opening Gap)
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: Identifying Transfer Assembly Operation (Control Slip Of Inner & Outer Plate)
Courtesy of HYUNDAI MOTOR CO.