•  The electronic control coupling basically consists of an electromagnetic clutch, a cam mechanism and a torque transmission system.

•  The electromagnetic clutch consists of a 4-wheel drive (4WD) solenoid (electromagnetic coil), rear-housing that forms a magnetic path, pilot clutch, and armature. The cam mechanism consists of a pilot cam, balls, and main cam. The torque transmission system consists of a main clutch and hydraulic oil (ATF).