The electronic control coupling realizes the highly reliable 4WD system with lighter weight and simpler construction.


The electronic control coupling is comprised of the front housing, main clutch, main cam, ball, pilot cam, armature, pilot clutch, rear housing, magnetic coil, and shaft.


Coupling stops (2WD: Magnetic coil de-energized.)

The drive force from the transfer is transmitted to the front housing connected to the propeller shaft. The drive force is also transferred to the pilot clutch and the outer side of the main clutch assembled to the front housing. Because the pilot clutch and the main clutch are not engaged with the magnetic coil de-energized, the drive force is not transferred to the shaft and the drive pinion of the rear differential.

Coupling operates (4WD: Magnetic coil energized.)