When the optional all - wheel - drive powertrain is selected, the rear wheels go to work only when necessary with torque delivered through a Getrag - supplied computer - controlled coupling positioned downstream of the 6 - speed automatic transmission. (automobilemag.com)
The Dynamic Torque Control AWD system continuously monitors and controls the torque transfer between the front and rear wheels via an electromagnetically controlled coupling positioned in the rear differential. (autoweek.com)
V - Flex Fulltime 4WD system unit renewed to feature, not only a resigned, smaller and lighter GF1A transfer case, but a new FD13 rear - differential, a viscous coupling positioned inside the front of the rear - differential, and a propeller shaft with a tri-board constant velocity joint (toyota-global.com)