SSANGYONG REXTON 2006.09 Manual page 359

06-4
3240-01
OVERVIEW AND OPERATION PROCESS
1. OVERVIEW
TOD system means the full time 4WD system and the registered trade mark of Borg Warner.
TOD is an abbreviation of Torque On Demand.
TOD (Torque On Demand) system, which is superior than existing Full Time 4WD, checks the
road surface and vehicle conditions via various sensors and, subsequently, according to the
situations and conditions, distributes the most optimal driving force to front wheels and rear
wheels by activating the electro-magnetic clutch located inside of TOD Transfer Case.
TOD receives the speed signals from speed sensors installed in front axle and rear axle, the
TPS signals from engine, and the operating signals from ABS control unit via CAN. Based on
these data, TOD control unit controls the electro-magnetic clutch to distribute the 3:97 ~ 44:56
of driving force to front wheels and rear wheels.
The conventional system uses "FR driving" (theoretically, the 100% of driving force is
transferred to rear wheels) on normal paved road. When the system detects a slip in the rear
wheels, a proper percentage of driving force is transferred to front wheels.
TOD control unit receives the wheel speed signals from the speed sensors in propeller shaft of
transfer case and engine output information from the engine control unit. TOD control unit
changes the pressure force of the electromagnetic clutch based on the analyzed data.
TORQUE ON DEMAND
REXTON 2006.09