EPS Motor and Torque Sensor

EPS motor (1) and torque sensor (2) are installed to steering column assembly.

EPS MOTOR 

EPS motor provides assist torque in proportion to the control signal from the EPS control unit.

TORQUE SENSOR 

Torque sensor detects the steering torque and transmits the signal to the EPS control unit.

Courtesy of NISSAN NORTH AMERICA, INC.