System Description (from 07/2011)

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Hatchback): SYSTEM DESCRIPTION

1. DESCRIPTION

* The power steering system generates torque through the operation of the motor and the reduction gear installed on the column shaft in order to assist power steering effort.

* The power steering ECU assembly determines the direction and the amount of assisting power in accordance with the vehicle speed signals and signals from the torque sensor built into the steering column assembly. As a result, steering effort is controlled to be light during low speed driving and moderately high during high speed driving.

2. FUNCTION OF MAIN COMPONENTS