A Steering system for a motor vehicle is provided. The system is provided with
a principal steering actuator for applying a driving force to a steering mechanism;
an auxiliary steering actuator capable of applying a driving force to the steering
mechanism; a counter force actuator for applying a counter force to an operation
member; a principal steering control section; an auxiliary steering control section;
a counter force control section; first and second vehicle condition sensors; and
a main controller for comprehensively controlling the control sections. An output
signal of the first vehicle condition sensor is inputted to the main controller
through a first vehicle condition signal line; and an output signal of the second
vehicle condition sensor is inputted, through a second vehicle condition signal
line, to at least one of the control sections.
