| 摘要 |
A vehicle steering system includes: a steering mechanism that includes a steering member, a steering angle detecting unit and a direction detecting unit that detects a steering direction with reference to a neutral position of the steering member; a steered mechanism that includes a steered wheel and a turning actuator having a turning motor, and that is not mechanically coupled to the steering mechanism; and a control device that controls the turning motor and that, at the time of a failure of the steering angle detecting unit, controls the turning motor by determining a turning motor command value for controlling the turning motor on the basis of a detected signal from the direction detecting unit.
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