Power Steering System

In motor vehicles a power steering system helps drivers steer the vehicle by augmenting steering effort needed to turn the steering wheel making it easier for the vehicle to turn or maneuver.

Power steering system.

On this network is the ecm for the engine and abs stability control system. These modules share information for vehicle speed steering angle and engine operation. When the driver is not exerting force such as when driving in a straight line the system shouldn t provide any assist. The oil works a piston that helps to push the steering in the appropriate direction.

Power assisted steering overcomes the problem. Valves in the steering rack or box open whenever the driver turns the wheel allowing oil into the cylinder. The electric power steering system is typically part of the hi speed can bus on the vehicle. The engine drives a pump that supplies oil under high pressure to the rack or the steering box.

The device that senses the force on the steering wheel is called the rotary valve.