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What Causes the Power Steering Light to Illuminate?

1Answers
DeElliot
07/29/2025, 10:32:20 AM

Power steering system warning light illumination may be caused by steering system sensor failure, steering gear malfunction, power steering pump issues, etc. Below is a detailed introduction to automotive power steering systems: 1. Function: It utilizes motor-generated power to assist the driver with steering. This system directly provides steering assistance through an electric power steering motor, eliminating the need for components such as hydraulic power steering pumps, hoses, hydraulic fluid, drive belts, and engine-mounted pulleys required in hydraulic power steering systems, thereby saving energy and protecting the environment. 2. Components: The automotive power steering system can improve vehicle stability by independently applying brakes to individual wheels when instability tendencies are detected, and it also integrates with the engine management system to ensure driving safety. The system primarily consists of a vehicle speed sensor, reduction gear, torque sensor, electric motor, and electronic control unit.

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