Electric power steering (EPS) has become a game-changer in the world of electric vehicles (EVs). Unlike traditional hydraulic power steering systems, EPS utilizes electric motors and electronic control units to assist the driver in steering the vehicle. The core components of an electric power steering system in an electric vehicle typically include: Electric Power Steering Motor: This is the primary actuator that provides the steering assist. It is responsible for generating the necessary torque to aid the driver's steering input; Steering Angle Sensor: This sensor measures the angle of the steering wheel, providing feedback to the electronic control unit (ECU) for precise steering control; Torque Sensor: This sensor detects the driver's steering input, allowing the ECU to determine the appropriate level of power steering assistance; Electronic Control Unit (ECU): The ECU is the brain of the EPS system, processing input signals from various sensors and controlling the electric motor's operation to deliver the desired steering response. Electric power steering systems are designed to be more energy-efficient compared to their hydraulic counterparts. By eliminating the need for a separate hydraulic pump and fluid, EPS reduces the overall power consumption of the vehicle, resulting in improved battery life and extended driving range. The electronic control and variable assist provided by EPS systems allow for a more direct and responsive steering feel. Drivers can enjoy a more precise and agile driving experience, particularly at higher speeds. With EPS, vehicle manufacturers can tailor the steering characteristics to the specific needs and preferences of the driver. This includes the ability to adjust the steering effort, response, and even the level of assistance based on driving conditions or user settings. Finally, Electric power steering systems generally require less maintenance compared to hydraulic systems. The absence of hydraulic fluid and the reduced number of moving parts contribute to a lower overall maintenance burden, leading to increased reliability over the vehicle's lifetime. One of the key considerations when working with electric power steering in electric vehicles is the presence of high-voltage components. Unlike traditional hydraulic systems that operate at lower voltages, EPS systems in EVs often utilize high-voltage electrical systems, typically ranging from 200 to 400 volts. The high-voltage nature of these systems requires specialized training, equipment, and safety protocols to ensure the well-being of technicians and the integrity of the vehicle's electrical system. Before any repair or maintenance work, the high-voltage system must be properly disabled and isolated to prevent the risk of electric shock. Proper alignment and calibration of the electric power steering system are critical for maintaining optimal performance and safety. This process involves adjusting the steering geometry, ensuring the proper centering of the steering wheel, and calibrating the various sensors and control modules. Specialized tools and procedures are often required to accurately align and calibrate electric steering systems. Neglecting this can lead to issues such as uneven tire wear, unstable vehicle tracking, and compromised driver control. Always refer to the manufacturer's service guidelines and follow their recommended procedures when servicing the EPS system. This video is sponsored by BendPak.