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Home >> Kia >> 2016 >> Optima EX >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Electric Power Steering System - Optima (Except HEV) >> Description and Operation >> Description >> Notes

Description and Operation: Description: Notes

EPS (Electric power steering, Column assist type) system is an engine operation independent steering system that uses an electric motor to assist the steering force.

EPS control module controls the motor operation according to information received from each sensor via CAN (Controller Area Network), resulting in a more precise and timely control of steering assist than conventional engine-driven hydraulic systems

Components (Steering Angle Sensor, Torque Sensor, Fail-safe relay, etc.) of the EPS system are located inside the steering column. EPS unit assembly, steering column, and EPS unit assembly must not be disassembled for inspection. They must be replaced if necessary.