EPS SYSTEM: System Description: Description

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.

The EPS system controls the power steering solenoid valve with 4WAS main control unit.
The power steering solenoid valve control changes the power steering solenoid valve activation voltage according to the vehicle speed.

Fig 1: Solenoid Valve Voltage Versus Vehicle Speed Graph (Normal Operation)
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