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Infiniti
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2014
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QX50 Journey, AWD
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Repair and Diagnosis
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Steering
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Manual Steering
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Steering Control System
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System Description
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EPS System
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System Description
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Notes
System Description: Notes
The EPS system controls the power steering solenoid valve through the power steering control unit.
The valve driving voltage to control the power steering solenoid valve varies according to the vehicle speed.
Fig 1: Solenoid Valve Voltage Versus Vehicle Speed Graph
Courtesy of NISSAN NORTH AMERICA, INC.