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HOMESERVICE MANUALSNISSAN-DATSUN2013MURANO CROSSCABRIOLETREPAIR AND DIAGNOSISSTEERINGPOWER STEERINGSTEERING CONTROL SYSTEM (CROSSCABRIOLET)SYSTEM DESCRIPTIONSYSTEMEPS SYSTEMEPS SYSTEM: SYSTEM DESCRIPTIONOPERATION PRINCIPLE
2013 Nissan-Datsun Murano CrossCabriolet

Operation Principle

2013 Nissan-Datsun Murano CrossCabrioletSECTION Operation Principle

During Parking (When Turning The Steering Wheel To The Right.)

Fig 1: EPS System Operation Diagram (During Parking, When Turning Steering Wheel To Right)
G04887357Courtesy of NISSAN NORTH AMERICA, INC.
  1. Power steering solenoid valve is closed while a vehicle is stopped.
  2. Pinion "1R", "2R" and "3R" are closed depending on steering torque of steering wheel.
  3. Oil pressure "P" in the gear housing assembly is the sum of oil pressures occurred in "2R" and "3R". This results in a light steering force because of high pressure.

During High-speed Operation

Fig 2: EPS System Operation Diagram (During High-Speed Operation)
G04887358Courtesy of NISSAN NORTH AMERICA, INC.
  1. Power steering solenoid valve is opened during high-speed operation.
  2. Pinion "1R", "2R" and "3R" are closed depending on steering torque of steering wheel.
  3. Oil pressure "2R" does not occur because the power steering solenoid valve is on full throttle.
  4. Oil pressure "P" in the gear housing assembly includes only oil pressure occurred in "3R" and results in a heavy steering force.
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