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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System >> With 4WAS >> Function Diagnosis >> EPS System >> Component Description
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Component Description

COMPONENT DESCRIPTION CHART

Component parts Function
4WAS main control unit
  • The power steering solenoid valve activation voltage is controlled by each sensor signal.
  • The power steering solenoid valve activation voltage is controlled by 4WAS main control unit for maintaining the power steering force in the fail-safe mode. (EPS system is controlled by the engine speed signal if the vehicle speed signal error is detected.)
ABS actuator and electric unit (control unit) It mainly transmits the following signals to 4WAS main control unit with CAN communication.
  • Vehicle speed signal
ECM It mainly transmits the following signals to 4WAS main control unit with CAN communication.
  • Engine speed signal
Power steering solenoid valve The power steering oil pressure in the gear housing assembly is controlled.
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