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HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSISSTEERINGMANUAL STEERINGSTEERING CONTROL SYSTEM (EPS)SERVICE INFORMATIONEPS SYSTEMSCHEMATICCOMPONENTS FUNCTION DESCRIPTION
2012 Nissan-Datsun Sentra SE-R

Components Function Description

2012 Nissan-Datsun Sentra SE-RSECTION Components Function Description
Component parts Function
EPS control unit (Electric power steering control unit)
  • Outputs optimum assist torque signal to EPS motor.
  • Reduces output signals to EPS motor and protects EPS motor and EPS control unit when using power steering continuously and excessively.
  • As a fail-safe function, turned off output signal to EPS motor and then enters a manual steering state, if malfunction is detected in EPS system.
  • Self-diagnosis can be clone with CONSULT.
EPS motor Products assist torque by control signal from EPS control unit.
Torque sensor Detects steering wheel turning force and outputs sensor signal to EPS control unit.
Reduction gear Increases motor-produced assist torque by worm gear and transmits it to column shaft.
EPS warning lamp Combination meter illuminates lamp if malfunction is detected in electrical system of EPS system.
ECM Transmits the following signals via CAN communication to EPS control unit.
  • Engine status signal
ABS actuator and electric unit (control unit) Transmits the following signals via CAN communication to EPS control unit.
  • Vehicle speed signal
RENDER: 1.0x

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