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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System - Electric Power Steering >> System Description >> System >> EPS System >> System Description >> Input/Output Signal
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Input/Output Signal

Component parts

Signal description

ECM

Transmits the following signals to the EPS control unit via CAN communication:

  • Engine status signal
  • EPS assist request signal

Receives the battery supply current signal from the EPS control unit via CAN communication.

Steering angle sensor

Transmits the steering angle sensor signal to the EPS control unit via CAN communication.

Chassis control module

Transmits the drive mode switch signal to the EPS control unit via CAN communication.

ABS actuator and electric unit (control unit)

Transmits the vehicle speed signal to the EPS control unit via CAN communication.

Combination meter

Transmits the vehicle speed signal to the EPS control unit via CAN communication.

Receives the power steering warning lamp signal from the EPS control unit via CAN communication.

Torque sensor

Transmits the steering torque sensor signal to the EPS control unit.

EPS motor

Receives the motor control signal from the EPS control unit.

ADAS (Advanced Driver Assistance Systems) control unit

Transmits the steering status signal to the EPS control unit via CAN communication.

Receives the steering status signal from the EPS control unit via CAN communication.