System Diagram

Courtesy of NISSAN NORTH AMERICA, INC.

Parts name	Function
Power steering control module	Refer to STEERING GEAR ASSEMBLY .
EPS motor	Refer to STEERING GEAR ASSEMBLY .
Power steering torque sensor	Refer to STEERING GEAR ASSEMBLY .
ECM	Transmits mainly the following signals to power steering control module via CAN communication. Engine status signal EPS assist request signal Stop/Start status signal Receives mainly the following signals from power steering control module via CAN communication. Battery supply current signal EPS torque on signal
ABS actuator and electric unit (control unit)	Transmits mainly the following signals to power steering control module via CAN communication. Vehicle speed signal (ABS)
Steering angle sensor	Transmits mainly the following signals to power steering control module via CAN communication. Steering angle sensor signal
Combination meter	Transmits mainly the following signals to power steering control module via CAN communication. Vehicle speed signal (Meter) Turns ON the power steering warning lamp according to the signal from the power steering control module via CAN communication.