EPS System Description - System Diagram

The system diagram of the EPS system is shown below.

For locations of each component on the vehicle, refer to the Component Location Index:

Courtesy of HONDA, U.S.A., INC.

F-CAN Communication Data

EPS System Receiving Signal

Transmitting Unit	Signal Name
PCM	Engine speed signal Accelerator pedal position signal Auto idle stop system operating status Cruise control activation status Brake pedal position switch signal Integrated drive-mode system mode signal Service check signal System failure information
TCM	Transmission speed signal

Transmitting Unit	Signal Name
SRS unit	Yaw rate signal Driver's seat belt buckle switch status System failure information
VSA modulator-control unit	Wheel speed signal ABS/EBD/VSA/TCS operating status Estimated L/R μ differential signal Estimated longitudinal acceleration signal Vehicle understeering status System failure information
Gauge control module	Driver's door switch signal Parking brake activation status Side turn signal switch stasus Wiper switch status
Millimeter wave radar	Motor instructing current signal LKAS mode signal System failure information
CAN gateway	Integrated drive-mode system mode signal

EPS System Transmitting Signal

Transmitting Unit	Signal Name
EPS control unit	Steering angle signal Steering speed signals Steering torque signal Motor speed signal LKAS mode signal Motor load status Auto idle stop inhibit signal Auto idle stop release request Indicator drive request signal Attentiveness level indication request Integrated drive-mode system mode transition inhibit signal System failure information