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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 Component Location Index:

GHH562797Courtesy of HONDA, U.S.A., INC.

F-CAN Communication Data 

EPS System Receiving Signal 

Transmitting Unit Signal Name
CAN gateway
  • Integrated dynamics system mode request
Gauge control module
  • Driver's door switch signal
  • Wiper switch status
  • Side turn signal
Millimeter wave radar
  • Instructing current signal
  • LKAS mode signal
  • System failure information
Transmitting Unit Signal Name
PCM
  • Accelerator pedal position signal
  • Brake pedal position switch signal
  • Engine speed signal
  • Vehicle speed signal
  • Cruise control status
  • Auto idle stop status
  • Service check signal
SRS unit
  • Yaw rate signal
  • Driver's seat belt buckle switch status
  • System failure information
VSA modulator-control unit
  • Wheel speed signal
  • ABS/EBD/TCS/VSA operating status
  • Vehicle understeering status
  • Estimated longitudinal acceleration signal
  • Estimated L/R ' differential signal
  • System failure information

EPS System Transmitting Signal 

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