Adaptive Cruise Control (ACC) System Description - System Diagram

WARNING: This page is about a different variant/trim than selected.

The system diagram of the ACC system is shown below.

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

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

F-CAN Communication Data

Millimeter Wave Radar Receiving Signal:

Originating Unit	Signal Name
EPS control unit	Steering angle signal Steering angle neutral position learning information
Gauge control module	ACC combination switch signal (switch failure information) Customization signal Gauge control module failure information for ACC

*1: With the multipurpose camera unit via ACC-CAN line.

Originating Unit	Signal Name
Multipurpose camera unit *1	Object recognition information Multipurpose camera unit failure information Traffic lane information
PCM	ACC system driver request: - Accelerator pedal operation status - Cancellation signal PCM failure information for ACC system Accelerator pedal position (APP) sensor control state signal Brake pedal position switch signal Engine torque information Engine rotation speed information
SRS unit	Driver's seat belt buckle switch status, Driver's seat belt buckle switch failure information Longitudinal acceleration sensor signal, Longitudinal acceleration sensor failure information Yaw rate sensor signal, Yaw rate sensor failure information
VSA modulator-control unit	Electric parking brake status signal, Electric parking brake system failure information Master cylinder pressure signal, Master cylinder pressure sensor failure information VSA system failure information for ACC system Wheel speed sensor signals, Wheel speed sensor failure information
Electric servo brake control unit/pedal feel simulator	Brake control state signal Brake light relay circuit failure information Driver brake operation Information Electric servo brake system failure information for ACC system
SBW shifter control module	Shift position status

*1: With the multipurpose camera unit via ACC-CAN line.

Millimeter Wave Radar Transmitting Signal:

Destination Unit	Signal Name
EPS control unit	---
Gauge control module	ACC system failure information Buzzer request signal Customization information Multi information display (MID) screen requirement: - ACC indicator - ACC activation indicator - ACC system indicates for self-diagnostic function
Multipurpose camera unit *1	Vehicle information
PCM	ACC system failure information Target torque
SRS unit	---
VSA modulator-control unit	ACC system failure information Electric parking brake actuation request signal Low speed following (LSF) function stoppage and retention information

*1: With the multipurpose camera unit via ACC-CAN line.

Destination Unit	Signal Name
Electric servo brake control unit/pedal feel simulator	ACC automatic brake activation request signal ACC system failure information Target ACC deceleration information
SBW shifter control module	---

*1: With the multipurpose camera unit via ACC-CAN line.