Adaptive Cruise Control (ACC) System Description - System Diagram

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
Multipurpose camera unit*	Object recognition information Multipurpose camera unit failure information Traffic lane information

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

Originating Unit	Signal Name
PCM	PCM failure information for ACC system Accelerator pedal position (APP) sensor control state signal Brake pedal position switch signal
TCM	Vehicle speed signal for transmission Transmission failure information for ACC system
SRS unit	Longitudinal acceleration sensor signal, Longitudinal acceleration sensor failure information Yaw rate sensor signal, Yaw rate sensor failure information
VSA modulator-control unit	Brake control state signal Brake light relay failure information 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 brake booster	Driver brake operation Information Electric brake booster system failure information
SBW Shifter Control Module	Shift position status

*: 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 MID screen requirement: ACC indicator ACC activation indicator ACC system indicates for self-diagnostic function
Multipurpose camera unit*	Vehicle information
PCM	ACC system failure information Shift position down request signal Engine torque request
TCM	---
SRS unit	---
VSA modulator-control unit	Deceleration request ACC system failure information Electric parking brake actuation request signal Stop hold request
Electric brake booster	---
SBW shifter control module	---

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