Adaptive Cruise Control (ACC) System Description - System Diagram
The system diagram of the Adaptive Cruise Control (ACC) system is shown below.

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

F-CAN Communication Data
Multipurpose Camera Unit Receiving Signal:
Originating Unit
Signal Name
EPS control unit
Steering angle neutral position learning information
Gauge control module
ACC combination switch signal (switch failure information)
Customization signal
Millimeter wave radar
Object recognition information
Millimeter wave radar failure information
PCM
Cruise control system operating status, Cruise control system failure information
Accelerator pedal position (APP) sensor control state signal
Brake pedal position switch signal
Shift position status
Transmission failure information for ACC system
Vehicle speed signal for transmission
VSA modulator-control unit
VSA system failure information for ACC system
Wheel speed sensor signals, Wheel speed sensor failure information
Yaw rate sensor signal, Yaw rate sensor failure information
Brake light relay control signal, Brake light relay failure information
Master cylinder pressure signal, Master cylinder pressure sensor failure information
Steering angle sensor
Steering angle signal

Multipurpose Camera Unit 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
PCM
ACC system failure information
Shift position down request signal
Throttle actuator control request signal
VSA modulator-control unit
ACC automatic brake actuation request signal
ACC system failure information
Brake light relay actuation request signal