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

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


F-CAN Communication Data
Millimeter Wave Radar Receiving Signal:
Originating Unit
Signal Name
EPS motor/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
PCM
PCM failure information for ACC system
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
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
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

Millimeter Wave Radar Transmitting Signal:
Destination Unit
Signal Name
EPS motor/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
Vehicle information
PCM
ACC system failure information
Shift position down request signal
Engine torque request
SRS unit
???
VSA modulator-control unit
Deceleration request
ACC system failure information
Electric parking brake actuation request signal
Stop hold request