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.
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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
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*: With Auto Idle Stop System
| Originating Unit |
Signal Name |
| 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
- Auto idle stop operating 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 |
- 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
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*: With Auto Idle Stop System
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:
-
|
| Multipurpose camera unit |
Vehicle information |
| PCM |
- ACC system failure information
- Shift position down request signal
- Engine torque request
- Auto idle stop function disabling request signal*
|
| SRS unit |
--- |
| VSA modulator-control unit |
- Deceleration request
- ACC system failure information
- Electric parking brake actuation request signal
- Stop hold request
|
| Electric brake booster |
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*: With Auto Idle Stop System