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System Description
 
 
SYSTEM DIAGRAM
ComponentDescription
ADAS control unit 2Component Parts Location
 
 
ADAS CONTROL UNIT 2 INPUT/OUTPUT SIGNAL ITEM
 
 
Input Signal Item
Transmit unitSignal nameDescription
PHEV-ECUCAN communicationClosed throttle position signalReceives idle position state (ON/OFF)
Accelerator pedal position signalReceives accelerator pedal position (angle)
Engine speed signalReceives engine speed
MI PILOT Assist permission signalReceives an operable/inoperable state of the MI PILOT Assist
MI PILOT Assist steering switch signalReceives the operational state of the MI PILOT Assist steering switch
ABS actuator and electric unit (control unit)CAN communication
ABS malfunction signalReceives a malfunction state of ABS
ABS operation signalReceives an operational state of ABS
ABS warning light signalReceives an ON/OFF state of ABS warning light
TCS malfunction signalReceives a malfunction state of TCS
TCS operation signalReceives an operational state of TCS
ASC OFF signalReceives an ON/OFF state of ASC
ASC malfunction signalReceives a malfunction state of ASC
ASC operation signalReceives an operational state of ASC
Vehicle speed signal (ABS)Receives wheel speeds of four wheels
Yaw rate signalReceives yaw rate acting on the vehicle
Side G sensor signalReceives lateral G acting on the vehicle
Brake fluid pressure signalReceives brake fluid pressure
Electric parking brake operation signalReceives an operational state of the parking brake
BCMCAN communicationStop light switch signalReceives an operational state of the brake pedal
Brake pedal position switch signalReceives an operational state of the brake pedal
Turn indicator signalReceives an operational state of the turn signal light and the hazard light
Dimmer signalReceives ON/OFF state of dimmer signal
Door switch signalReceives an operational state of the each doors
Combination meterCAN communicationSystem selection signalReceives a selection state of each item selected with the information display
Driver seat belt switch signalReceives an operational state of the driver seat belt
Side radar LH, RHCAN communication Vehicle detection signalReceives vehicle detection condition of detection zone
Front camera unitCAN communicationPedestrian ahead signalReceives detection results of pedestrian ahead of vehicle
Vehicle ahead signalReceives detection results of vehicle ahead
Detected lane condition signalReceives detection results of lane marker
Motor operation signalReceives detection results of motor operation
Steering angle sensorCAN communicationSteering angle sensor malfunction signalReceives a malfunction state of steering angle sensor
Steering angle sensor signalReceives the number of revolutions, turning direction of the steering wheel
Steering angle speed signalReceives the turning angle speed of the steering wheel
Distance sensorCAN communicationDistance sensor signalReceives detection results, such as the presence or absence of a leading vehicle and distance from the vehicle
Power steering control moduleCAN communicationMI PILOT Assist permission signalReceives an operable/inoperable state of the MI PILOT Assist
Steering torque signalReceives steering input torque
AV control unitCAN communicationCurve signalReceives forward curve information
Sonar control unitCAN communicationSonar sensor signalReceives obstacle information (existence & distance)
 
 
Output Signal Item
Reception unitSignal nameDescription
ABS actuator and electric unit (via chassis control module)CAN communicationBrake wheel torque signalTransmits a brake wheel torque signal to activates the brake
Target yaw moment signalTransmits a target yaw moment signal to generate yaw moment to the vehicle
Brake fluid pressure control signalTransmits a brake fluid pressure control signal to activates the brake
Electric parking brake operation request signalTransmits a signal to operate the parking brake
Combination meterCAN communicationMeter display signalTransmits a signal to display a state of the system on the information display
Forward Collision Mitigation System (FCM) OFF warning lamp signalTransmits a signal to turn ON the light
Buzzer output signalTransmits a signal to activate buzzer
Rear AEB warning light signal
  • Transmits a signal to illuminate Rear AEB warning light
  • Transmits an ON/OFF state of the Rear AEB
Distance sensorCAN communicationVehicle speed signalTransmits a vehicle speed calculated by the ADAS control unit 2
Steering angle sensor signalTransmits a steering angle sensor signal received from the steering angle sensor
BCMCAN communicationStop light request signalTransmits a signal to activates the stop light
PHEV-ECUCAN communicationWheel torque request signalTransmits a signal to control the wheel torque
MI PILOT Assist operation signalTransmits an MI PILOT Assist operation signal necessary for MI PILOT Assist
Front camera unitCAN communicationVehicle speed signalTransmits a vehicle speed calculated by ADAS control unit 2
Turn indicator signalTransmits a turn indicator signal received from BCM
Side radar LH, RHCAN communicationVehicle speed signalTransmits a vehicle speed calculated by ADAS control unit 2
BSW indicator signalTransmits a BSW indicator signal to turn ON the BSW indicator
BSW indicator dimmer signalTransmits a BSW indicator dimmer signal to dimmer BSW indicator
Power steering control module (via chassis control module)CAN communicationMI PILOT Assist operation signalTransmits an MI PILOT Assist operation signal necessary for MI PILOT Assist
Head Up Display unitCAN communicationDisplay signalTransmits a signal to display a state of the system on the Head Up Display
Steering vibration motorMotor operation signalActivates a motor operation signal to activate the steering vibration motor
 
 
DESCRIPTION
  • ADAS* control unit 2 controls the following systems, based on CAN communication signal from each control unit.
    note*: Advanced Driver Assistance Systems
    • FCM
    • Rear AEB
    • MI PILOT Assist
    • PFCW
    • LDW
    • LDP
    • Active Blind Spot Assist [ABSA]
    • DAA
 
 
MAC (MESSAGE AUTHENTICATION CODE)
MAC (Message Authentication Code) is a function that prevents unauthorized communication from other than the ECU with MAC function by secure authentication communication. ADAS control unit 2 can write a MAC key required for communication between the ECUs and perform MAC diagnosis.