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Home >> Infiniti >> 2020 >> Q50 Pure, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (ADAS Control Unit) >> System Description >> System >> System Description >> ADAS Control Unit Input/Output Signal Item
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ADAS Control Unit Input/Output Signal Item

WARNING: This page is about a different car, the 2019 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

Input Signal Item 

Reception unit

Transmit unit

Signal name

Description

ADAS control unit

ECM

CAN communication

Idle switch signal

Receives idle position state (ON/OFF)

Closed throttle position signal

Receives idle position state (ON/OFF)

Accelerator pedal position signal

Receives accelerator pedal position (angle)

ICC prohibited signal

Receives an operable/inoperable state of the ICC system

Engine speed signal

Receives engine speed

ASCD enable signal*2

Receives an operable/inoperable state of the ASCD system

ICC steering switch signal*1

MAIN switch signal

Receives the operational state of the ICC steering switch

SET/COAST switch signal

CANCEL switch signal

RESUME/ACCELERATE switch signal

DISTANCE switch signal

Dynamic driver assistance switch signal

Stop lamp switch signal*1

Receives an operational state of the brake pedal

Brake pedal position switch signal*1

Receives an operational state of the brake pedal

ADAS control unit

EMCM*2

CAN communication

Brake pedal position switch signal

Receives an operational state of the brake pedal

ADAS control unit

TCM

(via ECM)*2

CAN communication

Input speed signal

Receives the number of revolutions of input shaft

Current gear position signal

Receives a current gear position

Shift position signal

Receives a select lever position

Output shaft revolution signal

Receives the number of revolutions of output shaft

ADAS control unit

ABS actuator and electric unit (control unit)

CAN communication

ABS malfunction signal

Receives a malfunction state of ABS

ABS operation signal

Receives an operational state of ABS

ABS warning lamp signal

Receives an ON/OFF state of ABS warning lamp

TCS malfunction signal

Receives a malfunction state of TCS

TCS operation signal

Receives an operational state of TCS

VDC OFF switch signal

Receives an ON/OFF state of VDC

VDC malfunction signal

Receives a malfunction state of VDC

VDC operation signal

Receives an operational state of VDC

Vehicle speed signal (ABS)

Receives wheel speeds of four wheels

Yaw rate signal

Receives yaw rate acting on the vehicle

Stop lamp switch signal

Receives an operational state of the brake pedal

ADAS control unit

Combination meter

CAN communication

Parking brake switch signal

Receives an operational state of the parking brake

ADAS control unit

BCM

CAN communication

Front wiper request signal

Receives an operational state of front wiper(s)

Turn indicator signal

Receives an operational state of the turn signal lamp and the hazard lamp

Dimmer signal

Receives ON/OFF state of dimmer signal

Stop lamp switch signal*2

Receives an operational state of the brake pedal

ADAS control unit

Steering angle sensor

CAN communication

Steering angle sensor malfunction signal

Receives a malfunction state of steering angle sensor

Steering angle sensor signal

Receives the number of revolutions, turning direction of the steering wheel

Steering angle speed signal

Receives the turning angle speed of the steering wheel

ADAS control unit

Display control unit

CAN communication

System selection signal

  • Receives a selection state of each item in "Driving Aids" selected with the integral switch
  • Receives a selection state of BCI in "Camera" selected with the integral switch

ADAS control unit

ICC sensor

ITS communication

ICC sensor signal

Receives detection results, such as the presence or absence of a leading vehicle and distance from the vehicle

ADAS control unit

Accelerator pedal actuator

ITS communication

Accelerator pedal actuator operation status signal

Receives an operational state of accelerator pedal actuator

ADAS control unit

Side radar LH, RH

ITS communication

Vehicle detection signal

Receives vehicle detection condition of detection zone

ADAS control unit

Sonar control unit

ITS communication

Rear object detection signal

Receives objects detection result of rear area behind vehicle

ADAS control unit

Lane camera unit

Chassis communication

Pedestrian ahead signal

Receives detection results of lane marker

ADAS control unit

Chassis control module

Chassis communication

Drive mode signal

Receives on operational state of the drive mode select switch

ADAS control unit

ICC steering switch*2

ICC steering switch signal

Dynamic driver assistance switch signal

Receives on operational state of the ICC steering switch

ADAS control unit 2*2

ECM

(Via ADAS control unit)

CAN communication

Accelerator pedal position signal

Receives accelerator pedal position (angle)

Engine speed signal

Receives engine speed

ADAS control unit 2*2

TCM

(via ECM and ADAS control unit)

CAN communication

Input speed signal

Receives the number of revolutions of input shaft

Current gear position signal

Receives a current gear position

Shift position signal

Receives a select lever position

Output shaft revolution signal

Receives the number of revolutions of output shaft

ADAS control unit 2*2

ABS actuator and electric unit (control unit)

(Via ADAS control unit)

CAN communication

ABS malfunction signal

Receives a malfunction state of ABS

ABS operation signal

Receives an operational state of ABS

TCS malfunction signal

Receives a malfunction state of TCS

TCS operation signal

Receives an operational state of TCS

VDC OFF switch signal

Receives an ON/OFF state of VDC

VDC malfunction signal

Receives a malfunction state of VDC

VDC operation signal

Receives an operational state of VDC

Vehicle speed signal (ABS)

Receives wheel speeds of four wheels

Yaw rate signal

Receives yaw rate acting on the vehicle

Side G sensor signal

Receives lateral G acting on the vehicle

ADAS control unit 2*2

Combination meter

(Via ADAS control unit)

CAN communication

Parking brake switch signal

Receives an operational state of the parking brake

ADAS control unit 2*2

BCM

(Via ADAS control unit)

CAN communication

Turn indicator signal

Receives an operational state of the turn signal lamp and the hazard lamp

Position light request signal

Receives an operational state of tail lamp

ADAS control unit 2*2

Steering angle sensor

(Via ADAS control unit)

CAN communication

Steering angle sensor malfunction signal

Receives a malfunction state of steering angle sensor

Steering angle sensor signal

Receives the number of revolutions, turning direction of the steering wheel

Steering angle speed signal

Receives the turning angle speed of the steering wheel

ADAS control unit 2*2

Display control unit

(Via ADAS control unit)

CAN communication

System selection signal

Receives a selection state of each item in "Driving Aids" selected with the integral switch

ADAS control unit 2*2

ICC sensor

ITS communication

ICC sensor signal

Receives detection results, such as the presence or absence of a leading vehicle and distance from the vehicle

ADAS control unit 2*2

Side radar LH, RH

ITS communication

Vehicle detection signal

Receives vehicle detection condition of detection zone

ADAS control unit 2*2

ADAS control unit

ITS communication

Driver assistance buzzer signal

Receives a driver assistance buzzer signal from ADAS control unit

ADAS control unit 2*2

Lane camera unit

Chassis communication

Detected lane condition signal

Receives detection results of lane marker

ADAS control unit 2*2

ICC steering switch

(Via ADAS control unit)

ICC steering switch signal

Dynamic driver assistance switch signal

Receives on operational state of the ICC steering switch

*1: VR30DDTT ENGINE

*2: 2.0 TURBO GASOLINE ENGINE

Output Signal Item 

Reception unit

Transmit unit

Signal name

Description

ECM

ADAS control unit

CAN communication

ICC operation signal

Transmits an ICC operation signal necessary for intelligent cruise control

Engine torque request (ASCD) signal*2

Transmits a engine torque request signal for ASCD.

ABS actuator and electric unit (via chassis control module)

ADAS control unit

CAN communication

Brake fluid pressure control signal

Transmits a brake fluid pressure control signal to activates the brake

Combination meter

ADAS control unit

CAN communication

Meter display signal

Vehicle ahead detection indicator signal

Transmits a signal to display a state of the system on the information display

Set vehicle speed indicator signal

Set distance indicator signal

SET switch indicator signal

MAIN switch indicator signal

DCA system display signal

FEB system display signal

PFCW system display signal

BSW system display signal

BCI system display signal

ICC malfunction signal

FEB warning lamp signal

  • Transmits a signal to turn ON the lamp
  • Transmits an ON/OFF state of the Forward Emergency Brake

ASCD status signal

Transmits a status of ASCD

ICC sensor

ADAS control unit

ITS communication

Vehicle speed signal

Transmits a vehicle speed calculated by the ADAS control unit

Steering angle sensor signal

Transmits a steering angle sensor signal received from the steering angle sensor

Accelerator pedal actuator

ADAS control unit

ITS communication

Accelerator pedal position signal

Transmits an accelerator pedal angle calculated by the ADAS control unit

Accelerator pedal feedback force control signal

Transmits a target actuation force value calculated by the ADAS control unit

Side radar LH, RH

ADAS control unit

ITS communication

Vehicle speed signal

Transmits a vehicle speed calculated by the ADAS control unit

Blind Spot Warning/Blind Spot Intervention indicator signal

Transmits a Blind Spot Warning/Blind Spot Intervention indicator signal to turn ON the Blind Spot Warning/Blind Spot Intervention indicator

Blind Spot Warning/Blind Spot Intervention indicator dimmer signal

Transmits a Blind Spot Warning/Blind Spot Intervention indicator dimmer signal to dimmer Blind Spot Warning/Blind Spot Intervention indicator

Sonar control unit

ADAS control unit

ITS communication

Buzzer drive signal

Transmits a buzzer drive signal to activate buzzer

Around view monitor control unit

ADAS control unit

ITS communication

BCI warning signal

Transmits a BCI warning signal to indicate a yellow/red frame on the upper display

ADAS control unit 2

ADAS control unit

ITS communication

Driver assistance buzzer signal

Transmits a driver assistance buzzer signal to activates the buzzer

ICC brake hold relay

ICC brake hold relay

ICC brake hold relay drive signal

Activates the brake hold relay and turns ON the stop lamp

ABS actuator and electric unit (via chassis control module)

(Via ADAS control unit)

ADAS control unit 2*2

CAN communication

Target yaw moment signal

Transmits a target yaw moment signal to generate yaw moment to the vehicle

Combination meter

(Via ADAS control unit)

ADAS control unit 2*2

CAN communication

Meter display signal

LDW system display signal

Transmits a signal to display a state of the system on the information display

LDP system display signal

Blind Spot Intervention system display signal

Side radar LH, RH

ADAS control unit 2*2

ITS communication

Vehicle speed signal

Transmits a vehicle speed calculated by the ADAS control unit

Blind Spot Warning/Blind Spot Intervention indicator signal

Transmits a Blind Spot Warning/Blind Spot Intervention indicator signal to turn ON the Blind Spot Warning/Blind Spot Intervention indicator

Blind Spot Warning/Blind Spot Intervention indicator dimmer signal

Transmits a Blind Spot Warning/Blind Spot Intervention indicator dimmer signal to dimmer Blind Spot Warning/Blind Spot Intervention indicator

Lane camera unit

ADAS control unit 2*2

Chassis communication

Vehicle speed signal

Transmits a vehicle speed calculated by ADAS control unit 2

Turn indicator signal

Transmits a turn indicator signal received from BCM

Driver assistance buzzer

ADAS control unit 2

Driver assistance buzzer signal

Activates a warning buzzer signal to activate the buzzer.

Steering vibration motor

ADAS control unit 2*2

Motor operation signal

Activates a motor operation signal to activate the steering vibration motor.

*1: VR30DDTT ENGINE

*2: 2.0 TURBO GASOLINE ENGINE