LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Cruise Control System (ICC) >> System Description >> System >> System Description >> ADAS Control Unit Input/Output Signal Item
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ADAS Control Unit Input/Output Signal Item

Input Signal Item 

Transmit unit

Signal name

Description

ECM

CAN communication

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

ICC steering switch signal

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

Engine speed signal

Receives engine speed

Stop lamp switch signal

Receives an operational state of the brake pedal

Snow mode switch signal

Receives an operational state of the snow mode

TCM

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 selector lever position

Output shaft revolution signal

Receives the number of revolutions of output shaft

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

Stop lamp switch signal

Receives an operational state of the brake pedal

Yaw rate signal

Receives yaw rate acting on the vehicle

BCM

CAN communication

Brake pedal position switch signal

Receives a brake pedal position switch signal

Combination meter

CAN communication

Parking brake switch signal

Receives an operational state of the parking brake

System selection signal

Receives a selection state of FEB system

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

Distance sensor

CAN communication

Distance sensor signal

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

Output Signal Item 

Reception unit

Signal name

Description

ECM

CAN communication

ICC operation signal

Transmits an ICC operation signal necessary for Intelligent Cruise Control

ABS actuator and electric unit (control unit) (via chassis control module)

CAN communication

Brake fluid pressure control signal

Transmits a brake fluid pressure control signal to activate the brake

Combination meter

CAN communication

Meter display signal

ICC warning lamp signal

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

Vehicle ahead detection indicator signal

Set vehicle speed indicator signal

Set distance indicator signal

MAIN switch indicator signal

FEB OFF indicator lamp signal

  • Transmits a signal to turn ON the FEB OFF indicator lamp
  • Transmits an ON/OFF state of the FEB system

Buzzer output signal

Transmits a buzzer output signal to turn ON the buzzer of the following systems:

  • Intelligent Cruise Control (ICC)
  • Forward Emergency Braking (FEB)

Distance sensor

CAN communication

Vehicle speed signal

Transmits a vehicle speed calculated by the ADAS control unit

Driver assistance buzzer

Driver assistance buzzer signal

Transmits a driver assistance buzzer signal to turn ON the buzzer