Nissan Murano: System Description / Operation

Nissan Murano (Z52) 2015-2024 Service Manual / Brakes / Brake Control System :: Automatic Emergency Braking / System Description / Operation

Switch Name and Function

No.	Switch name	Description
	AEB system setting screen (Integral switch settings screen)	The setting of AEB/I-FCW system can be switched between ON and OFF

Menu Displayed by Pressing Each Switch

SYSTEM DISPLAY

No.	Switch name	Description
	AEB warning lamp	When any of the following conditions, the AEB warning lamp illuminates: An abnormal condition is present in the AEB system The AEB system is turned OFF When any of the following conditions, the AEB warning lamp blinks: The distance sensor area of the front of the Nissan Murano vehicle is covered with dirt or is obstructed The interior temperature of the vehicle is extremely high The windshield is dirty, frosted, fogged up, or damaged in front of the lane camera unit The lane camera unit or the lane camera unit bracket is not mounted properly
	Nissan Murano Vehicle ahead indicator	Indicates whether it detects a vehicle ahead. Blinks when there is a possibility of a collision with the Nissan Murano vehicle ahead.
	AEB warning	Displays immediately before the harder brake operates

DISPLAY AND WARNING

Warning Display

System status	Condition	Display on combination meter	AEB warning lamp	Buzzer
AEB/I-FCW OFF	—	—	OFF	—
AEB/I-FCW ON	System ON		ON	—
AEB/I-FCW system malfunction	The AEB/I-FCW system is automatically canceled. NOTE: The system operates if the ignition switch is turned OFF⇒ON after the condition improves	Malfunction See Owner's Manual	ON	Beep

System status

Condition

Display on combination meter

AEB warning lamp

Buzzer

AEB/I-FCW OFF

—

OFF

—

AEB/I-FCW ON

System ON

—

AEB/I-FCW system malfunction

The AEB/I-FCW system is automatically canceled.

NOTE:

The system operates if the ignition switch is turned OFF⇒ON after the condition improves

Malfunction See Owner's Manual

Beep

Warning Operation

Condition	Action	Display on combination meter	AEB warning lamp	Chime
There is a possibility of a collision with the Nissan Murano vehicle ahead.	Accelerator pedal actuation Operates brake (Partial)		FLASHING	Beep
An obstacle ahead is avoided due to the system applying braking.	Operates brake (Emergency)		ON	Continuous beeps
Dirt around the distance sensor	The AEB system is automatically canceled. NOTE: The system operates if the ignition switch is turned OFF⇒ON after the condition improves.	Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner's Manual	Blink	—
Dirt around the distance sensor		Unavailable Front Radar Obstruction	Blink	—

System

System Description SYSTEM DIAGRAMADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEMInput 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) Engine speed signal Receives engine speed Stop lamp switch signal Receives an operational state of the brake pedal Brake pedal position switch signal Receives an operational state of the brake pedal 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 Nissan Murano Vehicle speed signal (ABS) Receives wheel speeds of four wheels Yaw rate signal Receives yaw rate acting on the Nissan Murano vehicle Stop lamp switch signal Receives an operational state of the brake pedal 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 ITS communication Distance sensor signal Receives detection results, such as the presence or absence of a leading Nissan Murano vehicle and distance from the vehicle Lane camera unit Chassis CAN communication Pedestrian ahead signal Receives detection results of pedestrian ahead of Nissan Murano vehicle Vehicle ahead signal Receives detection results of Nissan Murano vehicle ahead Output Signal Item Reception unit Signal name Description ABS actuator and electric unit (control unit) CAN communication Brake fluid pressure control signal Transmits a brake fluid pressure control signal to activates the brake Combination meter CAN communication Meter display signal Nissan Murano Vehicle ahead detection indicator signal Transmits a signal to display a state of the system on the information display AEB/I-FCW system display signal AEB warning signal Distance sensor ITS communication Nissan Murano 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 Warning buzzer Warning buzzer signal Activates the warning buzzer ICC brake hold relay ICC brake hold relay drive signal Activates the brake hold relay and turns ON the stop lamp DESCRIPTION Automatic Emergency Braking (AEB) system can assist the driver when there is a forward collision with the Nissan Murano vehicle ahead in the traveling lane...

Handling Precaution

Description PRECAUTIONS FOR AUTOMATIC EMERGENCY BRAKING (AEB) The automatic emergency braking (AEB) system is a supplemental aid to the driver. It is not a replacement for the driver′s attention to traffic conditions or responsibility to drive safely...

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