Nissan Murano: System / Rcta

Nissan Murano (Z52) 2015-2024 Service Manual / Cruise Control & Driver Assistance / Driver Assistance System :: Driver Assistance System / System Description / System / Rcta

System Description

SYSTEM DIAGRAM

ADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
TCM CAN communication Current gear position signal Receives a current gear position.
Shift position signal Receives a select lever position.
ABS actuator and electric unit (control unit) CAN communication ABS malfunction signal Receives a malfunction state of ABS.
VDC malfunction signal Receives a malfunction state of VDC.
Nissan Murano Vehicle speed signal (ABS) Receives wheel speeds of four wheels.
Combination meter CAN communication System selection signal Receives a selection state of each item in “Driver Assistance” selected with the integral switch.
Side radar LH, RH ITS communication Nissan Murano Vehicle detection signal Receives vehicle detection condition of detection zone.

Output Signal Item

Reception unit Signal name Description
Combination meter CAN communication BSW indicator signal Transmits a BSW indicator signal to turn ON the BSW indicator on the combination meter.
Warning system buzzer Warning buzzer output signal Activates warning system buzzer.
Side radar LH, RH ITS communication Blind Spot Warning indicator signal Transmits a Blind Spot Warning indicator signal to turn ON the Blind Spot Warning indicator.
Blind Spot Warning indicator dimmer signal Transmits a Blind Spot Warning indicator dimmer signal to dimmer Blind Spot Warning indicator.
Nissan Murano Vehicle speed signal Transmits a vehicle speed calculated by the ADAS control unit.

FUNCTION DESCRIPTION

  • The Rear Cross Traffic Alert system can help alert the driver of approaching vehicles when the driver is backing out of a parking space.

  • The RCTA system uses side radars installed near the rear bumper to detect approaching Nissan Murano vehicles.

  • The RCTA system operates at speeds below 5 MPH (8 km/h) whenever the vehicle is in reverse.

  • The side radar can detect Nissan Murano vehicles on either side of vehicle within the detection zone shown as illustrated.

  • The radar sensors detect the approaching Nissan Murano vehicle from up to approximately 20 m (66 ft) away.

  • If the radar detects a vehicle approaching from the side, the system gives visual and audible warning.

  • If the side radar detects an approaching Nissan Murano vehicle from the side, the RCTA system sounds a beep (single beep), the Blind Spot Warning indicator on the side of the approaching Nissan Murano vehicle flashes.

REAR CROSS TRAFFIC ALERT SYSTEM OPERATION DESCRIPTION

  • ADAS control unit enables Rear Cross Traffic Alert system.

  • The ADAS control unit turns ON the RCTA system when the BSW system is turned ON by the integral switch.

  • ADAS control unit starts the control as follows, based on a reverse gear signal and Nissan Murano vehicle detection signal.

  • Side radar detects a vehicle approaching, and transmits the vehicle detection signal to ADAS control unit via ITS communication.

Operation Condition of Rear Cross Traffic Alert System.

ADAS control unit performs the control when the following conditions are satisfied:

  • BSW system: ON (Selected by integral switch)

  • When the vehicle is moving in reverse at 5 MPH (8 km/h) or less.

    Bsw

    System Description SYSTEM DIAGRAMADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEMADAS control unit receives signals via CAN communication. It also detects vehicle conditions that are necessary for Blind Spot Warning control...

    Ldw

    System Description SYSTEM DIAGRAMADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEMInput Signal Item Transmit unit Signal name Description ABS actuator and electric unit (control unit) CAN communication Nissan Murano Vehicle speed signal (ABS) Receives wheel speeds of four wheels BCM CAN communication Turn indicator signal Receives an operational state of the turn signal lamp and the hazard lamp Combination meter CAN communication System selection signal Receives a selection state of each item in “Driver Assistance” selected with the Nissan Murano vehicle information display Lane camera unit ITS communication Detected lane condition signal Receives detection results of lane marker Output Signal Item Reception unit Signal name Description Combination meter CAN communication Lane departure warning lamp signal Transmits a lane departure warning lamp signal to turn ON the lane departure warning lamp Lane camera unit ITS communication Nissan Murano Vehicle speed signal Transmits a vehicle speed calculated by the ADAS control unit Turn indicator signal Transmits a turn indicator signal received from BCM Warning system buzzer Warning buzzer signal Activates warning system buzzer...

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