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Nissan Pathfinder Owners & Service Manuals

Nissan Pathfinder: System Description - System ++

Nissan Pathfinder (R53) 2022-2025 Service Manual / Cruise Control & Driver Assistance :: Driver Assistance System / Driver Assistance System :: System Description / System ++

I-Fcw

System Description

SYSTEM DIAGRAM

Component Description
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
Distance sensor Distance Sensor
Head Up Display unit Head Up Display Unit
ADAS control unit 2 ADAS Control Unit 2

ADAS CONTROL UNIT 2 INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
ABS actuator and electric unit (control unit) CAN communication Nissan Pathfinder 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 “Driving Assistance” selected with Nissan Pathfinder vehicle information display
Distance sensor CAN communication Distance sensor signal Receives detection results, such as the presence or absence of a leading Nissan Pathfinder vehicle and distance from the vehicle

Output Signal Item

Reception unit Signal name Description
Combination meter CAN communication Meter display signal Transmits a signal to display a state of the system on the information display
Buzzer output signal Transmits a signal to activate buzzer
Distance sensor CAN communication Nissan Pathfinder Vehicle speed signal Transmits a vehicle speed calculated by the ADAS control unit 2
Head Up Display unit CAN communication Display signal Transmits a signal to display a state of the system on the Head Up Display unit

FUNCTION DESCRIPTION

  • The Intelligent Forward Collision Warning (I-FCW) system will function when the vehicle is driven at speeds of approximately 5 km/h (3 MPH) and above.

  • The Intelligent Forward Collision Warning (I-FCW) system alerts the driver by the Nissan Pathfinder vehicle ahead detection indicator and chime when the distance between own vehicle and a vehicle in front of the Nissan Pathfinder vehicle ahead becomes closer.

OPERATION DESCRIPTION

The distance from the vehicle in front of the vehicle ahead and a relative speed are calculated by using the distance sensor and an distance sensor signal is transmitted to the ADAS control unit 2 via CAN communication. When judging the necessity of warning according to the received distance sensor signal, the ADAS control unit 2 transmits a meter display signal and a buzzer output signal to the combination meter via CAN communication.

OPERATION CONDITION

ADAS control unit 2 performs the control when the following conditions are satisfied.

  • I-FCW system: ON

  • Vehicle speed: Approximately 5 km/h (3 MPH) and above.

  • Nissan Pathfinder Vehicle in front of the vehicle ahead: Detected.

NOTE:

    • ON/OFF of I-FCW system is performed with the information display.

 

CANCEL CONDITION

The ADAS control unit 2 cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

  • When the distance sensor picks up interference from another radar source and making it impossible to detect a Nissan Pathfinder vehicle ahead.

  • When the distance sensor area of the front grill is dirty and the measurement of the distance between the Nissan Pathfinder vehicles becomes difficult.

Ldw

System Description

SYSTEM DIAGRAM

Component Description
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
BCM System Description
Front camera unit Front Camera Unit
ADAS control unit 2 ADAS Control Unit 2
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
EPS control unit Steering Gear Assembly

ADAS CONTROL UNIT 2 INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
ABS actuator and electric unit (control unit) CAN communication Nissan Pathfinder 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 selected with the information display
Front camera unit CAN communication Detected lane condition signal Receives detection results of lane marker

Output Signal Item

Reception unit Signal name Description
Combination meter CAN communication Meter display signal Transmits a meter display signal to turn ON the LDW system display
EPS control unit CAN communication Steering vibration signal Transmits a EPS control unit to activate the steering vibration

FUNCTION DESCRIPTION

  • Lane Departure Warning (LDW) system provides a LDW function when the vehicle is driven at speeds of approximately 60 km/h (37 MPH) or more.

  • When the Nissan Pathfinder vehicle approaches either the left or the right side of the traveling lane, a steering vibration activates and the LDW indicator (yellow) on the combination meter blinks to alert the driver.

  • The warning does not occur during turn signal operation (Lane change side).

  • The warning function stops when the Nissan Pathfinder vehicle returns inside of the lane markers.

EXAMPLE

When the vehicle approaches the right lane marker, the driver is alerted by the steering vibration and the blinking of LDW warning display (yellow).

OPERATION DESCRIPTION

  • The front camera unit monitors lane markers of the traveling lane.

  • When judging from a lane marker detection signal that the Nissan Pathfinder vehicle is approaching the lane marker, the ADAS control unit 2 controls the following item to alert the driver.

    • ADAS control unit 2 transmits a steering vibration signal to EPS control unit via CAN communication and activates the steering vibration.

    • ADAS control unit 2 transmits a meter display signal to combination meter via CAN communication and turns ON/OFF the LDW system display.

OPERATION CONDITION

ADAS control unit 2 performs the control when the following conditions are satisfied.

  • LDW system: ON

  • Vehicle speed: approximately 60 km/h (37 MPH) or more

  • Turn indicator signal: After 2 seconds or more from turned OFF

NOTE:

    • LDW system ON/OFF can be set on the information display.

    • After the operating conditions of warning are satisfied, the warning continues until the Nissan Pathfinder vehicle speed reaches approximately 55 km/h (34 MPH)

    • The LDW system may not function properly, depending on the situation. Refer to Handling Precaution.

 

CANCEL CONDITION

The ADAS control unit 2 cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

  • When the front camera unit becomes high temperature [over approximately 40 °C (104 °F)].

I-Li

System Description

SYSTEM DIAGRAM

Component Description
ECM ECM
TCM TCM
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
BCM System Description
Steering angle sensor Steering Angle Sensor
Front camera unit Front Camera Unit
ADAS control unit 2 ADAS Control Unit 2
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
EPS control unit Steering Gear Assembly
Chassis control module Chassis Control Module

ADAS CONTROL UNIT 2 INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
ECM CAN communication Accelerator pedal position signal Receives accelerator pedal position (angle)
Engine speed signal Receives engine speed
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 select 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
TCS malfunction signal Receives a malfunction state of TCS
TCS operation signal Receives an operational state of TCS
VDC OFF signal Receives an ON/OFF state of ESP
VDC malfunction signal Receives a malfunction state of ESP
VDC operation signal Receives an operational state of ESP
Nissan Pathfinder Vehicle speed signal (ABS) Receives wheel speeds of four wheels
Yaw rate signal Receives yaw rate acting on the Nissan Pathfinder vehicle
Side G sensor signal Receives lateral G acting on the Nissan Pathfinder vehicle
Combination meter CAN communication System selection signal Receives a selection state of each item in “Driving Aids” selected with the information display
BCM CAN communication Turn indicator signal Receives an operational state of the turn signal lamp and the hazard lamp
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
Front camera unit CAN communication Detected lane condition signal Receives detection results of lane marker

Output Signal Item

Reception unit Signal name Description
ABS actuator and electric unit (via chassis control module) CAN communication Target yaw moment signal Transmits a target yaw moment signal to generate yaw moment to the Nissan Pathfinder vehicle
Combination meter CAN communication Meter display signal Transmits an meter display signal to turn ON the I-LI system display
Front camera unit CAN communication Nissan Pathfinder Vehicle speed signal Transmits a vehicle speed calculated by ADAS control unit 2
Turn indicator signal Transmits a turn indicator signal received from BCM
EPS control unit CAN communication Steering vibration signal Transmits a EPS control unit to activate the steering vibration

FUNCTION DESCRIPTION

  • Intelligent-Lane Intervention (I-LI) system provides a lane departure warning and brake control assistance when the Nissan Pathfinder vehicle is driven at speeds of approximately 60 km/h (37 MPH) or more.

  • When the vehicle approaches either the left or the right side of the traveling lane, a steering vibration activates and the I-LI warning display on the information display blinks to alert the driver. Then, the I-LI system automatically applies the brakes for a short period of time to help assist the driver to return the Nissan Pathfinder vehicle to the center of the traveling lane.

  • Warning and brake control are not performed during turn signal operation (lane change side).

  • The warning and assist functions stop when the Nissan Pathfinder vehicle returns to a position inside of the lane marker.

EXAMPLE

When the vehicle approaches the right lane marker, the driver is alerted by the steering vibration and the blinking of I-LI indicator. Simultaneously, the left brake is controlled independently to generate force toward the direction to recover the Nissan Pathfinder vehicle from the lane departure.

OPERATION DESCRIPTION

  • When the system is turned ON by dynamic driver assistance switch, ADAS control unit 2 transmits meter display signal to combination meter via CAN communication.

  • Front camera unit monitors lane markers of the traveling lane. It transmits the detected lane condition signal to ADAS control unit 2 via chassis CAN communication.

  • When judging from a lane marker detection signal that the Nissan Pathfinder vehicle is approaching the lane marker, ADAS control unit 2 controls the following items.

    • ADAS control unit 2 transmits a steering vibration signal to EPS control unit via CAN communication and activates the steering vibration.

    • Transmits a meter display signal to combination meter via CAN communication.

    • Calculates necessary yaw moment to transmit a target yaw moment signal to ABS actuator and electric unit (control unit) via CAN communication

  • When receiving the target yaw moment signal, ABS actuator and electric unit (control unit) controls brake pressure of four wheels, respectively.

  • When receiving the signal from ADAS control unit 2, combination meter turns ON/OFF the I-LI system display.

OPERATION CONDITION

ADAS control unit 2 performs the control when the following conditions are satisfied.

  • I-LI system: ON

  • Vehicle speed: approximately 60 km/h (37 MPH) or more

  • Turn indicator signal: After 2 seconds or more from turned OFF

NOTE:

    • I-LI system ON/OFF can be set on the information display.

    • After the operating conditions are satisfied, the control continues until the Nissan Pathfinder vehicle speed reaches approximately 50 km/h (31 MPH).

    • The I-LI system may not function properly, depending on the situation.

 

CANCEL CONDITION

The ADAS control unit 2 cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

  • When the VDC or ABS (Including the TCS) operates.

  • When the VDC is turned OFF

  • When the SNOW mode is selected.

  • When the SAND mode is selected (AWD models).

  • When the MUD/RUT mode is selected (AWD models).

  • When the front camera unit becomes high temperature [over approximately 40 °C (104 °F)].

Bsw

System Description

SYSTEM DIAGRAM

Component Description
TCM TCM
BCM System Description
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
Side radar LH/RH Side Radar LH/RH
BSW indicator LH, RH BSW Indicator LH/RH

SIDE RADAR INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
TCM CAN communication Shift position signal Receives a select lever position
ABS actuator and electric unit (control unit)

CAN communication

Nissan Pathfinder 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
Dimmer signal Receives ON/OFF state of dimmer signal
Combination meter CAN communication System selection signal Receives a selection state of each item selected with the information display

Output Signal Item

Reception unit Signal name Description
Combination meter CAN communication Meter display signal Transmits a signal to display a state of the system on the information display
Buzzer output signal Transmits a signal to activate buzzer
BSW indicator LH, RH BSW indicator signal Transmits a BSW indicator signal to turn ON the BSW indicator
BSW indicator dimmer signal Transmits a BSW indicator dimmer signal to dimmer BSW indicator

FUNCTION DESCRIPTION

  • The Blind Spot Warning (BSW) system can help alert the driver of other vehicles in adjacent lanes when changing lanes.

  • The BSW system uses side radar installed near the rear bumper to detect Nissan Pathfinder vehicles in an adjacent lane.

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

  • This detection zone starts from the outside mirror of Nissan Pathfinder vehicle and extends approximately 10 ft (3.0 m) behind the rear bumper, and approximately 10 ft (3.0 m) sideways.

  • The BSW system operates above approximately 32 km/h (20 MPH).

  • If the side radar detects Nissan Pathfinder vehicles in the detection zone, the BSW indicator illuminates.

  • If the driver then activates the turn signal, a buzzer sounds twice and the BSW indicator blinks.

    NOTE:

    A buzzer sounds if the side radar have already detected Nissan Pathfinder vehicles when the driver activates the turn signal. If a vehicle comes into the detection zone after the driver activates the turn signal, then only the BSW indicator blinks and no buzzer sounds.

     

OPERATION DESCRIPTION

  • Side radar enables BSW system.

  • The side radar turns on the BSW system when the turned ON by information display.

  • Side radar detects a Nissan Pathfinder vehicle in the adjacent lane.

  • Side radar starts the control as follows, based on a vehicle detection signal, turn signal and dimmer signal transmitted from BCM via CAN communication:

    • Transmits BSW indicator signal and BSW indicator dimmer signal to BSW indicator.

    • Transmits a buzzer output signal to combination meter.

OPERATION CONDITION

Side radar performs the control when the following conditions are satisfied.

  • BSW system: ON

  • Vehicle speed: Approximately 32 km/h (20 MPH) or more

NOTE:

    • ON/OFF of BSW system is performed with the information display.

    • After the operating conditions of warning are satisfied, the warning continues until the Nissan Pathfinder vehicle speed reaches approximately 29 km/h (18 MPH)

    • The BSW system may not function properly, depending on the situation. Refer to Handling Precaution.

 

CANCEL CONDITION

The side radar cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

  • When the area around the side radar is dirty.

I-Bsi

System Description

SYSTEM DIAGRAM

Component Description
ECM ECM
TCM TCM
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
BCM System Description
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
Steering angle sensor Steering Angle Sensor
ADAS control unit 2 ADAS Control Unit 2
Side radar LH/RH Side Radar LH/RH
Front camera unit Front camera unit
BSW indicator LH, RH BSW Indicator LH/RH
Chassis control module Chassis Control Module

ADAS CONTROL UNIT 2 INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
ECM CAN communication Accelerator pedal position signal Receives accelerator pedal position (angle)
Engine speed signal Receives engine speed
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 select 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
TCS malfunction signal Receives a malfunction state of TCS
TCS operation signal Receives an operational state of TCS
VDC OFF signal Receives an ON/OFF state of ESP
VDC malfunction signal Receives a malfunction state of ESP
VDC operation signal Receives an operational state of ESP
Nissan Pathfinder Vehicle speed signal (ABS) Receives wheel speeds of four wheels
Yaw rate signal Receives yaw rate acting on the Nissan Pathfinder vehicle
Side G sensor signal Receives lateral G acting on the Nissan Pathfinder vehicle
BCM CAN communication 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
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
Combination meter CAN communication System selection signal Receives a selection state of each item selected with the information display
Front camera unit CAN communication Detected lane condition signal Receives detection results of lane marker
Side radar LH, RH CAN communication Nissan Pathfinder Vehicle detection signal Receives vehicle detection condition of detection zone

Output Signal Item

Reception unit Signal name Description
ABS actuator and electric unit (via chassis control module) CAN communication Target yaw moment signal Transmits a target yaw moment signal to generate yaw moment to the Nissan Pathfinder vehicle
Combination meter CAN communication Meter display signal Transmits a signal to display a state of the system on the information display
Buzzer output signal Transmits a signal to activate buzzer
Side radar LH, RH CAN communication Nissan Pathfinder Vehicle speed signal Transmits a vehicle speed calculated by the ADAS control unit 2
BSW indicator signal Transmits a BSW indicator signal to turn ON the BSW indicator
BSW indicator dimmer signal Transmits a BSW indicator dimmer signal to dimmer BSW indicator
Front camera unit CAN communication Nissan Pathfinder Vehicle speed signal Transmits a vehicle speed calculated by ADAS control unit 2
Turn indicator signal Transmits a turn indicator signal received from BCM

FUNCTION DESCRIPTION

  • The I-BSI system can help alert the driver of other vehicles in adjacent lanes when changing lanes. I-BSI always operates together with Blind Spot Warning.

  • The I-BSI system operates above approximately 60 km/h (37 MPH).

  • The I-BSI system uses side radar installed near the rear bumper to detect other Nissan Pathfinder vehicles beside vehicle in an adjacent lane.

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

  • This detection zone starts from the outside mirror of Nissan Pathfinder vehicle and extends approximately 10 ft (3.0 m) behind the rear bumper, and approximately 10 ft (3.0 m) sideways.

  • If the BSW indicator is illuminated while Nissan Pathfinder vehicle is approaching a lane marker, the BSW indicator blinks and an audible warning will sound three times. Then the system applies the brakes on one side of the Nissan Pathfinder vehicle for a short period of time to help return the vehicle back to the center of the lane.

  • I-BSI operates regardless of turn signal usage.

  • The brightness of BSW indicator lights is adjusted automatically depending on the brightness of the ambient light.

NOTE:

    • I-BSI is typically activated earlier than I-LI when getting closer to the lane marker.

    • Warning and brake control will only be activated if the BSW indicator is already illuminated when Nissan Pathfinder vehicle approaches a lane marker.

    • If another vehicle comes into the detection zone after vehicle has crossed a lane marker, no warning or brake control will be activated.

 

OPERATION DESCRIPTION

  • ADAS control unit 2 enables I-BSI system.

  • Turn ON the dynamic driver assistance switch, and I-BSI system setting on the information display.

  • Combination meter turns I-BSI system display ON/OFF according to the signals from ADAS control unit 2 via CAN communication.

  • Side radar detects a Nissan Pathfinder vehicle in the adjacent lane, and transmits the vehicle detection signal to ADAS control unit 2 via CAN communication.

  • Side radar receives Nissan Pathfinder vehicle speed signal from ADAS control unit 2 and changes its detecting function.

  • Front camera unit monitors lane markers of the traveling lane and transmits the detected lane condition signal to ADAS control unit 2 via CAN communication.

  • ADAS control unit 2 starts the control as follows, based on a Nissan Pathfinder vehicle detection signal, lane condition signal, turn signal and position light request signal transmitted from BCM via CAN communication:

    • BSW indicator signal and BSW indicator dimmer signal transmission to side radar.

    • Calculation of necessary yaw moment and transmission of the target yaw moment signal to ABS actuator and electric unit (control unit).

  • Side radar transmits an indicator operation signal to the BSW indicator according to BSW indicator signal and BSW indicator dimmer signal.

  • ABS actuator and electric unit (control unit) controls brake pressure of four wheels respectively according to the target yaw moment signal.

OPERATION CONDITION

  • I-BSI system: ON

  • Vehicle speed: Approximately 60 km/h (37 MPH) or more

NOTE:

    • I-BSI system ON/OFF can be set on the information display.

    • The I-BSI system may not function properly, depending on the situation. Refer to Handling Precaution.

    • I-BSI braking will not operate or will stop operating and only a warning chime will sound under the following conditions.

      • When the brake pedal is depressed.

      • When the accelerator pedal is depressed while brake control assist is provided.

      • When steering quickly.

      • When the ProPILOT Assist or AEB warnings sound.

      • When the hazard warning flashers are operated.

      • When driving on a curve at a high speed.

    • Under the following conditions, the I-BSI system will be turned off automatically, a beep will sound and the I-BSI system display will change color to yellow. The BSW system is still available, but the I-BSI system will not be available until the conditions no longer exist.

      • When the VDC system (except TCS function) or ABS operates.

      • When the VDC system is turned OFF.

 

CANCEL CONDITION

The ADAS control unit 2 cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

  • When the front camera unit becomes high temperature [over approximately 40 °C (104 °F)].

  • When the area around the side radar is dirty.

  • When the VDC or ABS (Including the TCS) operates.

  • When the VDC is turned OFF

  • When the SNOW mode is selected.

  • When the SAND mode is selected (AWD models).

  • When the MUD/RUT mode is selected (AWD models).

Rcta

System Description

SYSTEM DIAGRAM

Component Description
TCM TCM
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
Side radar LH, RH Side Radar LH/RH
BSW indicator LH, RH BSW Indicator LH/RH

SIDE RADAR INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
TCM CAN communication Shift position signal Receives a selector lever position
ABS actuator and electric unit (control unit) CAN communication Nissan Pathfinder Vehicle speed signal (ABS) Receives wheel speeds of four wheels
Combination meter CAN communication System selection signal Receives a selection state of each item selected through the Nissan Pathfinder vehicle information display

Output Signal Item

Reception unit Signal name Description
Combination meter CAN communication Buzzer output signal Transmits a signal to activate buzzer
BSW indicator LH, RH BSW indicator signal Transmits a BSW indicator signal to turn ON the BSW indicator
BSW indicator dimmer signal Transmits a BSW indicator dimmer signal to dimmer BSW indicator

FUNCTION DESCRIPTION

  • The Rear Cross Traffic Alert (RCTA) 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 Pathfinder vehicles.

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

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

  • The radar sensors detect the approaching Nissan Pathfinder 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 Pathfinder vehicle from the side, the RCTA system sounds a beep (single beep), the BSW indicator on the side of the approaching Nissan Pathfinder vehicle flashes.

OPERATION DESCRIPTION

  • Side radar enables RCTA system.

  • Side radar starts the control as follows, based on a reverse gear signal and Nissan Pathfinder vehicle detection signal.

  • Side radar detects a vehicle approaching.

OPERATION CONDITION

Side radar performs the control when the following conditions are satisfied:

  • RCTA system: ON

  • Vehicle speed: Approximately 8 km/h (5 MPH) or less

  • Selector lever: “R” position

CANCEL CONDITION

The side radar cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

  • When the area around the side radar is dirty.

Tsr

System Description

SYSTEM DIAGRAM

Component Description
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
Steering angle sensor Steering Angle Sensor
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
Front camera unit Front Camera Unit
Head Up Display unit Head Up Display Unit

FRONT CAMERA INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
ABS actuator and electric unit (control unit) CAN communication Nissan Pathfinder Vehicle speed signal (ABS) Receives the wheel speed of the four wheels
Combination meter CAN communication System selection signal Receives a selection state of each item selected with the combination meter
Steering angle sensor CAN communication Steering angle sensor signal Receives the number of revolutions, turning direction of the steering wheel

Output Signal Item

Reception unit Signal name Description
Combination meter CAN communication Meter display signal Transmits a signal to display a state of the system on the information display
Buzzer output signal Transmits a signal to activate buzzer
Head Up Display unit CAN communication Display signal Transmits a signal to display a state of the system on the Head Up Display unit

FUNCTION DESCRIPTION

  • Displays the road conditions as identified by the front camera unit on the information display, and alerts the driver. Identifies the road sign information.

  • The front camera unit detects road signs as described below and displays them on the information display.

    Latest detected speed limit No passing zone    

EXAMPLE

OPERATION DESCRIPTION

  • The TSR system is controlled by the front camera unit.

  • The front camera unit turns on the TSR system when the turned ON by combination meter.

  • The front camera unit detects the road sign.

  • The front camera unit transmits the meter display signal to the combination meter, when detecting the road sign.

  • The front camera unit adjusts the detection range of road signs according to a steering angle sensor signal received from the steering angle sensor.

OPERATION CONDITION

Front camera unit performs the control when the following conditions are satisfied.

  • TSR system: ON

NOTE:

    • TSR system ON/OFF can be set on the combination meter

    • The TSR system may not function properly, depending on the situation.

 

CANCEL CONDITION

The front camera unit cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

  • When the front camera unit becomes high temperature [over approximately 40 °C (104 °F)].

I-Da

System Description

SYSTEM DIAGRAM

Component Description
BCM System Description
Combination meter (FULL TFT METER) Combination Meter
Combination meter (7 INCH INFORMATION DISPLAY) Combination Meter
Steering angle sensor Steering Angle Sensor
ABS actuator and electric unit (control unit) ABS Actuator and Electric Unit (Control Unit)
ADAS control unit 2 ADAS Control Unit 2

ADAS CONTROL UNIT 2 INPUT/OUTPUT SIGNAL ITEM

Input Signal Item

Transmit unit Signal name Description
ABS actuator and electric unit (control unit) CAN communication Nissan Pathfinder Vehicle speed signal (ABS) Receives the wheel speed of the four wheels
Combination meter CAN communication System selection signal Receives a selection state of each item selected with the combination meter
Steering angle sensor CAN communication Steering angle sensor signal Receives the amount of rotation, rotational angle, and rotational direction of the steering wheel
BCM CAN communication Turn indicator signal Receives an operational state of the turn signal lamp and hazard lamp

Output Signal Item

Reception unit Signal name Description
Combination meter CAN communication Meter display signal Transmits a signal and displays the status on the Nissan Pathfinder vehicle information display

FUNCTION DESCRIPTION

  • Operates when the vehicle speed is 55 km/h (34 MPH) or higher.

  • Detects the steering status and judges the attentiveness of the driver. The driver's attentiveness is shown on the Nissan Pathfinder vehicle information display in eight stages (level indicator).

  • When it is judged from the degree of minor swerving in the steering operation that the Nissan Pathfinder vehicle is drifting, the driver is prompted to exert caution by the drift warning, which displays on the combination meter.

  • When the engine is stopped, the system is reset.

OPERATION DESCRIPTION

  • The I-DA (Intelligent Driver Alertness) is controlled by the ADAS control unit 2.

  • ON/OFF of the I-DA is performed by using the combination meter.

  • The steering angle sensor detects the degree of swerving in the steering operation.

  • When the ADAS control unit 2 judges that the steering operation is drifting it transmits the meter display signal to the combination meter.

OPERATION CONDITION

ADAS control unit 2 performs the control when the following conditions are satisfied.

  • I-DA system: ON

  • Vehicle speed: Approximately 55 km/h (34 MPH) or more

NOTE:

    • I-DA system ON/OFF can be set on the information display.

    • When the engine is stopped, the system is reset.

    • The I-DA system may not function properly, depending on the situation.

 

CANCEL CONDITION

The ADAS control unit 2 cancels the operation when the system is under any conditions of the operation cancellation condition.

  • When the system malfunction occurs.

Fail-safe (ADAS Control Unit)

Refer to Fail-Safe (ADAS Control Unit 2).

Fail-safe (Distance Sensor)

If a malfunction occurs in the distance sensor, ADAS control unit 2 cancels control, sounds a beep, and turns ON the warning indicator on the information display.

Fail-safe (Front Camera Unit)

FAIL-SAFE CONTROL BY DTC

If a malfunction occurs in the front camera unit, ADAS control unit 2 cancels control, sounds a beep, and turns ON the warning indicator on the information display.

TEMPORARY DISABLED STATUS AT HIGH TEMPERATURE

  • If the vehicle is parked in direct sunlight under high temperature conditions, the system may be deactivated automatically. At this time, ADAS control unit 2 turns ON the AEB warning lamp and indicates the warning message on the information display.

  • When the interior temperature is reduced, the system will resume operation automatically.

  • When Nissan Pathfinder vehicle front identification is difficult due to soiling of windshield glass and strong light shining from the front, operation may be canceled temporarily. At this time, ADAS control unit 2 turns ON the AEB warning lamp.

Fail-safe (Side Radar)

FAIL-SAFE CONTROL BY DTC

If a malfunction occurs in the side radar, ADAS control unit 2 cancels control, sounds a beep, and turns ON the warning indicator on the information display.

TEMPORARY DISABLED STATUS AT BLOCKAGE

When the side radar is blocked, the operations of BSW/ RCTA systems are temporarily cancelled. Then the warning message is displayed on information display. Also, under the following conditions, the operation may be temporarily cancelled.

  • The side radar may be blocked by temporary ambient conditions such as splashing water, mist or fog.

  • The blocked condition may also be caused by objects such as ice, frost or dirt obstructing the side radar.

Nissan Pathfinder (R53) 2022-2025 Service Manual

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