Nissan Pathfinder: Door & Lock - System (intelligent Key System)

• Intelligent Key System
• Door Lock Function
• Back Door Open Function
• Remote Keyless Entry Function ➤
• Key Reminder Function
• Power Consumption Control System
• Information Display (combination Meter) ➤
• Warning/indicator/chime List

Intelligent Key System Nissan Pathfinder R53

System Description

SYSTEM DIAGRAM

SYSTEM DESCRIPTION

• The Intelligent Key system is a system that makes it possible to lock and unlock the door locks (door lock/unlock function) by carrying the Intelligent Key, which operates based on the results of electronic ID verification using two-way communication between the Intelligent Key and the Nissan Pathfinder vehicle (Intelligent Key unit).

  NOTE:

  The driver should always carry the Intelligent Key

  CONSULT

• The settings for each function can be changed.

• If an Intelligent Key is lost, a new Intelligent Key can be registered. A maximum of 4 Intelligent Keys can be registered.

• It is possible to perform a diagnosis on the system and register an Intelligent Key.

Door Lock Function Nissan Pathfinder

System Description

SYSTEM DIAGRAM

System Description

Door lock function controls operation function of the following items.

• Door lock and unlock function (door request switch)

• Selective unlock function (door request switch)

• Reminder function (door request switch)

• Auto door lock function (door request switch)

Signal transmission function list

DOOR LOCK AND UNLOCK FUNCTION (DOOR REQUEST SWITCH)

When pressing the door request switch, it is possible to lock and unlock the door by carrying the Intelligent Key.

Operation Description

• When the Intelligent Key unit detects that each door request switch is pressed, it starts the outside key antenna and inside key antenna corresponding to the pressed door request switch and transmits the request signal to the Intelligent Key. Check that the Intelligent Key is near the door.

• If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and transmits the key ID signal to the Intelligent Key unit via remote keyless entry receiver.

• Intelligent Key unit receives the key ID signal and compares it with the registered key ID to the Nissan Pathfinder vehicle.

• If the verification result is OK, Intelligent Key unit transmits the door lock/unlock request signal to BCM via CAN communication.

• BCM transmits door lock/unlock request signal to each door lock actuator, activates each door lock actuator when receiving door lock/unlock request signal from Intelligent unit.

Operation Condition

If the following conditions are satisfied, door lock and unlock operation is performed if the door request switch is operated.

*: Even with a registered Intelligent Key remaining inside the vehicle, door lock or unlock can be operated from outside of the Nissan Pathfinder vehicle with a spare Intelligent Key as long as key IDs are different.

SELECTIVE UNLOCK FUNCTION (DOOR REQUEST SWITCH)

NOTE:

When “Approach Unlock” in “Nissan Pathfinder Vehicle Settings” of “combination meter” is [On], selective unlock function cannot operate.

Lock Operation

When lock signal is sent from door request switch, all doors are locked.

Unlock Operation

• When unlock signal from front door request switch LH is transmitted, front door LH unlocks. When front door request switch LH is operated again within 60 seconds, all door unlock.

• When unlock signal from front door request switch RH is transmitted, front door RH unlock. When front door request switch RH is operated again within 60 seconds, all doors unlocks.

• When unlock signal from rear door request switch RH is transmitted, rear door RH unlock. When rear door request switch RH is operated again within 60 seconds, all doors unlocks.

• When unlock signal from rear door request switch LH is transmitted, rear door LH unlock. When rear door request switch LH is operated again within 60 seconds, all doors unlocks.

• When unlock signal from back door request switch is transmitted, back door unlock. When back door request switch is operated again within 60 seconds, all doors unlocks.

REMINDER FUNCTION (DOOR REQUEST SWITCH)

When doors are locked or unlocked by door request switch, BCM blinks hazard warning lamps as a reminder or Intelligent Key warning buzzer signal to Intelligent Key unit via CAN communication. Reminder function does not operate if ignition switch in ON position. The reminder function has C mode and S mode.

*: Work support mode [ANSWER BACK] setting is "On"

How to Change Reminder Function Operation Mode

• Reminder function operation mode can be changed using combination meter setting.

• When lock and unlock signal are sent from the Intelligent Key for more than 4 seconds at the same time, the hazard and buzzer reminder mode is changed and hazard warning lamp blinks and horn sounds as per the following items:

  

AUTO DOOR LOCK FUNCTION (DOOR REQUEST SWITCH)

After door is unlocked by door request switch operation and if 60 seconds or more passes without performing the following operation, all doors are automatically locked. However, operation check function does not activate.

OUTSIDE KEY ANTENNA DETECTION AREA

The outside key antenna detection area of door lock/unlock function is in the range of approximately 31.50 in (0.8 m) surrounding the door request switch (front door and rear door) and back door request switch . However, this operating range depends on the ambient conditions.

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Back Door Open Function Nissan Pathfinder 2022

System Description

SYSTEM DIAGRAM

Signal transmission function list

BACK DOOR OPEN FUNCTION (WITHOUT AUTOMATIC BACK DOOR SYSTEM MODELS)

• When the BCM detects that back door opener switch is pressed, then Intelligent Key unit transmits the request signal to the Intelligent Key. And then, check that the Intelligent Key is near the back door.

• If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and transmits the key ID signal to the Intelligent Key unit via remote keyless entry receiver.

• Intelligent Key unit receives the key ID signal and compares it with the registered key ID to the Nissan Pathfinder vehicle.

• If the verification result is OK, BCM unlock and opens back door.

BACK DOOR OPEN FUNCTION (WITH AUTOMATIC BACK DOOR SYSTEM MODELS)

• When the BCM detects that back door opener switch is pressed, then Intelligent Key unit transmits the request signal to the Intelligent Key. And then, check that the Intelligent Key is near the back door.

• If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and transmits the key ID signal to the Intelligent Key unit via remote keyless entry receiver.

• Intelligent Key unit receives the key ID signal and compares it with the registered key ID.

• If the verification result is OK, Intelligent Key unit transmits the back door open request signal to automatic back door control unit via CAN communication.

• Automatic back door control unit transmits back door open request signal to back door lock assembly and back door is open.

• When the back door is open, automatic back door system performs waiting operation for next back door close operation.

  The operation of then back door open is the same as the automatic back door system, refer to System Description.

OPERATION CONDITION

If the following conditions are satisfied, the back door can be opened.

^*: Even with a registered Intelligent Key remaining inside the vehicle, back door can be opened from outside of the Nissan Pathfinder vehicle with a spare Intelligent Key as long as key IDs are different.

NOTE:

For details back door open operation other conditions. Refer to System Description.

OUTSIDE KEY ANTENNA DETECTION AREA

The outside key antenna detection area of back door open function is in the range of approximately 31.50 in (0.8 m) surrounding back door opener switch . However, this operating range depends on the ambient conditions.

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Remote Keyless Entry Function ➤ Nissan Pathfinder 2025

Key Reminder Function Nissan Pathfinder 2022

System Description

SYSTEM DIAGRAM

Signal transmission function list

BASIC OPERATION

Key reminder is the function that prevents the key from being left in the vehicle.

Key reminder has the following 2 functions.

*:If the door closing impact shocks the door lock knob, or contacts against baggage with the door lock knob might activate the door locks accidentally but unlock operation is perform in these cases.

NOTE:

The above function operates when the Intelligent Key is inside the Nissan Pathfinder vehicle. However, there may be times when the Intelligent Key cannot be detected, and this function does not operate when the Intelligent Key is on the instrument panel, rear parcel shelf, or in the glove box. Also, this system sometimes does not operate if the Intelligent Key is in the door pocket for the open door.

Power Consumption Control System Nissan Pathfinder

System Description

SYSTEM DIAGRAM

Description

• Intelligent Key unit incorporates a power consumption control function that reduces the power consumption according to the Nissan Pathfinder vehicle status.

• Intelligent Key unit changes its status (control mode) with the sleep wake up signal received from BCM via CAN communication.

  Normal mode (wake-up)

  • CAN communication is normally performed with other control units.

  • Individual unit control by Intelligent Key unit is normally performed.

  Low power consumption mode (sleep)

  • Low power consumption control is active.

  • CAN transmission is stopped.

Sleep Mode Activation

• Intelligent Key unit judges that the sleep-ready conditions are fulfilled when the ignition switch is OFF and none of the conditions below are present. Then it transmits a sleep-ready signal (ready) to BCM via CAN communication.

  • Outputting signals to actuators

  • Output requests are being received from control units via CAN communication.

• Intelligent Key unit stops CAN communication and enters the low power consumption mode when it receives a sleep wake up signal (sleep) from BCM and the sleep-ready conditions are fulfilled.

Wake-Up Operation

• Intelligent Key unit changes from the low power consumption mode to the normal mode when it receives a sleep wake-up signal (wake up) from BCM or any of the following conditions is fulfilled. In addition, it transmits a sleep-ready signal (not-ready) to BCM via CAN communication to report the CAN communication start.

  • Ignition switch ON

  • Push-button ignition switch status changes.

  • Each door request switch status changes.

  • An output request is received from a control unit via CAN communication.

Information Display (combination Meter) ➤ Nissan Pathfinder Fifth generation

Warning/indicator/chime List Nissan Pathfinder SUV

Warning Lamp/Indicator (Information Display)

Precautions ++Mirrors