Nissan Murano: System (intelligent Key System) / Remote Keyless Entry Function

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: System Description / System (intelligent Key System) / Remote Keyless Entry Function

System Description

SYSTEM DIAGRAM

SYSTEM DESCRIPTION

The Intelligent Key has the same functions as the remote control entry system. Therefore, it can be used in the same manner as the remote controller by operating the door lock/unlock button.

INPUT SIGNAL AND OUTPUT SIGNAL

Signal name Input Output Description
Key ID signal Remote keyless entry receiver BCM The BCM receives key ID signal inputs and activates the actuators accordingly.
Door switch signal Door switch BCM The BCM receives door switch signals inputs and activates the actuators accordingly.
Push switch signal Push-button ignition switch BCM The BCM receives push switch signal inputs and activates the actuators accordingly.
Turn indicator signal Combination meter BCM (CAN) The BCM receives turn indicator signal inputs and activates the actuators accordingly.
Horn reminder signal BCM IPDM E/R (CAN) The IPDM E/R receives horn reminder signal inputs and activates the actuators accordingly.
Back door open request signal BCM Automatic back door control module (CAN) The BCM receives back door open request signal inputs and activates the actuators accordingly.

OPERATION

Remote keyless entry system controls operation of the following items:

  • Door lock/unlock function

  • Selective unlock function

  • Auto door lock function

  • Hazard and horn reminder function

  • Automatic back door open/close function

  • Remote engine start

OPERATION AREA

The remote keyless entry operating range is approximately 60 m (197 ft) from the vehicle.

DOOR LOCK/UNLOCK FUNCTION

  • When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is transmitted from Intelligent Key to BCM.

  • When BCM receives the door lock/unlock signal, it operates all door lock actuators, blinks the hazard lamps (lock: 2 times, unlock: 1 time) and horn chirp signal to IPDM E/R at the same time as a reminder.

  • IPDM E/R honks horn (lock: 1 time) as a reminder.

OPERATION CONDITION

If the following conditions are satisfied, remote keyless entry operation is performed when the Intelligent Key is operated:

Remote controller operation Operation condition
Lock

  • Panic alarm is not activated.

  • P (Park) position warning is not activated.
Unlock Panic alarm is not activated.

SELECTIVE UNLOCK FUNCTION

  • When a LOCK signal is transmitted from Intelligent Key, all doors are locked.

  • When an UNLOCK signal is transmitted from Intelligent Key once, driver side door is unlocked.

  • Then, if an UNLOCK signal is transmitted from Intelligent Key again within 60 seconds, all other doors (except for back door) are unlocked.

How To Change Selective Unlock Operation Mode.

CONSULT

Select “LOCK/UNLOCK BY I-KEY” in “Work support” mode of “BCM(INTELLIGENT KEY)”.

Refer to CONSULT Function (BCM - INTELLIGENT KEY).

AUTO DOOR LOCK FUNCTION

After door is unlocked by Intelligent Key button operation and if 60 seconds or more pass without performing the following operation, all doors are locked. However, operation check function does not activate.

Operating condition

  • Door switch is ON (door is open).

  • Door is locked.

  • Push switch is pressed.

How To Change Auto Door Lock Operation Mode.

CONSULT

Select “AUTO LOCK SET” in “Work support” mode of “BCM(INTELLIGENT KEY)”.

Refer to CONSULT Function (BCM - INTELLIGENT KEY).

HAZARD AND HORN REMINDER FUNCTION

When doors are locked or unlocked by Intelligent Key, BCM blinks hazard warning lamps as a reminder.

The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).

Operating Function of Hazard and Horn Reminder

C mode S mode
Intelligent Key operation Lock Unlock Lock Unlock
Hazard warning lamps blink Twice Once Twice —
Horn sounds Once — — —

Hazard and horn reminder does not operate in the following conditions:

  • Ignition switch ON.

  • Door is open (only lock operation).

How to Change Hazard and Horn Reminder Mode

CONSULT

Select “ANSWER BACK I-KEY LOCK UNLOCK” in “Work support” mode of “BCM(INTELLIGENT KEY)”.

Refer to CONSULT Function (BCM - INTELLIGENT KEY).

CONSULT

When LOCK and UNLOCK signals are sent from the Intelligent Key for more than 2 seconds at the same time, the hazard and horn reminder mode is changed and hazard warning lamps blink and horn sounds as per the following items:

AUTOMATIC BACK DOOR OPEN/CLOSE FUNCTION

When back door button of Intelligent Key is pressed for 0.4 seconds or more, back door opens automatically. For detailed description, refer to System Description.

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Function Intelligent Key Door switch Door lock actuator Ignition switch CAN communication system BCM IPDM E/R Horn Combination meter Hazard warning lamp Automatic back door control module Back door lock assembly
Door lock/unlock function × × ×   ×    
Selective unlock function × × ×     ×            
Auto door lock function × × × ×   ×    
Hazard and horn reminder function     × × × × × ×    
Automatic back door open/close function × × × × ×

    Back Door Open Function

    System Description SYSTEM DIAGRAMINPUT SIGNAL AND OUTPUT SIGNAL Signal name Input Output Description Key ID signal Remote keyless entry receiver BCM The BCM receives key ID signal inputs and activates the actuators accordingly...

    Warning Function

    System Description OPERATION DESCRIPTIONThe warning functions are as per the following items and are given to the user as warning information and warnings using combinations of Intelligent Key warning buzzer, combination meter buzzer, KEY warning lamp and information display in combination meter: Intelligent Key system malfunction OFF position warning P position warning Take away warning Door lock operation warning Engine start information Intelligent Key low battery warning Key ID warning Key ID verification information OPERATION CONDITIONOnce the following condition from below is established, alert or warning is executed: Warning/Information functions Operation procedure Intelligent Key system malfunction When a malfunction is detected on BCM, “KEY” warning lamp illuminates...

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