Nissan Murano: System (intelligent Key System) / Warning Function

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

System Description

OPERATION DESCRIPTION

The 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 CONDITION

Once 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.
OFF position warning	For internal	When condition A, B or C is satisfied: Condition A Ignition switch: ACC position Door switch (driver side): ON (Door is open.) Condition B Ignition switch from ON to OFF while door is open. Condition C Intelligent Key backside is contacted to ignition switch while brake pedal is depressed and ignition switch is in LOCK or OFF (when the Intelligent Key battery is discharged.) Door switch (driver side): ON (Door is open.)
OFF position warning	For external	OFF position warning (for internal) is in active mode and driver side door is closed. NOTE: OFF position (for external) active only when each of the sequence occurs as below: P position warning → ACC warning → OFF position warning (for internal) → OFF position warning (for internal)
P position warning	For internal	Shift position: Except P (Park) position Engine is running to stopped ( ignition switch ON to OFF.)
P position warning	For external	Warning is activated when driver door is closed from the open position while the P (Park) position warning (for inside Nissan Murano vehicle) is ON.
ACC warning		When P (Park) position warning is in active mode, shift position changes P (Park) position. Ignition switch: ACC position
Take away warning	Door is open to closed	Ignition switch: Except Lock position Door switch: ON to OFF (Door is open to close.) Intelligent Key cannot be detected inside the Nissan Murano vehicle.
	Door is open.	Ignition switch: Except Lock position Door switch: ON (Door is open.) Key ID verification every 5 seconds when registered Intelligent Key cannot be detected inside the Nissan Murano vehicle.
	Ignition switch operation	Ignition switch: Except Lock position Press ignition switch. Intelligent Key cannot be detected inside the Nissan Murano vehicle.
Door lock operation warning		When door lock operation is requested while door lock operating conditions of door request switch or Intelligent Key are not satisfied.
Engine start information	Ignition switch is in ON position.	Ignition switch: ON position Shift position: P (Park) position Engine is stopped.
Engine start information	Ignition switch is in except ON position.	Ignition switch: Except ON position Shift position: P (Park) position Intelligent Key is inserted in key slot or Intelligent Key can be detected inside the Nissan Murano vehicle.
Intelligent Key low battery warning		When Intelligent Key is low battery, BCM is detected after ignition switch ON.
Key ID warning		When registered Intelligent Key cannot be detected inside the Nissan Murano vehicle after ignition switch ON.
Key ID verification information		When registered Intelligent Key cannot be detected inside the Nissan Murano vehicle Intelligent Key battery is discharged When NATS antenna amp. cannot detect NATS ID.

WARNING METHOD

The following table shows the alarm or warning methods with chime:

Warning/Information functions		“KEY” warning lamp	Information display (combination meter)	Warning chime
Warning/Information functions		“KEY” warning lamp	Information display (combination meter)	Combination meter buzzer	Intelligent Key warning buzzer
Intelligent Key system malfunction		Indicate	—	—	—
OFF position warning	For internal	—	—	Activate	—
OFF position warning	For external	—	—	—	Activate
P position warning	For internal	—		Activate	—
P position warning	For external	—		—	Active
Take away warning	Door is open to closed.	—		Activate	Activate
	Door is open.			—	—
	Ignition switch operation			Activate	—
Door lock operation warning	Request switch operation	—	—	—	Activate
Door lock operation warning	Intelligent Key	—	—	—	Activate
Key ID warning		—		—	—
Intelligent Key low battery warning		—		—	—
Key ID verification information		—		—	—

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Warning function		Intelligent Key	Ignition switch	Door switch	Door request switch	Inside key antenna	Outside key antenna	Intelligent Key warning buzzer	Combination meter buzzer	CAN communication system	BCM	Information display	“KEY” warning lamp
Intelligent Key system malfunction										×	×		×
OFF position warning	For internal			×					×	×	×
OFF position warning	For external			×				×			×
P (Park) position warning			×						×	×	×	×	×
Take away warning	Door is open or closed.	×		×		×		×	×	×	×	×	×
	Door is open.	×		×		×				×	×	×	×
	Ignition switch operation	×	×			×			×	×	×	×	×
Door lock operation warning		×		×	×	×	×	×			×
Key ID warning			×			×				×	×	×	×
Engine start information	Ignition switch is in ON position.	×	×			×				×	×	×
Engine start information	Ignition switch is in except ON position.	×	×			×				×	×	×
Intelligent Key low battery warning		×				×				×	×	×	×
Key ID verification information		×				×				×	×	×

Remote Keyless Entry Function

System Description SYSTEM DIAGRAMSYSTEM DESCRIPTIONThe 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...

Key Reminder 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...

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