Infiniti QX56 (Z62). Manual - part 388

DLK-18

< SYSTEM DESCRIPTION >

SYSTEM (INTELLIGENT KEY SYSTEM)

SYSTEM (INTELLIGENT KEY SYSTEM)

INTELLIGENT KEY SYSTEM

INTELLIGENT KEY SYSTEM : System Diagram

INFOID:0000000006225839

INTELLIGENT KEY SYSTEM : System Description

INFOID:0000000006225840

• 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 verifica-
tion using two-way communication between the Intelligent Key and the vehicle (BCM).

CAUTION:

The driver should always carry the Intelligent Key

• The settings for each function can be changed with CONSULT-III.
• 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 with CONSULT-III.

JMKIA5434GB

Function

Description

Refer

Door lock

Lock/unlock can be performed by pressing the request switch

DLK-19

Back door opener

The back door can be opened by carrying the Intelligent Key and pressing the 
back door opener switch

DLK-21

Remote keyless entry 

Lock/unlock can be performed by pressing the remote controller button of the In-
telligent Key

DLK-23

SYSTEM (INTELLIGENT KEY SYSTEM)

DLK-19

< SYSTEM DESCRIPTION >

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DOOR LOCK FUNCTION

DOOR LOCK FUNCTION : System Diagram

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DOOR LOCK FUNCTION : System Description

INFOID:0000000006225842

Only when pressing the door request switch, it is possible to lock and unlock the door by carrying the Intelli-
gent Key.

OPERATION DESCRIPTION

• When the BCM detects that each door request switch is pressed, it activates the outside key antenna and

inside key antenna corresponding to the pressed door request switch and transmits the request signal to the
Intelligent Key. And then, 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 BCM via remote keyless entry receiver.

• BCM receives the key ID signal and compares it with the registered key ID.
• BCM locks/unlocks each doors (except back door).
• BCM sounds Intelligent Key warning buzzer (lock: 2 times, unlock: 1 time) and blinks hazard warning lamps

(lock: 2 times, unlock: 1 time) at the same time as a reminder.

Key reminder

The key reminder buzzer sounds a warning if the door is locked with the key left 
inside the vehicle

DLK-26

Welcome light

When the Intelligent Key is carried, and vehicle doors are approached, the BCM 
illuminates interior room lamps and operates heart beat operation of the push-
button ignition switch

DLK-26

Warning

If an action that does not meet the operating condition of the Intelligent Key sys-
tem is taken, the buzzer sounds to inform the driver

DLK-27

Engine start

The engine can be turned on while carrying the Intelligent Key

SEC-12

Interior room lamp control

Interior room lamp is controlled according to door lock/unlock state

INL-6

Power window

Power window can be operated by Intelligent Key button operation

PWC-8

Automatic drive positioner

Automatic drive positioner system can be operated by door unlock operation

ADP-11

Panic alarm

When Intelligent Key panic alarm button is pressed, horn sounds

SEC-18

Function

Description

Refer

JMKIA5068GB

DLK-20

< SYSTEM DESCRIPTION >

SYSTEM (INTELLIGENT KEY SYSTEM)

OPERATION CONDITION

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

*: Even with a registered Intelligent Key remaining inside the vehicle, door locks can be locked/unlocked from outside of the vehicle with
a spare Intelligent Key as long as key IDs are different.

OUTSIDE KEY ANTENNA DETECTION AREA

The outside key antenna detection area of door lock/unlock function
is in the range of approximately 80 cm (31.50 in) surrounding the
driver, passenger door handles (1) and back door handle (2). How-
ever, this operating range depends on the ambient conditions.

SELECTIVE UNLOCK FUNCTION

Lock Operation

When an LOCK signal is sent from door request switch (driver side, passenger side, back door), all doors and
fuel filler lid are locked.

Unlock Operation

• When an UNLOCK signal from driver side door request switch is transmitted, driver side door and fuel filler

lid are unlocked. When another UNLOCK signal is transmitted within 60 seconds, all other doors (except
back door) are unlocked.

• When an UNLOCK signal from passenger side door request switch is transmitted, passenger side door is

unlocked. When another UNLOCK signal is transmitted within 60 seconds, all other doors (except back
door) and fuel filler lid are unlocked.

• When an UNLOCK signal from back door request switch is transmitted, back door open permission is set.

When another UNLOCK signal is transmitted within 60 seconds, all doors (except back door) and fuel filler
lid are unlocked.

How To Change Selective Unlock Operation Mode

Selective unlock operation mode can be changed using CONSULT-III.
Refer to 

DLK-41, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

.

HAZARD AND BUZZER REMINDER FUNCTION

During lock or unlock operation by each door request switch, the hazard warning lamps and Intelligent Key
warning buzzer blinks or honks as a reminder.

Operating Function Of Hazard And buzzer Reminder

Hazard and buzzer reminder does not operate in the following conditions.
• Ignition switch position is ON

Each door request switch operation

Operation condition

Lock

• All doors are closed
• Panic alarm is not activated
• P position warning is not activated
• Intelligent Key is outside the vehicle
• Intelligent Key is within outside key antenna detection area*

Unlock

• Panic alarm is not activated
• Intelligent Key is outside the vehicle
• Intelligent Key is within outside key antenna detection area*

JMKIA5224ZZ

Operation

Hazard warning lamp blinks

Intelligent Key warning buzzer honks

Unlock

Once

Once

Lock

Twice

Twice

SYSTEM (INTELLIGENT KEY SYSTEM)

DLK-21

< SYSTEM DESCRIPTION >

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• Door is open (only lock operation)

How To Change Hazard And Buzzer Reminder Mode

Hazard and buzzer reminder mode can be changed using CONSULT-III.
Refer to 

DLK-41, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

.

AUTO DOOR LOCK FUNCTION

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

How To Change Auto Door Lock Operation Mode

Auto door lock operation mode can be changed using CONSULT-III. 
Refer to 

DLK-41, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

.

LIST OF OPERATION RELATED PARTS

Parts marked with 

×

 are the parts related to operation.

BACK DOOR OPEN FUNCTION

BACK DOOR OPEN FUNCTION : System Diagram

INFOID:0000000006225843

BACK DOOR OPEN FUNCTION : System Description

INFOID:0000000006225844

This section describes the operation of the back door opener switch.

Operating condition

• Door switch is ON (door is open)
• Door is locked
• Push switch is pressed

Function

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Door lock/unlock function

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Hazard reminder function

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Selective unlock function

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Auto door lock function

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JMKIA5082GB