Infiniti EX35. Manual - part 453

DLK-26

< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM

7.

Front door switch (driver side) B16 

8.

Front door lock assembly (driver 
side) D15

9.

Fuel lid lock actuator B242

10. Back door opener switch D114

11.

Horn (low) E61, E62

12.

Horn (high) E69, E70

13. Intelligent Key warning buzzer E57

A.

Dash side lower (passenger side)

B.

Engine room dash panel (RH)

C.

Behind the instrument lower pan-
el (driver side)

D.

View with center console assembly 
removed

E.

View with front door finisher (LH) is 
removed

F.

View luggage side finisher lower 
(RH) is removed

G.

View with front bumper is removed

1.

Push-button ignition switch (push 
switch) M50

2.

Inside key antenna (instrument center) 
M131

3.

Unified meter and A/C amp.
M66, M67

4.

Inside key antenna (console) 
M146

5.

Inside key antenna (luggage room) B228 6.

Front outside handle LH (request 
switch)
D13

7.

Front outside handle LH (outside 
key antenna) D14

8.

Outside key antenna (back door) D118

9.

Back door lock assembly D113

JMKIA2223ZZ

INTELLIGENT KEY SYSTEM

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< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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BACK DOOR OPEN FUNCTION : Component Description

INFOID:0000000003728836

REMOTE KEYLESS ENTRY FUNCTION

REMOTE KEYLESS ENTRY FUNCTION : System Diagram

INFOID:0000000003728837

REMOTE KEYLESS ENTRY FUNCTION : System Description

INFOID:0000000003728838

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.

OPERATION

Remote keyless entry system controls operation of the
• Door lock/unlock
• Selective unlock
• Hazard and horn reminder
• Auto door lock

10. Back door opener request switch

D116

A.

View with luggage floor finisher 
front is removed

B.

View with back door finisher inner is re-
moved

Item

Function

BCM

Controls the back door open function and room lamp function.

Back door opener switch

Input press/degrees signal to BCM.

Door lock actuator

Receives lock/unlock signal from BCM and locks/unlocks each door.

Door switch

Input door open/close condition to BCM.

Remote keyless entry receiver

Receives lock/unlock signal from the Intelligent Key, and then transmits to BCM.

Request switch (back door)

Input lock/unlock operation to BCM.

Intelligent Key

Transmits button operation to remote keyless entry receiver.

Outside key antenna (rear bumper)

Detects if Intelligent Key is outside the vehicle.

Inside key antenna

Detects if Intelligent Key is inside the vehicle. 

Unified meter and A/C amp.

• Receive buzzer signal from BCM via CAN communication line, and sounds the buzzer.
• Transmits vehicle speed signal to BCM via CAN communication line.

Combination meter

Display, buzzer (combination meter) and KEY warning lamp are installed to combination meter. 

Intelligent Key warning buzzer

Warns the user of the back door open/close condition and inappropriate operations with the 
buzzer sound.

JMKIA2275GB

DLK-28

< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM

• Panic alarm
• Power window down
• Interior lamp

OPERATION AREA

To ensure the Intelligent Key works effectively, use within 1 m (3ft) range of each doors, however the operable
range may differ according to surroundings.

DOOR LOCK/UNLOCK FUNCTION

• When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is transmits from

Intelligent Key to BCM via remote keyless entry receiver.

• When BCM receives the door lock/unlock signal, it operates door lock actuator and fuel lid lock actuator,

flashes the hazard lamp (lock: 2 time, unlock: 1 times) and horn chirp signal to IPDM E/R at the same time
as a reminder.

• IPDM E/R honks horn (lock: 2 time) as a reminder

OPERATION CONDITION

SELECTIVE UNLOCK FUNCTION

When an LOCK signal is transmitted from Intelligent Key, all doors and fuel lid will be locked.
When an UNLOCK signal is transmitted from Intelligent Key once, driver's door and fuel lid will be unlocked.
Then, if an UNLOCK signal is transmitted from Intelligent Key again within 60 seconds, all other door will be
unlocked.

HAZARD AND HORN REMINDER FUNCTION

When doors are locked or unlocked by Intelligent Key, BCM flashes 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

Hazard and horn reminder does not operate if any door switch is ON (any door is OPEN).

How to Change Hazard and Horn Reminder Mode

With CONSULT-III

Refer to 

DLK-49, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

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Without CONSULT-III

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 lamp flashes and horn sounds as follows:

AUTO DOOR LOCK FUNCTION

Remote controller operation

Operation condition

Operation

Lock

All doors closed

All doors lock

Unlock

Intelligent Key is out of key slot

All doors unlock

C mode

S mode

Intelligent Key operation

Lock

Unlock

Lock

Unlock

Hazard warning lamp flash

Twice

Once

Twice

—

Horn sound

Once

—

—

—

SEL153WA

INTELLIGENT KEY SYSTEM

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< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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When all doors and fuel lid are locked, ignition switch is OFF (ignition switch is not pressed) and key switch is
OFF (Intelligent Key is not inserted in key slot), doors and fuel lid are unlocked with Intelligent Key button.
When BCM does not receive the following signals within 30 seconds, all doors and fuel lid are locked.
• Door switch is ON (door is opened)
• Door is locked
• Ignition switch is ON
• Key switch is ON (Intelligent Key is inserted in key slot)
Auto door lock mode can be changed by “AUTO LOCK SET” mode in “WORK SUPPORT”. Refer to 

DLK-49,

"INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

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PANIC ALARM FUNCTION

When ignition switch is OFF (ignition switch is not pressed) and key switch is OFF (Intelligent Key is not
inserted in key slot), BCM receives PANIC ALARM signal from Intelligent Key.
BCM turns on and off headlamp intermittently and transmits theft warning horn signal to IPDM E/R. Then,
IPDM E/R turns on and off horn intermittently.
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off:
• After 25 seconds
• When BCM receives any signal from Intelligent Key
Panic alarm function mode can be changed by “PANIC ALARM SET” mode in “WORK SUPPORT”. Refer to

DLK-49, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

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KEYLESS POWER WINDOW DOWN (OPEN) FUNCTION

All power windows open when the unlock button on Intelligent Key is activated and kept pressed for more than
3 seconds with the ignition switch OFF. The windows keep opening if the unlock button is continuously
pressed.
The power window opening stops when the following operations are performed:
• When the unlock button is kept pressed more than 15 seconds.
• When the ignition switch is turned ON while the power window opening is operated.
• When the unlock button is released.
While retained power operation activate, Keyless power window down (open) function cannot be operated.
Keyless power window down operation mode can be changed by “PW DOWN SET” mode in “WORK SUP-
PORT”. Refer to 

DLK-49, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

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INTERIOR ROOM LAMP CONTROL

Intelligent Key system turns on interior lamp by receiving UNLOCK signal from Intelligent Key. For detailed
description, refer to 

INL-5, "System Description"

.

LIST OF OPERATION RELATED PARTS

Parts marked with 

×

 are the parts related to operation.

Remote keyless entry functions

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Power window switch

Door lock/unlock function by remote control button

×

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Hazard and horn reminder function

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Selective unlock function

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Keyless power window down (open) function

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Auto door lock function

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Panic alarm function

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