Infiniti FX35 / FX45. Manual - part 203

INTELLIGENT KEY SYSTEM

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< SERVICE INFORMATION >

• Unlock mode can be changed using “WORK SUPPORT” mode in “SELECTIVE UNLOCK FUNCTION”.

Passenger side door request switch operation
• When door request switch (passenger side) is pushed (unlock), passenger side door lock actuator is

unlocked.

• When door request switch (passenger side) is pushed (unlock) for the second time with in 5 seconds after

the first operation, door lock actuators on driver's and other's doors are unlocked.

• Unlock mode can be changed using “WORK SUPPORT” mode in “SELECTIVE UNLOCK FUNCTION”.

Refer to

BL-104, "CONSULT-III Application Item"

Back door request switch operation
• When back door request switch is pushed (unlock), back door lock actuator is unlocked.
• When back door request switch is pushed (unlock) for the second time with in 5 seconds after the first oper-

ation, door lock actuators on driver's and passenger's doors are unlocked.

• Unlock mode can be changed using “WORK SUPPORT” mode in “SELECTIVE UNLOCK FUNCTION”.

Refer to

BL-104, "CONSULT-III Application Item"

Operation Condition

Auto Door Lock Function

After the door request switch in the driver or passenger or back door is operated and the vehicle door is
unlocked, all the doors are automatically locked unless the mechanical key is inserted into the ignition knob,
the ignition knob is pressed, any door request switch is pressed, any one of the doors is opened, or an Intelli-
gent Key remote control button is operated within 30 seconds.

Key Reminder Function

The hazard lamps will flash and the Intelligent Key warning buzzer will sound several times when the door lock
is locked or unlocked by door request switch operation.
When ignition switch ON or any door is opened, key reminder function is not operate.

Intelligent Key Lock-in Prevention Function

When doors are locked using door lock and unlock switch or driver door lock knob while Intelligent key is in
vehicle and doors open, Intelligent Key unit sends door unlock request signal to BCM via CAN communication
to unlock all doors to prevent Intelligent Key from becoming locked in vehicle.

CAUTION:

The above function operates when the Intelligent Key is inside the vehicle. However, there are cases
that Intelligent Key cannot be detected and this function will not operate when 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.

REMOTE CONTROL ENTRY FUNCTIONS

Door Lock Function

• Operating a remote controller button on the Intelligent Key sends the Intelligent Key-ID to the Intelligent Key

unit. Intelligent Key unit conducts a verification of the received key-ID, and if the verification is accepted, a
door lock or door unlock request signal is sent to BCM via CAN communication to lock/unlock the door.

• When door lock/unlock is performed using Intelligent Key remote controller button operation, operation con-

firmation is conducted by making hazard lamps flash and Intelligent Key warning buzzer sound.

OPERATION CONDITION
Door lock/unlock operation is necessary for all doors close.

Map Lamp And Keyhole Illumination Function

When the following conditions come:
• condition of map lamp switch is DOOR position;

Request switch operation

Operating conditions (When all the conditions below are met)

Door request switch (Driver side)

• Closing all doors (door switch: OFF)
• The Intelligent Key is in the antenna detection area for the door for which the door re-

quest switch (LOCK) was operated.

Door request switch (passenger side)

Door request switch (back door)

Vehicle operation

Hazard lamp

Intelligent Key warning buzzer

Door unlock operation

Once

Door lock operation

Twice

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< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

• door switch OFF (when all the doors are closed);
Remote control button of Intelligent Key turns on interior lamp (for 30 seconds) with input of UNLOCK signal
from Intelligent Key.

Panic Alarm Function

When key switch is OFF and ignition knob is not pushed (when mechanical key is not inserted in ignition
knob), BCM turns ON and OFF horn and headlamp intermittently with input of PANIC ALARM signal from
Intelligent Key. The alarm automatically turns off after 25 seconds or when Intelligent Key unit receives any
signal from Intelligent Key.
Panic alarm operation mode can be changed using “WORK SUPPORT” mode in “PANIC ALARM DELAY”.
Refer to

BL-104, "CONSULT-III Application Item"

Remote Control Power Window Down (Open) Operation

When Intelligent Key unlock switch is turned ON with ignition switch OFF, and Intelligent Key unlock switch is
detected to be on continuously for 3 seconds, the driver's door and passenger's door power windows are
simultaneously opened.
Power window is operated to open and the operation continues as long as the Intelligent Key unlock switch is
pressed.
Remote control power window down operation mode can be changed using “P/W DOWN DELAY” mode in
“WORK SUPPORT”. Refer to

BL-104, "CONSULT-III Application Item"

Key Reminder Function

As an operation verification function, when doors are locked or unlocked using Intelligent Key remote control-
ler button operation, hazard lamps flash and horn sounds.

ENGINE STARTUP FUNCTION

Operation Description

• When ignition knob is pressed, Intelligent Key unit sends request signal from inside key antenna, key-ID ver-

ification is conducted with Intelligent Key using two-way communication, and if verification is successful, an
ignition rotation prohibition latch release signal is sent to steering lock unit. Steering lock unit releases igni-
tion knob rotation prohibition latch. (Ignition knob can now be turned.)

• When it becomes possible to rotate the ignition knob, “KEY” warning lamp in combination meter lights up

green to notify driver that ignition knob can be turned.
NOTE:
When it becomes impossible to rotate the ignition knob, “KEY” warning lamp in combination meter lights up
red.

• When key-ID verification is successful and ignition knob switch is in the ON state, Intelligent Key unit uses

CAN communication to send engine start permission signal to BCM.

• When BCM receives engine start permission signal, it uses CAN communication to sent starter request sig-

nal to IPDM E/R so that the engine will start when ignition knob is rotated to START position.

Operation Range

Engine can be started when Intelligent Key is in the vehicle. However, sometimes engine might not start when
Intelligent Key is on instrument panel, rear parcel shelf, or in glove box.
NOTE:
luggage room can enable detection of Intelligent Key by a CONSULT-III function. Refer to

BL-104, "CON-

SULT-III Application Item"

Active Check Function

Confirm whether or not ignition knob can be rotated by checking the color of warning lamp in combination
meter.

WARNING AND ALARM FUNCTION

Vehicle operation

Hazard lamp

Horn

Door unlocking operation

Once

—

Door locking operation

Twice

Once

Condition

Operation

Ignition knob rotation possible

“KEY” warning lamp in combination meter is lit up green.

Ignition rotation not possible

“KEY” warning lamp in combination meter is lit up red.

INTELLIGENT KEY SYSTEM

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Operation Description

The warnings and alarms are as follows and are given to the user as warning information and warnings using
combinations of Intelligent Key warning buzzer (in driver door and passenger door), inside vehicle buzzer (in
combination meter), and warning lamps “KEY” and “LOCK.”
• Ignition switch return forgotten warning

With the ignition in OFF or ACC position, if the driver door is opened, this warning is issued.

• Selector lever return forgotten warning

With the ignition in OFF position, if the selector lever is in except “P” position, this warning is issued.

• Key left in ignition warning (when mechanical key used)

With the mechanical key in the ignition knob and the ignition switch is in the OFF, ACC, or LOCK position, if
the driver door is opened, this warning is issued.

• Ignition switch OFF position warning (for inside car: when door closed)

This warning is issued when the user forgets to return the ignition knob to the LOCK position.

• Ignition switch OFF position warning (for outside car: when door opened/closed)

This warning is issued when the user leaves the car without returning the ignition knob to the LOCK position.

• Warning for removal of Intelligent Key to outside the car (when door open/closed)

This warning is issued if the Intelligent Key is taken outside the car while the engine is running.

• Warning for removal of Intelligent Key to outside the car (from window)

This warning is issued if the Intelligent Key is taken outside the car through a window while the engine is run-
ning.

• Door lock non-operation warning

This warning is issued if the door lock (lock) operation by a door request switch is not effected.

• Intelligent Key low battery warning

This warning is issued when it is detected that the battery in the Intelligent Key has been used up.

Operation Condition

Warning and alarm names

Operating conditions (when all the conditions below are met)

Ignition knob return forgotten warn-
ing

• The ignition switch is in the ACC, OFF, or LOCK position (knob pressed)
• The driver door is opened.

Selector lever return forgotten warn-
ing

• The ignition switch is in the OFF position.
• The selector lever is except “P” position.

Ignition key warning
(When mechanical key used)

• The mechanical key is inserted in the ignition knob (key switch: ON)
• The ignition switch is in the ACC, OFF, or LOCK position.
• The driver door is opened

Ignition knob OFF position warning
(for inside car: when door closed)

• The ignition switch is in the OFF or LOCK position (knob pressed)
• In the above state, when the ACC switch is changed from ON to OFF and 1 second pass-

es. (However, this warning is not issued if the mechanical key is inserted in the ignition
knob, ignition knob is turned except OFF position or ignition or ignition knob is not
pushed.)

Ignition knob OFF position warning
(for outside car: when door opened/
closed)

• The ignition switch is in the OFF or LOCK position (knob pressed)
• In the above state, when the ACC switch is changed from ON to OFF and 1 second pass-

es. (However, this warning is not issued if the mechanical key is inserted in the ignition
knob, ignition knob is turned except OFF position or ignition or ignition knob is not
pushed.)

• Driver door open

→

closed

Warning for take out of Intelligent
Key to outside the car (when door
open/closed)

When Any of the Following Conditions Are Met

• When the ignition knob is pressed in so that it can be rotated (or has been rotated), if any

of the doors has been opened, when all the doors are closed, the Intelligent Key unit com-
pares the key-ID with that of the Intelligent Key using the inside key antenna, if the results
of the comparison are NG (the Intelligent Key is not found)

• When the ignition knob is pressed in so that it can be rotated (or has been rotated), if any

of the doors is open, the Intelligent Key unit compares the key-ID with that of the Intelligent
Key every 5 seconds using the inside key antenna (center console), if the results of the
comparison are NG (the Intelligent Key is not found)
NOTE:
However, this warning is not issued if the mechanical key is inserted in the ignition knob.

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< SERVICE INFORMATION >

INTELLIGENT KEY SYSTEM

Warning Procedure

CHANGE SETTINGS FUNCTION

The settings for each function can be changed with the CONSULT-III or Intelligent Key operation.

Changing Settings With the Intelligent Key

Warning for take out of Intelligent
Key to outside the car (from win-
dow)

When the ignition knob is pressed in so that it can be rotated (or has been rotated), if the
vehicle speed is no greater than 5 km per hour, the Intelligent Key unit compares the key-ID
with that of the Intelligent Key every 30 seconds using the inside key antenna, if the results
of the comparison are NG (the Intelligent Key is not found)

Note: The factory setting for this function is OFF.

Door lock non-operation warning

When any of the following conditions are met

Intelligent Key Lock-in Prevention Warning

• When the Intelligent Key is inside the car and the ignition knob is not pressed, when an

attempt is made to lock a door lock with a door request switch
NOTE:
This warning is issued even if the Intelligent Key is not in the out side key antenna detec-
tion area corresponding to the door request switch was operated.
Knob Return Forgotten Warning

• When the ignition knob is pressed, when an attempt is made to lock a door lock with a door

request switch
NOTE:
This warning is only issued if the Intelligent Key is in the out side key antenna detection
area corresponding to the door request switch was operated.
Door Ajar Alarm

• When any of the doors is open, when an attempt is made to lock a door lock with a door

request switch
NOTE:
This warning is only issued if the Intelligent Key is in the out side key antenna detection
area corresponding to the door request switch was operated.

Intelligent Key low battery pre-warn-
ing

This warning is issued when it is detected that the battery in the Intelligent Key has been
used up.

Warning and alarm names

Operating conditions (when all the conditions below are met)

Warning and alarm names

Buzzer

Warning lamp

Inside car

Outside car

“KEY”

“P” shift

Ignition switch return forgotten
warning

Buzzer: Continuous

—

Selector lever return for gotten
warning

—

Illuminate

Ignition key warning
(When mechanical key used)

Buzzer: Continuous

—

Ignition switch OFF position
warning (for inside car: when
door closed)

Buzzer: Continuous

—

Ignition switch OFF position
warning (for outside car: when
door opened/closed)

Buzzer: Continuous

Buzzer (10 sec-

onds)

—

Warning for removal of Intelli-
gent Key to outside the car
(when door open/closed)

—

Buzzer (3 sec-

onds)

Red illuminate

—

Warning for removal of Intelli-
gent Key to outside the car
(from window)

Buzzer (3 seconds)

—

Red illuminate

—

Door lock non-operation warn-
ing

—

Buzzer (2 sec-

onds)

—

Intelligent Key low battery pre-
warning

—

Green illuminate

(30 seconds after ignition

switch comes ON)

—

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