2008 INFINITI FX35 key battery

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Page 802 of 3924

INFINITI FX35 2008 Service Manual
BL-68
< SERVICE INFORMATION >
REMOTE KEYLESS ENTRY SYSTEM
Check continuity between back door closure motor D109 terminals 7
and 8.
OK or NG
OK >> GO TO 5.
NG >> Replace back door closure motor.
5.CHE

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INFINITI FX35 2008 Service Manual
REMOTE KEYLESS ENTRY SYSTEMBL-71
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5.CHECK REMOTE KEYLESS ENTR Y RECEIVER GROUND CIRCUIT
1. Check continuity between remote keyless entry receive

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INFINITI FX35 2008 Service Manual
REMOTE KEYLESS ENTRY SYSTEMBL-75
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When registering an additional key fob, the existing ID c odes in memory may or may not be erased. If five I

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INFINITI FX35 2008 Service Manual
BL-78
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INTELLIGENT KEY SYSTEM
System Description
INFOID:0000000001327837
The Intelligent Key system is a system which can lock and unlock the doors (door lock function) and s

BL-78
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
System Description
INFOID:0000000001327837
The Intelligent Key system is a system which can lock and unlock the doors (door lock function) and start the engine (engine start function) by carrying around the Intelligent Key, which operates based on the results of
electrical key-ID verification using two-way comm unications between the Intelligent Key and the vehicle
Operation of the remote control buttons on the Intelli gent Key also provides the same functions as the
remote control entry system. (Remote control entry functions)
As an ignition key warning function, when a door is lock ed or unlocked with entry switch or remote controller
button operation, the hazard lamps flash and the Intelligent Key warning buzzer sounds.
Even if the vehicle or Intelligent Key battery r uns down, the door can be locked and unlocked and the engine
started with the mechanical key built into the Intelligent Key.
If an Intelligent Key was lost, a new Intelligent Key can be registered. A maximum of 4 Intelligent Keys can be registered.
It has been made possible to diagnose the system, c hange the function setting and register an Intelligent
Key with the CONSULT-III.
DOOR LOCK FUNCTION
Operation Description
When the driver door, passenger door, or back door request switch is pressed, Intelligent Key unit sends a request signal from the transmission antenna corresponding to the pressed door request switch, key-ID ver-
ification is performed using two-way communication with In telligent Key, and if ID is successfully verified, a
door lock/unlock request signal is sent to BCM (Body Control Module) using CAN communication to lock/
unlock the door lock.
When door is locking, door is unlocked, when door is unlocking, door is locked.
When door is locked/unlocked by door request switch operation, hazard lamps flash and Intelligent Key
warning buzzer sounds.
With the locking operation of door request switch , door lock actuators of all door are locked.
Driver side door request switch operation
When door request switch (driver side) is pushed (unlock), driver side door lock actuator is unlocked. (Selec-
tive door unlock function)
When door request switch (driver side) is pushed (unlock) for the second time within 5 seconds after the first
operation, door lock actuators on pass enger's and other's doors are unlocked.
PIIB4645E
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Operation Description
The warnings and alarms are as follows and are given to the user as warning information and w

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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 leve r 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 igniti on 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 retu rn 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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INFINITI FX35 2008 Service Manual
BL-82
< 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.
Changi

BL-82
< 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 warningWhen 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-o peration 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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Intelligent Key remote controller button and door reques t switch operations change the engine startup function
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Intelligent Key remote controller button and door reques t switch operations change the engine startup function
settings (startup enabled/disabled) for each Intelligent Key independently.
Settings Change Procedure1. With the ignition switch is in the LOCK positi on (ignition knob not pressed), hold down both the LOCK and
UNLOCK remote control buttons on the Intelligent Key at the same time for at least 10 seconds (The yard-
stick is that the Intelligent Key LED flashes 20 times.)
2. Within 5 seconds of releasing the Intelligent Key remote controller buttons, press the driver door request
switch.
3. The KEY warning lamp in combination meter lights up for 3 seconds (engine starting enabled → starting
disabled: lights up red, engine starting disabled → flashes green). This completes the settings change.
Changing Settings Using CONSULT-III
The settings for the Intelligent Key system func tions can be changed using CONSULT-III (WORK SUPPORT).
Refer to BL-104, "
CONSULT-III Application Item".
NOTE:
Once a function setting is changed, it will remain effective even if the battery is disconnected.
Changing Settings Using Display Unit
The settings of the Intelligent Key system can be changed, using CONSULT-III, display unit, Intelligent Key
and door request switch in the cent er of the instrument panel.
NOTE:
Once a function setting is changed, it will remain effective even if the battery is disconnected.
INTELLIGENT KEY REGISTRATION
Intelligent Key-ID registration is executed using the CONSULT-III. Up to 4 can be registered.
CAUTION:
After a new Intelligent Key-ID is regi stered, be sure to check the function.
When registering an additional Intelligent Key-ID , take any Intelligent Keys already registered and
Intelligent Keys for any other vehicles out of the vehicle before starting.
CONSULT-III can be used to check and delete Intelligent Key-IDs.
For future information, see the CO NSULT-III Operation Manual NATS.
STEERING LOCK UNIT REGISTRATION
Steering Lock Unit ID Registration
CAUTION:
The method for registering a steering lock unit ID depends on the status of the steering lock unit and
Intelligent Key unit (new or old unit).
After registration is completed, press ignition knob with a portable unit in the vehicle so that it can
be rotated, and confirm that it cannot be rotated even when ignition switch is pressed without a por-
table unit in the vehicle.
For further information, see the CONS ULT-III Operation Manual NATS.
CAN Communication System DescriptionINFOID:0000000001327838
CAN (Controller Area Network) is a serial communication li ne for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Setting item Description
Intelligent Key Lock Response-Sound The sound pattern of the Intelligent Key operation can be set as desired. (Setting value:
OFF, Beeper or Horn chirp)
Intelligent Key Unlock Response-Beep
Sound The beep sound when unlocking door with the Intelligent Key operation can be turned ON
or OFF.
Intelligent Key Engine Start Function This function can be performed to ON or OFF.
Intelligent Key Lock/Unlock Function The door handle request switch lock/unlock operation with the Intelligent Key can be can-
celed or activated.
Return All Settings to Default The all settings made by VEHICLE ELECTRONICS will return to default.
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INFINITI FX35 2008 Service Manual
INTELLIGENT KEY SYSTEMBL-99
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Terminal and Reference Valu e for INTELLIGENT KEY UNITINFOID:0000000001327842
Te r -
minal Wire
color Item Signal

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