2004 INFINITI FX35 Window

INTELLIGENT KEY SYSTEM
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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
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 posi-
tion.

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
running.

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
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.
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
warning

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

Driver door open → closed

INTELLIGENT KEY SYSTEM
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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 igni-
tion switch comes ON)— Warning and alarm namesBuzzer Warning lamp
Inside car Outside car “KEY” “P” shift

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INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45
*1: In the state that hazard reminder operates.
*2: In the state that room lamp switch is in “DOOR” position.
Terminals and Reference Value for IPDM E/RAIS004N3
50 PU Door lock actuator (Lock)Door lock / unlock switch
(Free → Lock)0 → Battery voltage
51 W/BPassenger and rear doors lock
actuator (Unlock)Door lock / unlock switch
(Free → Unlock)0 → Battery voltage
52 B Ground — 0
54 WBattery power supply
(power window)—Battery voltage
55 GBattery power supply (Fusible
link)—Battery voltage
58 L Back door switch Back door open (ON) → Close (OFF) 0 → 9
62 W Front door switch (Driver side) Door open (ON) → Close (OFF) 0 → Battery voltage
63 P Rear door switch LH Door open (ON) → Close (OFF) 0 → Battery voltage TERMI-
NALWIRE
COLORITEM CONDITIONVOLTAGE (V)
Approx.
TERMINAL WIRE
COLORITEM CONDITIONVOLTAGE (V)
Approx.
38 B Ground — 0
48 L CAN – H — —
49 R CAN – L — —
51 SB Horn relayWhen panic alarm is operated using
Intelligent Key (OFF → ON)Battery voltage → 0
60 B Ground — 0

INTELLIGENT KEY SYSTEM
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6. Select diagnosis mode. “WORK SUPPORT”, “SELF-DIAG
RESULTS”, “DATA MONITOR”, “ACTIVE TEST” and “ECU
PART NUMBER” are available.
CONSULT-II Application ItemsAIS004N7
WORK SUPPORT
SELF-DIAGNOSTIC RESULTS
In the Intelligent Key unit, the CONSULT-II self-diagnostic results can be used to check for malfunctions in
CAN communications.
DATA MONITOR
MAIN SIGNALS Display Item
MIIB0359E
Monitor item Description
CONFIRM KEY FOB ID The Intelligent Key ID can be confirmed.
TAKE OUT FROM WINDOW WARN The condition of Intelligent Key warning function can be changed.
LOW BATT OF KEY FOB WARN The condition of low battery warning function can be changed.
I-KEY FUNCTION The condition of Intelligent Key's function can be changed.
ANSWER BACK FUNCTION The condition of answer back function can be changed.
HORN WITH KEYLESS LOCK The condition of key reminder function can be set.
SELECTIVE UNLOCK FUNCTION The condition of selective unlock function can be changed.
HAZARD ANSWER BACK The condition of key reminder function can be set.
ANSWER BACK WITH I-KEY LOCK The condition of key reminder function (LOCK) can be changed.
ANSWER BACK WITH I-KEY UNLOCK The condition of key reminder function (UNLOCK) can be changed.
AUTO RELOCK TIMERThis mode is able confirm and changed auto door lock function operation time
setting.
PANIC ALARM DELAYThis mode is able to confirm and change panic alarm function operation delay
time setting.
P/W DOWN DELAY This mode is able to confirm and change remote window open function.
ENGINE START BY I-KEY This mode is able to confirm and change start function ON - OFF setting.
LOCK/UNLOCK BY I-KEY The condition of lock/unlock function can be set.
LUG ROOM ENGINE START This mode is able to confirm and change operation range.
Monitor item [OPERATION] Description
PUSH SWITCH [ON/OFF]Displays status (Ignition knob switch ON/ignition knob switch OFF) as judged from
ignition knob switch signal.
KEY SW [ON/OFF] Displays status (Key inserted: ON/Key removed: OFF) as judged by key switch.
DR REQ SW [ON/OFF]Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (driver side) signal.
AS REQ SW [ON/OFF]Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (passenger side) signal.
BD/TR REQ SW [ON/OFF]Displays status (Operable: ON/Non-operable: OFF) as judged from door request
switch (back door) signal.
IGN SW [ON/OFF]Displays status (Ignition knob ON position: ON/Ignition knob OFF position: OFF)
as judged from ignition switch signal.

INTELLIGENT KEY SYSTEM
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List of Operation Related PartsAIS004N8
Parts marked with × are the parts related to operation.
Will not operate if there is a malfunction in
the area where there is a ×.
Intelligent Key
Key switch
Ignition knob switch
ACC switch
Ignition switch
Door unlock sensor
Door switch
Door request switch
Inside key antenna
Out side key antenna
Intelligent Key warning buzzer
Intelligent Key unit
CAN communication system
BCM
Combination meter
Steering lock unit
St o p l a m p s w it c h
Detention switch
Passenger side select unlock relay
Door lock/unlock operation using Intelligent
Key remote controller button operation×××××××
Door lock/unlock operation using door
request switch operation×××××××××
Selective door unlock function using door
request switch operation××××××× ×
Selective door unlock function using Intelli-
gent Key remote controller button opera-
tion××× ×××
Door lock/unlock operation using mechani-
cal key×
Ignition knob rotation permission using
Intelligent Key××× × × × × ×
Ignition knob rotation permission using
mechanical key×× × × ×× ×
Engine start using Intelligent Key× × × ××× ×××
Engine start using mechanical key×× ×× ×××
Key reminder door lock operation××××××××
Selector lever reminder operation×× ××× ×
Ignition switch return forgotten warning××× × × × ×
Ignition key warning (when using mechani-
cal key)××××
Ignition switch OFF position warning (for
inside car: when door closed)×××× × × ×
Ignition switch OFF position warning (for
outside car: when door opened/closed)×××× × ×× × ××
Warning for removal of Intelligent Key to
outside the car (when door open/closed)××× × × ×× × × ×
Warning for removal of Intelligent Key to
outside the car (from window)××× × × × × ×
Door lock non-operation warning×××××××××
Intelligent key low battery warning×× ×××

INTELLIGENT KEY SYSTEM
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Ignition knob OFF position warning
chime (for outside vehicle: after door
open/closed) does not sound.1. Check CAN communicationBL-1232. Check ignition knob switchBL-127
3. Check door switchBL-128
4. Check Intelligent Key warning buzzerBL-134
5. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(when door open/closed) does not
sound.1. Check CAN communicationBL-123
2. Intelligent Key inspectionBL-147
3. Check ignition knob switchBL-127
4. Check door switchBL-128
5. Check Intelligent Key warning buzzerBL-134
6. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(when door opened/closed) sounds even
though Intelligent Key is in vehicle.1. Check inside key antennaBL-138
2. Intelligent Key inspectionBL-147
3. Replace Intelligent Key unitBL-146
P position selecting warning lamp does
not light up1. Check detention switchBL-1422. Check combination meterDI-4
3. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(when selector lever is except P position)
does not sound.1. Check CAN communicationBL-123
2. Check detention switchBL-142
3. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(through window) does not sound 1.Check if Intelligent Key removal warning (take out from
window) was canceled by CONSULT-II settings change
functionBL-1152. Check CAN communicationBL-93
3. Intelligent Key inspectionBL-147
4. Check ignition knob switchBL-127
5. Replace Intelligent Key unitBL-146
Intelligent Key take out warning chime
(through window) sounds even though
Intelligent Key is in vehicle.1. Check inside key antennaBL-138
2. Intelligent Key inspectionBL-147
3. Replace Intelligent Key unitBL-146
Symptom Diagnoses service procedure Refer to page

VEHICLE SECURITY (THEFT WARNING) SYSTEM
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Canceling the Set Vehicle Security System
When one of the following operations is performed, the armed phase is canceled.
1. Unlock the doors with the key, key fob or Intelligent Key.
2. Turn ignition switch “ON” or “ACC” position.
Canceling the Alarm Operation of the Vehicle Security System
When unlock the door with the key, key fob or Intelligent Key the alarm operation is canceled.
Activating the Alarm Operation of the Vehicle Security System
Make sure the system is in the armed phase. (The security indicator lamp brinks every 2.4 seconds.)
When the following operation 1 or 2 is performed, the system sounds the horns and flashes the headlamps for
about 50 seconds.
1. Hood, back door or any door is opened during armed phase.
2. Disconnecting and connecting the battery connector before canceling armed phase.
POWER SUPPLY
Power is supplied at all times

through 10A fuse [No.19, located in the fuse block (J/B)]

to security indicator lamp terminal 1.

through 50A fusible link (letter M , located in the fuse and fusible link box)

to BCM terminal 55.

through 15A fuse [No.22, located in the fuse block (J/B)]

to BCM terminal 42.

through 15A fuse [No.34, located in the fuse and fusible link box]

to horn relay terminal 2.

through 10A fuse [No.71, located in the IPDM E/R]

to IPDM E/R internal CPU.

through 15A fuse [No.78, located in the IPDM E/R]

to IPDM E/R internal CPU.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 6, located in the fuse block (J/B)]

to BCM terminal 11.
INITIAL CONDITION TO ACTIVATE THE SYSTEM
The operation of the vehicle security system is controlled by the doors, hood and back door.
To activate the vehicle security system, BCM must receive signals indicating the doors, hood and back door
are closed and the doors are locked by key fob, Intelligent Key or ignition key.
When a door is open, BCM terminal 12 (passenger side door), 13 (rear RH door), 62 (driver side door), 63
(rear LH door) receives a ground signal from each door switch.
When front door LH is unlocked by power window main switch (door lock and unlock switch),
BCM terminal 22 receives a signal from terminal 14 of power window main switch with power window serial
link.
When front door RH is unlocked by front power window switch (passenger side) (door lock and unlock switch),
BCM terminal 22 receives a signal from terminal 16 of front power window switch (passenger side) with power
window serial link.
When the hood is open, IPDM E/R receives a ground signal

to IPDM E/R terminal 56

through hood switch terminal 2

through hood switch terminal 1

through body grounds E21, E50 and E51.
The IPDM E/R then sends a signal to the BCM through the CAN SYSTEM.
When the back door is open,

to BCM terminal 58

through back door closure motor terminal 7

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through back door closure motor terminal 8

through body grounds B15 and B45.
VEHICLE SECURITY SYSTEM ALARM OPERATION
The vehicle security system is triggered by

opening a door

opening the back door

opening the hood

detection of battery disconnect and connect.
The vehicle security system will be triggered once the system is in armed phase,
When BCM receives a ground signal at terminals 12 (passenger side door), 13 (rear RH door), 58 (back door),
62 (driver side door), 63 (rear LH door), or receives a signal from the IPDM E/R (hood switch).
When the vehicle security system is triggered,
ground is supplied intermittently from IPDM E/R terminals 38 and 60.
When headlamp high relay (with built-in IPDM E/R) and horn relay are energized and then power is supplied
to headlamps (LH and RH) and horns (HIGH and LOW).
The headlamps flash and the horn sounds intermittently.
The alarm automatically turns off after 50 seconds, but will reactivate if the vehicle is tampered with again.
VEHICLE SECURITY SYSTEM DEACTIVATION
To deactivate the vehicle security system, a door or the back door must be unlocked with the key, key fob or
Intelligent Key.
When the key is used to unlock a door, BCM terminal 22 receives signal

from terminal 14 of the power window main switch (door lock and unlock switch).
When the BCM receives either one of these signals or unlock signal from key cylinder switch, key fob or Intel-
ligent Key, the vehicle security system is deactivated. (Disarmed phase)
PANIC ALARM OPERATION
Remote keyless entry system may or may not operate vehicle security system (horn and headlamps) as
required.
When the remote keyless entry system is triggered, ground is supplied intermittently from IPDM E/R terminals
38 and 60.
When headlamp relay (which built-in IPDM E/R) and horn relay are energized and then power is supplied to
headlamps (LH and RH) and horns (HIGH and LOW).
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from key fob or Intelligent
Key.