2004 INFINITI FX35 rear door

BL-52
POWER DOOR LOCK SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK DOOR LOCK ACTUATOR SIGNAL
Check voltage between BCM connector M4 terminals 50, 51 and
ground.
OK or NG
OK >> Replace front door lock assembly (passenger side) or rear door lock actuator LH/RH.
NG >> Replace BCM.
Check Fuel Lid Opener Actuator AIS004M6
1. CHECK FUEL LID OPENER ACTUATOR HARNESS
1. Turn ignition switch OFF.
2. Disconnect BCM and fuel lid lock actuator connector.
3. Check continuity between BCM connector M4 terminals 44, 50
and fuel lid lock actuator connector B70 terminals 1, 2.
4. Check continuity between BCM connector M4 terminals 44, 50
and ground.
OK or NG
OK >> Replace fuel lid actuator.
NG >> Repair or replace harness.
Con-
nectorTerminal
(Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
M450 (PU)
GroundDoor lock/unlock switch
is turned to LOCK.0 → Battery voltage
51 (W/B)Door lock/unlock switch
is turned to UNLOCK.0 → Battery voltage
PIIA6385E
44 (Y) – 2 (L) : Continuity should exist.
50 (PU) – 1 (PU) : Continuity should exist.
44 (Y) – Ground : Continuity should not exist.
50 (PU) – Ground : Continuity should not exist.
PIIA6386E

POWER DOOR LOCK SYSTEM
BL-55
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BL
Revision: 2004 November 2004 FX35/FX45
Check Select Unlock Relay Circuit AIS004M9
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect BCM, door lock actuator (driver side), and passenger side select unlock relay connector.
3. Check continuity between BCM connector M4 terminal 50 and
passenger side select unlock relay connector M30 terminal 4.
4. Check continuity between passenger side select unlock relay
connector M30 terminal 4 and ground.
5. Check continuity between passenger side select unlock relay
connector M30 terminal 3 and door lock actuator connector D10
(driver side), D52 (rear LH), D72 (rear RH) terminal 3.
6. Check continuity between passenger side unlock relay connec-
tor M30 terminal 3 and ground.
OK or NG
OK >> Check passenger side select unlock relay.
NG >> Repair or replace harness.50 (PU) – 4 (PU) : Continuity should exist.
4 (PU) – Ground : Continuity should not exist.
PIIB0403E
3 (PU) – 3 (PU) : Continuity should exist.
3 (PU) – Ground : Continuity should not exist.
PIIB0404E

REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
System DescriptionAIS004MB
INPUTS
Power is supplied at all times

to BCM terminal 55

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

to BCM terminal 42

through 15A fuse (No. 22, located in the fuse and fusible link box).
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied

to BCM terminal 37

through key switch terminal 1 and 2

through 15A fuse (No. 22, located in the fuse and fusible link box).
When the ignition switch is ACC or ON, power is supplied

to BCM terminal 11

through 10A fuse [No. 6, located in the fuse block (J/B)].
When the ignition switch is ON or START, power is supplied

to BCM terminal 38

through 15A fuse [No. 1, located in the fuse block (J/B)].
When the front door switch (driver side) is ON (door is OPEN), ground is supplied

to BCM terminal 62

through front door switch (driver side) terminal 1

through front door switch (driver side) case ground.
When the front door switch (passenger side) is ON (door is OPEN), ground is supplied

to BCM terminal 12

through front door switch (passenger side) terminal 1

through front door switch (passenger side) case ground.
When the rear door switch LH is ON (door is OPEN), ground is supplied

to BCM terminal 63

through rear door switch LH terminal 1

through rear door switch LH case ground.
When the rear door switch RH is ON (door is OPEN), ground is supplied

to BCM meter terminal 13

through rear door switch RH terminal 1

through rear door switch RH case ground.
When the back door switch is ON (door is open), ground is supplied

to BCM terminal 58

through back door closure motor (door switch) terminals 7 and 8

through body grounds B15 and B45
Key fob signal is inputted to BCM (the antenna of the system is combined with BCM).
The remote keyless entry system controls operation of the

power door lock

hazard and horn reminder

auto door lock

panic alarm

keyless power window down (open)

room lamp and key ring illumination

BL-64
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for BCMAIS004MF
*1 : In the state that hazard reminder operates.
*2 : In the state that room lamp switch is in “DOOR” position.TERMI-
NALWIRE
COLORITEM CONDITIONVOLTAGE (V)
Approx.
1PUKey ring illumination output sig-
nal Key ring illumination is lighting. Battery voltage
Key ring illumination is being turned off. 0
11 LG/R Ignition switch Ignition switch is in ACC or ON position Battery voltage
12 P/BFront door switch (Passenger
side)ON (door open) → OFF (door closed) 0 → Battery voltage
13 P/L Rear door switch RH ON (door open) → OFF (door closed) 0 → Battery voltage
37 B/W Key switchON (Key is inserted in IGN key cylinder)
→ OFF (Key is removed from IGN key
cylinder)Battery voltage → 0
38 W/L Ignition switchIgnition switch is in ON or START posi-
tionBattery voltage
39 L CAN H — —
40 R CAN L — —
41 R/B Battery saver output signal30 minutes after ignition switch is turned
to OFF0
Ignition switch is in ON position Battery voltage
42 L/R Battery power supply (fuse) — Battery voltage
44 YDriver door lock actuator
(Unlock)Door lock / unlock switch
(Free → Unlock)0 → Battery voltage
45 G/W Left turn signal lampWhen door lock or unlock is operated
using key fob.*
1
(ON → OFF)Battery voltage → 0
46 BR/W Right turn signal lampWhen door lock or unlock is operated
using key fob.*
1
(ON → OFF)Battery voltage → 0
47 Y/R Step lamp output signalStep lamp is lighting. 0
Step lamp is being turned off. Battery voltage
48 PU/W Room lamp output signalRoom lamp is lighting.*
20
Room lamp is being turned off.*
2Battery voltage
49, 52 B Ground — 0
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
54 WBattery power supply
(power window)—Battery voltage
55 GBattery power supply (Fusible
link)—Battery voltage
58 L Back door switch OFF (Door close) → ON (Door open) 9 → 0
62 W Front door switch (Driver side) OFF (Door close) → ON (Door open) Battery voltage → 0
63 P Rear door switch LH OFF (Door close) → ON (Door open) Battery voltage → 0

REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Check Door SwitchAIS004MM
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1. CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR
SW-RL” and “DOOR SW-RR”) in “DATA MONITOR” mode with
CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
Monitor item Condition
DOOR SW-DR
CLOSE → OPEN: OFF → ON DOOR SW-AS
DOOR SW-RL
DOOR SW-RR
Item ConnectorTerminals
(Wire color)Door
conditionVoltage (V)
(Approx.)
(+) (-)
Driver side
B1462 (W)
GroundCLOSE
↓
OPENBattery voltage
↓
0 Rear LH 63 (P)
Passenger side
M312 (P/B)
Rear RH 13 (P/L)
PIIA6469E
PIIA7003E

BL-74
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between door switch connector B26, B36, B46,
B206 terminals 1 and BCM connector M3, B14 terminals 62, 12,
63, 13.
4. Check continuity between door switch connector B26, B36, B46,
B206 terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3. CHECK DOOR SWITCH
Check continuity between door switch terminal 1 and ground part of
door switch.
OK or NG
OK >> Check door switch case ground condition.
NG >> Replace door switch.Driver side door
1 (W) – 62 (W) : Continuity should exist.
Passenger side door
1 (SB) – 12 (P/B) : Continuity should exist.
Rear door LH
1 (P) – 63 (P) : Continuity should exist.
Rear door RH
1 (P) – 13 (P/L) : Continuity should exist.
1 (W, SB, P) – Ground : Continuity should not exist.
PIIA7004E
Terminal Door switch condition Continuity
1 Ground part of door switchPushed No
Released Yes
PIIA3351E

INTELLIGENT KEY SYSTEM
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Revision: 2004 November 2004 FX35/FX45

When door request switch (driver side) is pushed (unlock), driver side door lock actuator is unlocked.
(Selective 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 passenger's and other's doors are unlocked.

Unlock mode can be changed using “WORK SUPPORT” mode in “SELECTIVE UNLOCK FUNCTION”.
Refer to BL-115, "
WORK SUPPORT" .
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-115, "
WORK SUPPORT" .
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
operation, 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-115, "
WORK SUPPORT" .
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.
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
request 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 Once
Door lock operation Twice Twice

BL-88
INTELLIGENT KEY SYSTEM
Revision: 2004 November 2004 FX35/FX45

When door lock/unlock is performed using Intelligent Key remote controller button operation, operation
confirmation 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;

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-115, "
WORK SUPPORT" .
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-115, "
WORK SUPPORT" .
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
verification is conducted with Intelligent Key using two-way communication, and if verification is success-
ful, an ignition rotation prohibition latch release signal is sent to steering lock unit. Steering lock unit
releases ignition 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
signal 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-II function. Refer to BL-115, "
WORK
SUPPORT" .
Vehicle operation Hazard lamp Horn
Door unlocking operation Once —
Door locking operation Twice Once