2005 INFINITI FX35 Service Manual

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INFINITI FX35 2005 Service Manual LT-160
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
When the room lamp and personal lamp turns ON, there is a gradual brightening over 1 second. When room
lamp and personal lamp turns OFF, there is

LT-160
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
When the room lamp and personal lamp turns ON, there is a gradual brightening over 1 second. When room
lamp and personal lamp turns OFF, there is a gradual dimming over 1 second.
The room lamp and personal lamp timer is controlled by the BCM (body control module).
Room lamp and personal lamp timer control settings can be changed with CONSULT-II.
Ignition keyhole illumination turns ON at time when driver door is opened (door switch ON) or removed keyfob
from key cylinder. Illumination turns OFF when driver door is closed (door switch OFF).
Step lamp turns ON at time when driver door or passenger door is opened (door switch ON). Lamp turns OFF
when the driver, passenger doors are closed (all door switches OFF).
POWER SUPPLY AND GROUND
Power is supplied at all times (without Intelligent Key system)
through 15A fuse [No. 22, located in fuse block (J/B)]
to key switch terminal 2, and
to BCM terminal 42,
through 50A fusible link (letter M, located in fuse, fusible link and relay box)
to BCM terminal 55,
through 10A fuse [No. 19, located in fuse block (J/B)]
to combination meter terminal 8.
Power is supplied at all times (with Intelligent Key system)
through 10A fuse (No.38, located in fuse, fusible link and relay box)
to key switch and ignition knob switch terminal 1,
through 15A fuse [No.22, located in fuse block (J/B)]
to BCM terminal 42,
to key switch and ignition knob switch terminal 3,
through 50A fusible link (letter M, located in fuse, fusible link and relay box)
to BCM terminal 55,
through 10A fuse [No. 19, located in fuse block (J/B)]
to combination meter terminal 8.
When key plate inserted to key switch, power is supplied (without Intelligent Key system)
through key switch terminal 1
to BCM terminal 37.
When inserted key plate to key switch, power is supplied (with Intelligent Key system)
through key switch and ignition knob switch terminal 4
to BCM terminal 37.
When moved ignition knob switch, power is supplied (with Intelligent Key system)
through ignition knob switch terminal 2
to intelligent key unit terminal 27.
With ignition switch in the ON or START position, power is supplied
through 15A fuse [No. 1, located in fuse block (J/B)]
to BCM terminal 38.
Ground is supplied
to BCM terminals 49 and 52
through grounds terminals M35, M45 and M85.
When driver side door is opened, ground is supplied
through case ground of front door switch (driver side)
through front door switch (driver side) terminal 1
to BCM terminal 62.
When passenger side door is opened, ground is supplied
through case ground of front door switch (passenger side)
through front door switch (passenger side) terminal 1
to BCM terminal 12.

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INFINITI FX35 2005 Service Manual INTERIOR ROOM LAMP LT-161
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When rear door LH is opened, ground is supplied
through case ground of rear door switch LH
through rear

INTERIOR ROOM LAMP LT-161
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When rear door LH is opened, ground is supplied
through case ground of rear door switch LH
through rear door switch LH terminal 1
to BCM terminal 63, and
to personal lamp LH terminal 1.
When rear door RH is opened, ground is supplied
through case ground of rear door switch RH
through rear door switch RH terminal 1
to BCM terminal 13, and
to personal lamp RH terminal 1.
When driver side door is unlocked by door lock and unlock switch, BCM receives a ground signal
through grounds terminals M35, M45 and M85
to power window main switch (door lock and unlock switch) terminal 17 or front power window switch
(passenger side) (door lock and unlock switch) terminal 11
from power window main switch (door lock and unlock switch) terminal 14 or front power window switch
(passenger side) (door lock and unlock switch) terminal 16
to BCM terminal 22.
When front driver side door is unlocked by driver side door lock assembly (key cylinder switch), BCM receives
a ground signal
through grounds M35, M45 and M85
to front door lock assembly (driver side) (key cylinder switch) terminal 5
from front door lock assembly (driver side) (key cylinder switch) terminal 6
to power window main switch (door lock and unlock switch) terminal 6
from power window main switch (door lock and unlock switch) terminal 14
to BCM terminal 22.
When a signal, or combination of signals is received by BCM, ground is supplied
to interior room lamp terminal 1 (without DVD player),
to map lamp terminal 2,
to front door inside handle illumination terminal 2, and
to rear door inside handle illumination terminal 2
through BCM terminal 48.
With power and supplied, interior lamp illuminates.
SWITCH OPERATION
When driver door switch is ON (door is opened), ground is supplied
through BCM terminal 1
to ignition keyhole illumination terminal 2.
And power is supplied
from BCM terminal 41
to ignition keyhole illumination terminal 1.
When any door switch is ON (door is opened), ground is supplied
through BCM terminal 47
to front step lamp (driver side and passenger side) and rear step lamp (LH and RH) terminals 2
through rear door switch (LH or RH) terminal 1
to personal lamp (LH or RH) terminals 1.
And power is supplied
from BCM terminal 41
to front step lamp (driver side and passenger side) and rear step lamp (LH and RH) terminals 1, and
to personal lamp (LH and RH) terminals 2
When map lamp switch is ON, ground is supplied

Page 4051 of 4731

INFINITI FX35 2005 Service Manual LT-162
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
through grounds M35, M45 and M85
to map lamp terminal 1.
And power is supplied
from BCM terminal 41
to map lamp terminal 3.
When interior roo

LT-162
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
through grounds M35, M45 and M85
to map lamp terminal 1.
And power is supplied
from BCM terminal 41
to map lamp terminal 3.
When interior room lamp switch is ON, ground supplied (without DVD player)
through grouunds M35, M45 and M85
to interior room lamp terminal 3.
And power is supplied (without DVD player)
from BCM terminal 41
to interior room lamp terminal 2.
When personal lamp LH or RH switch is ON, ground supplied
through grounds M35, M45 and M85
to personal lamp LH or RH terminal 3.
And power is supplied
from BCM terminal 41
to personal lamp LH or RH terminal 2.
When vanity mirror lamp (driver side or passenger side) is ON, ground is supplied
through grounds M35, M45 and M85
to vanity mirror lamp (driver side or passenger side) terminal 2.
And power is supplied
from BCM terminal 41
to vanity mirror lamp (driver side or passenger side) terminal 1.
When luggage room lamp (back door side) is ON, ground is supplied
through grounds B15 and B45
to luggage room lamp (back door side) terminal 3.
And power is supplied
from BCM terminal 41
to luggage room lamp (back door side) terminals 2.
ROOM LAMP TIMER OPERATION
Without Intelligent Key System
When the interior room lamp and map lamp switch is in DOOR position, and when all conditions below are
met, BCM performs timer control (maximum 30 seconds) for interior room lamp and map lamp ON/OFF.
In addition, when spot turns ON or OFF there is gradual brightening or dimming over 1 second.
Power is supplied
to 15A fuse [No. 22, located infuse block (J/B)]
through key switch terminal 2.
Key is removed from ignition key cylinder (key switch OFF), power will not be supplied to BCM terminal 37.
Ground is supplied
from BCM terminal 22
to power window main switch (door lock and unlock switch) terminal 14.
At the time that driver door are opened, BCM detects that driver door is unlocked. It determines that interior
room lamp and map lamp timer operation conditions are met, and turns interior room lamp and map lamp ON
for 30 seconds.
Key is in ignition key cylinder (key switch ON),
Power is supplied
through key switch terminal 1
to BCM terminal 37.

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INFINITI FX35 2005 Service Manual INTERIOR ROOM LAMP LT-163
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When the key is removed from key switch (key switch OFF), power supply to BCM terminal 37 is terminated.

INTERIOR ROOM LAMP LT-163
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When the key is removed from key switch (key switch OFF), power supply to BCM terminal 37 is terminated.
BCM detects that key has been removed, determines that interior room lamp and map lamp timer conditions
are met, and turns interior room lamp and map lamp ON for 30 seconds.
When driver door opens → closes, and key is not inserted in key switch (key switch OFF), BCM terminal 62
changes between 0V (door open) → 12V (door closed). BCM determines that conditions for interior room lamp
and map lamp operation are met and turns interior room lamp ON for 30 seconds.
Timer control is canceled under the following conditions.
Driver door is locked [when locked keyfob or power window main switch (door lock and unlock switch),
door key cylinder switch].
Driver door is opened (driver door switch turns ON).
Ignition switch ON.
With Intelligent Key System
When the interior room lamp and map lamp switch is in DOOR position, and when all conditions below are
met, BCM performs timer control (maximum 30 second) for interior room lamp and map lamp ON/OFF.
In addition, when spot turns ON or OFF there is gradual brightening or dimming over 1 second.
Power is supplied
to 15A fuse [No. 22, located in fuse and fuse block (J/B)]
through key switch and ignition knob switch terminal 3.
Key is removed from ignition key cylinder (key switch OFF), power will not be supplied to BCM terminal 37.
And not turned ignition knob switch, power will not be supplied to Intelligent Key unit.
Ground is supplied
from BCM terminal 22
to power window main switch (door lock and unlock switch) terminal 14.
At the time that driver door are opened, BCM detects that driver door is unlocked. It determines that interior
room lamp and map lamp timer operation conditions are met, and turns interior room lamp and map lamp ON
for 30 seconds.
Key is in ignition key cylinder (key switch ON), or turned ignition knob switch,
Power is supplied
through key switch and ignition knob switch terminal 4
to BCM terminal 37,
through key switch and ignition knob switch terminal 2
to intelligent key unit terminal 27.
When the key is removed from key switch (key switch OFF), power supply to BCM terminal 37 is terminated.
And turned ignition knob switch, power supply to Intelligent Key unit is terminated. BCM detects that key has
been removed, determines that interior room lamp and map lamp timer conditions are met, and turns interior
room lamp and map lamp ON for 30 seconds.
When driver door opens → closes, and key is not inserted in key switch (or not turned ignition knob switch),
BCM terminal 62 changes between 0V (door open) → 12V (door closed). BCM determines that conditions for
interior room lamp and map lamp operation are met and turns interior room lamp ON for 30 seconds.
Timer control is canceled under the following conditions.
Driver door is locked [when locked keyfob, power window main switch (door lock and unlock switch) or
door key cylinder switch].
Driver door is opened (driver door switch terns ON).
Ignition switch ON.
INTERIOR LAMP BATTERY SAVER CONTROL
If interior lamp is left “ON”, it will not be turned out even when door is closed.
BCM turns off interior lamp automatically to save battery 30 minutes after ignition switch is turned off.
BCM controls interior lamps listed below:
Luggage room lamp
Vanity mirror lamp
Map lamp
Interior room lamp
Personal lamp
After lamps turn OFF by battery saver system, lamps illuminate again when

Page 4053 of 4731

INFINITI FX35 2005 Service Manual LT-164
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
signal from keyfob, or power window main switch (door lock and unlock switch) or key cylinder is locked or
unlocked,
door is opened or closed,

Page 4054 of 4731

INFINITI FX35 2005 Service Manual INTERIOR ROOM LAMP LT-165
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Revision: 2005 July 2005 FX
SchematicAKS007F9
TKWH0228E

Page 4055 of 4731

INFINITI FX35 2005 Service Manual LT-166
INTERIOR ROOM LAMP
Revision: 2005 July 2005 FX
TKWM0823E

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INFINITI FX35 2005 Service Manual INTERIOR ROOM LAMP LT-167
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Revision: 2005 July 2005 FX
Wiring Diagram — ROOM/L —AKS007FA
TKWM2047E

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