INFINITI FX35 2007 Service Manual

INTERIOR ROOM LAMP LT-155
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Revision: 2006 July 2007 FX35/FX45

to rear step lamp (RH and LH) terminals 1.
When rear door switch RH is ON (door is opened), ground is supplied

to personal lamp RH terminal 1

through rear door switch RH terminal 1

through case ground of rear door switch RH.
And power is supplied

from BCM terminal 41

to personal lamp RH terminal 2.
When rear door switch LH is ON (door is opened), ground is supplied

to personal lamp LH terminal 1

through rear door switch LH terminal 1

through case ground of rear door switch LH.
And power is supplied

from BCM terminal 41

to personal lamp LH terminal 2.
When map lamp switch is ON, ground is supplied

to map lamp terminal 1

through grounds M35, M45 and M85.
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)

to interior room lamp terminal 3

through grounds M35, M45 and M85.
And power is supplied (without DVD player)

from BCM terminal 41

to interior room lamp terminal 2.
When personal lamp RH or LH switch is ON, ground supplied

to personal lamp RH or LH terminal 3

through grounds M35, M45 and M85.
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

to vanity mirror lamp (driver side or passenger side) terminal 2

through grounds M35, M45 and M85.
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

to luggage room lamp (back door side) terminal 3

through grounds B15 and B45.
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.

LT-156
INTERIOR ROOM LAMP
Revision: 2006 July 2007 FX35/FX45
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.
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.

INTERIOR ROOM LAMP LT-157
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Revision: 2006 July 2007 FX35/FX45
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 lamps is left “ON”, it will not be turned out even when door is closed.
BCM turns off lamps automatically to save battery 30 minutes after ignition switch is turned off.
BCM controls lamps listed below:

Ignition key hole illumination

Front step lamp (driver side)

Front step lamp (passenger side)

Rear step lamp RH

Rear step lamp LH

Front door inside handle illumination (driver side)

Front door inside handle illumination (passenger side)

Rear door inside handle illumination RH

Rear door inside handle illumination LH

Personal lamp RH

Personal lamp LH

Interior room lamp (without DVD player)

Map lamp

Vanity mirror lamp

Luggage room lamp
After lamps turn OFF by battery saver system, lamps illuminate again when

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,

key is removed from ignition key cylinder or inserted in ignition key cylinder, or turned ignition knob switch.
Interior lamp battery saver control period can be changed by the function setting of CONSULT-II.

LT-158
INTERIOR ROOM LAMP
Revision: 2006 July 2007 FX35/FX45
SchematicNKS002YO
TKWH0228E

INTERIOR ROOM LAMP LT-159
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Revision: 2006 July 2007 FX35/FX45
TKWM0823E

LT-160
INTERIOR ROOM LAMP
Revision: 2006 July 2007 FX35/FX45
Wiring Diagram — ROOM/L —NKS002YP
TKWM4314E

INTERIOR ROOM LAMP LT-161
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Revision: 2006 July 2007 FX35/FX45
TKWM4315E

LT-162
INTERIOR ROOM LAMP
Revision: 2006 July 2007 FX35/FX45
TKWM4316E

INTERIOR ROOM LAMP LT-163
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Revision: 2006 July 2007 FX35/FX45
TKWH0231E

LT-164
INTERIOR ROOM LAMP
Revision: 2006 July 2007 FX35/FX45
TKWM4317E