2008 INFINITI FX35 key

INTERIOR ROOM LAMPLT-139
< SERVICE INFORMATION >
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Ignition keyhole illumination turns ON at time when dr iver 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 pa ssenger 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 and
 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,
 through 10A fuse [No. 14, located in fuse block (J/B)]
 to combination meter terminal 7.
Ground is supplied
 to BCM terminals 49 and 52, and
 to combination meter terminal 5, 6 and 15
 through grounds terminals M35, M45 and M85.
When driver side door is opened, ground is supplied
 to BCM terminal 62
 through front door switch (driver side) terminal 1
 through case ground of front door switch (driver side).
When passenger side door is opened, ground is supplied
 to BCM terminal 12
 through front door switch (passenger side) terminal 1
 through case ground of front door switch (passenger side).
When rear door RH is opened, ground is supplied
 to BCM terminal 13, and
 to personal lamp RH terminal 1
 through rear door switch RH terminal 1
 through case ground of rear door switch RH.
When rear door LH is opened, ground is supplied
 to BCM terminal 63, and
 to personal lamp LH terminal 1
 through rear door switch LH terminal 1
 through case ground of rear door switch LH.
When driver side door is unlocked by door lock and unlock switch, BCM receives a ground signal
 through grounds terminals M35, M45 and M85
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LT-140
< SERVICE INFORMATION >
INTERIOR ROOM LAMP
 to power window main switch (door lock and unlock switch) terminal 17 or front power window switch (pas-senger 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 (driver side and passenger side) terminal 2, and
 to rear door inside handle illumination (LH and RH) 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) terminals 2 and
 to rear step lamp (RH and LH) terminals 2.
And power is supplied
 from BCM terminal 41
 to front step lamp (driver side and passenger side) terminals 1 and
 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.
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INTERIOR ROOM LAMPLT-141
< SERVICE INFORMATION >
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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.
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 s witch (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 wi ndow 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
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LT-142
< SERVICE INFORMATION >
INTERIOR ROOM LAMP
 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 swit ch 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 Intel ligent 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 s witch (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 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 sa ver 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-III.
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INTERIOR ROOM LAMPLT-153
< SERVICE INFORMATION >
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Terminal and Reference Value for BCMINFOID:0000000001328410
Te r m i n a l No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
1PU Ignition keyhole illumi-
nation signal
OFFIgnition keyhole
illumination Illuminated Battery voltage
Not illuminated Approx. 0 V
12 P/B Front door switch (pas-
senger) signal OFF
Front door switch
(passenger side) ON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0 V
13 P/L Rear door switch RH
signal OFFRear door switch
RH ON (open) Approx. 0 V
OFF (closed) Battery voltage
22 OR Power window switch
serial link —Power window
main switch (door
lock and unlock
switch) and power
window sub-
switch (front pas-
senger side) (door
lock and unlock
switch) Lock or unlock switch
ON
NOTE:
Approx. 10 seconds
after door lock and un-
lock switch (driver side
and passenger side) is
turned “LOCK” or “UN-
LOCK”.
Approx. 9.0 - 9.5 V
OFF Battery voltage
37 B/W Key-in detection switch
signal OFFVehicle key is removed. Approx. 0 V
Vehicle key is inserted. Battery voltage
38 W/L Ignition power supply ON — Battery voltage
39 L CAN − H— — —
40 P CAN − L— — —
41 R/B Battery saver output
signal OFF
30 minutes after ignition switch is turned to
OFF Approx. 0 V
ON — Battery voltage
42 L/R Battery power supply OFF — Battery voltage
47 Y/R Step lamp signal OFF Any door is open (ON) Approx. 0 V
All doors are closed (OFF) Battery voltage
48 PU/W Interior room lamp,
map lamp, front door
inside handle and rear
door inside handle illu-
mination output signal OFF Any door switch
ON (open) Approx. 0 V
OFF (closed) Ba ttery voltage
49 B Ground ON — Approx. 0 V
52 B Ground ON — Approx. 0 V
55 G Battery power supply OFF — Battery voltage
58 L Back door switch sig-
nal OFFBack door closure
motor (door
switch) ON (open) Approx. 0 V
OFF (closed) Battery voltage
SKIB3419J
PKIC0930E
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INTERIOR ROOM LAMPLT-155
< SERVICE INFORMATION >
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OK >> GO TO 3.
NG >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
CONSULT-III Functions (BCM)INFOID:0000000001328413
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-III BASIC OPERATION
Refer to GI-34, "Description".
WORK SUPPORT (INT LAMP)
Display Item List
Reference between “MODE” and “TIME” for “TURN ON/OFF”
DATA MONITOR (INT LAMP)
Display Item List
BCM connector Terminal
GroundContinuity
M4 49
Ye s
52
SKIA5294E
BCM diagnosis part Diagnosis mode Description
INT LAMP WORK SUPPORT Changes setting for each function.
DATA MONITOR Displays BCM input data in real time. ACTIVE TEST Operation of electrical loads can be checked by sending driving signal to them.
BATTERY SAVER WORK SUPPORT Changes the setting for each function.
DATA MONITOR Displays BCM input data in real time. ACTIVE TEST Operation of electrical loads can be checked by sending driving signal to them.
Item Description CONSULT-III
SET I/L D −UNLCK INTCON The 30 seconds glowing function interior room lamps and ignition keyhole illu-
mination can be selected when driver door is released (unlocked).
ON/OFF
ROOM LAMP ON TIME SET The time in order to escalate illumination can be adjusted when interior room
lamps and ignition keyhole illumination is turned on. MODE 1 – 7
ROOM LAMP OFF TIME SET The time in order to diminish illumination can be adjusted when interior room
lamps and ignition keyhole illumination is turned off. MODE 1 – 7
MODE 123 4 5 6 7
Time (sec.) 0.5 1 2 3 4 5 0
Monitor item Contents
IGN ON SW “ON/OFF” Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch sig-
nal.
KEY ON SW “ON/OFF” Displays “Key inse rted (ON)/key removed (OFF)” status judged from the key switch signal.
DOOR SW - DR “ON/OFF” Displays status of the driver door as judged from the driver door switch signal. (Door is open:
ON/Door is closed: OFF)
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LT-156
< SERVICE INFORMATION >
INTERIOR ROOM LAMP
NOTE:
 1: Vehicle with Intelligent Key system display this item.
 2: Vehicle with remote keyless entry system display this item.
ACTIVE TEST (INT LAMP)
Display Item List
NOTE:
This item is displayed, but cannot be tested.
WORK SUPPORT (BATTERY SAVER)
Display Item List
DATA MONITOR (BATTERY SAVER)
Display Item List
DOOR SW - AS “ON/OFF”Displays status of the passenger door as judged from passenger door switch signal. (Door
open (ON)/Door closed (OFF))
DOOR SW - RR “ON/OFF” Displays status of rear door as judged from the rear door switch (RH) signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - RL “ON/OFF” Displays status of rear door as judged from the rear door switch (LH) signal. (Door is open:
ON/Door is closed: OFF)
BACK DOOR SW “ON/OFF” Displays status of the back door as judged from back door switch signal. (Door open (ON)/
Door closed (OFF))
KEY CYL LK - SW “ON/OFF” Displays “Door lo cked (ON) status, determined from key cylinder lock switch in driver door.
KEY CYL UN - SW “ON/OFF” Displays “Door unlocked (OFF) status, determined from key cylinder lock switch in driver
door.
CDL LOCK SW “ON/OFF” Displays “Door locked (ON)/Door unlocked (OFF) status, determined from locking detection
switch in driver door.
CDL UNLOCK SW “ON/OFF” Displays “Door unlocked (OFF)” status, determined from locking detection switch in passen-
ger door.
I − KEY LOCK
NOTE 1“ON/OFF” Displays “Locked (ON)/Other (OFF)” status, determined from lock signal.
I − KEY UNLOCK
NOTE 1“ON/OFF” Displays “Unlocked (ON)/Other (OFF)” status, determined from unlock signal.
KEYLESS LOCK
NOTE 2“ON/OFF” Displays status (door is locked: ON/other: OFF) of remote keyless entry system lock signal
from the remote key less entry receiver signal.
KEYLESS UNLOCK
NOTE 2“ON/OFF” Displays status (door is unlocked: ON/other:
OFF) of remote keyless entry system unlock
signal from the remote key less entry receiver signal.
Monitor item Contents
Test item Description
INT LAMP Interior room lamp can be operated by any ON-OFF operations.
IGN ILLUM Ignition key hole illumination can be operated by ON-OFF operation.
STEP LAMP TEST All step lamp can be operated by ON-OFF operation.
LUGGAGE LAMP TEST
NOTE—
Item Description CONSULT-III
ROOM LAMP TIME SET Interior lamp battery saver timer setting can be changed. MODE 1: 30min
MODE 2: 60min
Monitor item Contents
IGN ON SW “ON/OFF” Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch sig-
nal.
KEY ON SW “ON/OFF” Displays “Key insert ed (ON)/key removed (OFF)” status judged from the key switch signal.
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INTERIOR ROOM LAMPLT-157
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NOTE:
 1: Vehicle with Intelligent Key system display this item.
 2: Vehicle with remote keyless entry system display this item.
ACTIVE TEST (BATTERY SAVER)
Display Item List
Interior Room Lamp C ontrol Does Not OperateINFOID:0000000001381756
1.CHECK EACH SWITCH
CONSULT-III DATA MONITOR
1. Select “INT LAMP” of BCM data monitor item.
2. Check that switches listed in display item list turn ON-OFF linked with switch operation. Refer to LT-155,
"CONSULT-III Functions (BCM)" for switches and their functions.
OK or NG
OK >> GO TO 2.
NG >> Inspect malfunctioning switch system.
2.CHECK BETWEEN BC M AND MAP LAMP
CONSULT-III ACTIVE TEST
1. Select “INT LAMP” of BCM (INT LAMP) active test item.
2. With operating the test item, check the interior room lamp operation (When interior room lamp switch is in
DOOR position).
OK or NG
DOOR SW - DR “ON/OFF” Displays status of the driver door as judged from the driver door switch signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - AS “ON/OFF” Displays status of the passenger door as judged from passenger door switch signal. (Door
open (ON)/Door closed (OFF))
DOOR SW - RR “ON/OFF” Displays status of rear door as judged from the rear door switch (RH) signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - RL “ON/OFF” Displays status of rear door as judged from the rear door switch (LH) signal. (Door is open:
ON/Door is closed: OFF)
BACK DOOR SW “ON/OFF” Displays status of the back door as judged from back door switch signal. (Door open (ON)/
Door closed (OFF))
KEY CYL LK - SW “ON/OFF” Displays “Door locked (ON) status, determined from key cylinder lock switch in driver door.
KEY CYL UN - SW “ON/OFF” Displays “Door unlocked (OFF) status, determined from key cylinder lock switch in driver
door.
CDL LOCK SW “ON/OFF” Displays “Door locked (ON)/Door unlocked (OFF) status, determined from locking detection
switch in driver door.
CDL UNLOCK SW “ON/OFF” Displays “Door unlocked (OFF)” status, determined from locking detection switch in passen-
ger door.
I − KEY LOCK
NOTE 1“ON/OFF” Displays “Loc ked (ON)/Other (OFF)” status, determined from lock signal.
I − KEY UNLOCK
NOTE 1“ON/OFF” Displays “Unlocked (O N)/Other (OFF)” status, determined from unlock signal.
KEYLESS LOCK
NOTE 2“ON/OFF” Displays status (door is locked: ON/other: OFF) of remote keyless entry system lock signal
from the remote key less entry receiver signal.
KEYLESS UNLOCK
NOTE 2“ON/OFF” Displays status (door is unlocked: ON/other:
OFF) of remote keyless entry system unlock
signal from the remote key less entry receiver signal.
Monitor item Contents
Test item Description
BATTERY SAVER Interior room lamp can be operated by ON −OFF operations.
Interior room lamp should oper-
ate.
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