2007 INFINITI M35 trunk

BACK-UP LAMP
LT-247
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
Removal and InstallationNKS003SG
REMOVAL
1. Remove trunk lid finisher inner. Refer to EI-33, "TRUNK LID FINISHER" .
2. Disconnect back up lamp and trunk lid request switch connector.
3. Remove trunk lid finisher outer. Refer to EI-33, "
TRUNK LID FINISHER" .
4. Remove screws and clip, and then remove back up lamp.
5. Remove seal packing from back up lamp.
INSTALLATION
Installation is the reverse order of removal.
Install a new seal packing to the back up lamp.
CAUTION:
Seal packing cannot be reused.
1. Nut 2. Nut 3. Seal packing
4. Clip 5. Back up lamp 6. Two-sided tape
7. Trunk lid finisher outer 8. Screw
: N·m (kg-m, in-lb)
: Always replace after every disassembly.
SKIB4190E
Back up lamp mounting nut : 3.0 N·m (0.31 kg-m, 27 in-lb)
Trunk lid finisher mounting nut : 3.0 N·m (0.31 kg-m, 27 in-lb)

LT-264
PARKING, LICENSE PLATE AND TAIL LAMPS
Revision: 2007 April2007 M35/M45
License Plate LampNKS003SV
BULB REPLACEMENT
1. Remove trunk lid finisher inner. Refer to EI-56, "Removal and Installation for Trunk Room Trim" .
2. Turn bulb socket (1) counterclockwise and unlock it.
3. Remove bulb (2) from its socket.
Removal and InstallationNKS003SW
REMOVAL
1. Remove trunk lid finisher inner. Refer to EI-56, "Removal and Installation for Trunk Room Trim" .
2. From the trunk room inside, push a lamp to outside while push-
ing a resin clip (A).
3. Disconnect connector and remove license plate lamp (1).
INSTALLATION
Installation is the reverse order of removal.
Front Parking (Clearance) LampNKS003SX
BULB REPLACEMENT
Refer to LT- 3 8 , "Bulb Replacement" in “HEAD LAMP - CONVENTIONAL TYPE-”.
Refer to LT- 7 3 , "
Bulb Replacement" in “HEAD LAMP - XENON TYPE-”.
REMOVAL AND INSTALLATION
Refer to LT- 4 0 , "Removal and Installation" . License plate lamp : 12V - 5W
SKIB4191E
SKIB4192E

REAR COMBINATION LAMP
LT-265
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
REAR COMBINATION LAMPPFP:26554
Bulb ReplacementNKS003SY
REAR TURN SIGNAL LAMP BULB, STOP/TAIL LAMP BULB
1. Remove trunk side finisher. Refer to EI-56, "Removal and Installation for Trunk Room Trim" .
2. Turn rear turn signal lamp bulb socket (1) counterclockwise and
unlock it.
3. Remove bulb (2).
Removal and InstallationNKS003SZ
REMOVAL
Rear Fender Side
1. Remove trunk side finisher. Refer to EI-56, "Removal and Installation for Trunk Room Trim" .
2. Disconnect rear combination lamp connector.
3. Remove rear combination lamp mounting nuts (A).
4. Pull the rear combination lamp (2) toward rear of the vehicle and
remove from the vehicle.
5. Remove seal packing (1) from the vehicle.
INSTALLATION
Installation is the reverse order of removal.
CAUTION:
Seal packing cannot be reused.Rear turn signal lamp : 12V - 21W (amber bulb)
Stop tail lamp : LED
SKIB4193E
: N·m (kg-m, in-lb)
: Always replace after every disassembly
SKIB4194E

LT-266
INTERIOR ROOM LAMP
Revision: 2007 April2007 M35/M45
INTERIOR ROOM LAMPPFP:26410
Component Parts and Harness Connector LocationNKS003T0
System DescriptionNKS003T1
BCM (body control module) controls interior lamp, room lamp timer and interior lamp battery saver.
The following signals are input to BCM:

Door lock/unlock trunk open request signal from the Intelligent Key unit via CAN communication

Key cylinder switch status signal from power window main switch via power window serial link

Door switch signal from door switches (driver side, passenger side, rear LH and RH)

IGN power supply (signal) from PDU (power distribution unit)

ACC power supply (signal) from PDU
ROOM LAMP TIMER BASIC OPERATION
Applicable lamps

Room lamp system: map lamp, foot lamp (driver side and passenger side) and personal lamp (rear LH
and rear RH).
1. When getting on the vehicle

Lamps illuminate by timer operation when driver side door or passenger side door is unlocked.*

Lamps illuminate by timer operation after any door is open and then all doors are closed.*

Timer operation stops and lamps are OFF, when driver side door is locked or the push-button ignition
switch (push switch) is turned to ACC or ON from OFF.
*: This setting can be changed by CONSULT-II. Refer to LT- 2 8 3 , "
WORK SUPPORT (INT LAMP)" .
PKID0478E

LT-268
INTERIOR ROOM LAMP
Revision: 2007 April2007 M35/M45

through front door lock assembly (driver side) (key cylinder switch) terminals 5 and 4

through grounds M16 and M70.
When a signal, or combination of door open signals is received by BCM, ground is supplied

to foot lamp driver side and passenger side terminals 2

to personal lamp LH and RH terminals 1

to map lamp terminal 2 and 5

through BCM terminal 48,

to step lamp (driver side, passenger side, rear LH and RH) terminals 2

to kicking plate illumination (driver side and passenger side) terminals 2

through BCM terminal 47.
With power and ground supplied, the interior lamps illuminate.
SWITCH OPERATION
When any front door switch is ON (door is opened), ground is supplied

to step lamp (driver side, passenger side, rear LH and RH) terminals 2

to kicking plate illumination (driver side and passenger side) terminals 2

through BCM terminal 47.
And power is supplied

through BCM terminal 41

to step lamp (driver side, passenger side, rear LH and RH) terminals 1

to kicking plate illumination (driver side and passenger side) terminals 1.
When any door switch is ON (door is opened) and personal lamp and map lamp is DOOR position, ground is
supplied

to personal lamp LH and RH terminal 1

to map lamp terminals 2 and 5

through BCM terminal 48.
And power is supplied

through BCM terminal 41

to personal lamp LH and RH terminals 3

to map lamp terminal 3.
When map lamp switch is ON, ground is supplied

to map lamp terminal 1

through grounds M16 and M70.
And power is supplied

through BCM terminal 41

to map lamp terminal 3.
When personal lamp LH and RH switch is ON, ground is supplied

to personal lamp LH and RH terminals 2

through grounds M16 and M70.
And power is supplied

through BCM terminal 41

to personal lamp LH and RH terminals 3.
When trunk lid lock assembly (trunk room lamp switch) is ON, ground is supplied

to trunk room lamp (upper and lower) terminals 2

through trunk lid lock assembly (trunk room lamp switch) terminals 1 and 2

through grounds B405 and B475.
And power is supplied

through BCM terminal 41

to trunk room lamp (upper and lower) terminals 1.
When vanity mirror lamp LH and RH switch is ON, ground is supplied

INTERIOR ROOM LAMP
LT-269
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45

to vanity mirror lamp LH and RH terminals 2

through grounds M16 and M70.
And power is supplied

through BCM terminal 41

to vanity mirror lamp (LH and RH) terminals 1.
ROOM LAMP TIMER OPERATION
BCM controls applicable lamps to illuminate for 15 seconds (can be set maximum 30 seconds) by timer oper-
ation under following conditions. BCM also controls applicable lamps to brighten for 1 second (can be set max-
imum 5 seconds) when turned ON, or to dim for 3 seconds (can be set maximum 5 seconds) when turned
OFF. (Timer operating time and dimming/brightening time can be changed with CONSULT-II. Refer to LT- 2 8 3 ,
"WORK SUPPORT (INT LAMP)" .) This control operates as follows.
Applicable lamps

Room lamp system: map lamp, foot lamp (driver side and passenger side) and personal lamp (rear LH
and rear RH).
BCM controls room lamp timer operation under following condition.

Condition 1: Door lock state changes.*
BCM judges as the door lock is unlocked under either case below.
–The Intelligent Key unit sends door lock/unlock trunk open request signal (driver side unlock or passenger
side unlock) to BCM through CAN communication line by unlock operation of intelligent key, outside key
antenna and front door request switch (driver side) or outside key antenna and front door request switch
(passenger side).
–Key cylinder switch state (unlock) signal is sent to BCM through power window serial link when front door
lock assembly (driver side) (key cylinder switch) is unlocked (ON) by power window main switch unlock
operation.
And fulfills all the conditions below.
–The engine switch (push switch) is OFF.
–All the doors are closed.
*: This setting can be changed by CONSULT-II. Refer to LT- 2 8 3 , "
WORK SUPPORT (INT LAMP)" .

Condition 2: Any door switch state changes.*
The BCM terminal value of operated door switch is changed when any door is opened and then closed.
From that BCM judges as the door is opened and then closed.
And fulfills all the conditions below.
–The engine switch (push switch) is OFF.
–All the doors are closed.
*: This setting can be changed by CONSULT-II. Refer to LT- 2 8 3 , "
WORK SUPPORT (INT LAMP)" .

Condition 3: Engine switch (push switch) state changes.*
The Intelligent Key unit judges as the engine switch (push switch) is OFF and sends push-button ignition
switch (push switch) signal to PDU (power distribution unit) when push-button ignition switch (push
switch) turned OFF. Then PDU (power distribution unit) turns OFF, IGN power supply and ACC power
supply.
And fulfills the conditions below.
–All the doors are closed.
*:This setting can be changed by CONSULT-II. Refer to LT- 2 8 3 , "
WORK SUPPORT (INT LAMP)" .
NOTE:
When timer operation signal is input during former timer operation, BCM goes for latter timer operation.

LT-270
INTERIOR ROOM LAMP
Revision: 2007 April2007 M35/M45
ROOM LAMP TIMER OPERATING TIME
CONDITIONS FOR CANCELING TIMER
Timer operation is cancelled in any of the following conditions.

Driver door is locked.

Any door is opened.

Turn ignition switch is ACC or ON.
ROOM LAMP TIMER INAPPLICABLE LAMPS OPERATION

Step lamp system: step lamp (driver side, passenger side, rear LH and rear RH) and kicking plate illumi-
nation (driver side and passenger side).
Step lamp system lamps are ON/OFF linked with any door (driver side, passenger side, rear LH and rear
RH) opened and then closed.

Vanity mirror lamp LH and RH.
Operated side vanity mirror lamp is ON/OFF linked with vanity mirror opened and then closed.

Trunk room lamp (lower) and trunk room lamp (upper).
Trunk room lamps (lower and upper) are ON/OFF linked with trunk opened and then closed.
INTERIOR ROOM LAMP BATTERY SAVER FUNCTION
Applicable lamps

Room lamp system: map lamp, foot lamp (driver side and passenger side) and personal lamp (rear LH
and rear RH).

Step lamp system: step lamp (driver side, passenger side, rear LH and rear RH) and kicking plate illumi-
nation (driver side and passenger side).

Vanity mirror lamp LH and RH.

Trunk room lamp (lower) and trunk room lamp (upper).
If the any applicable lamp is left illuminated, BCM turns OFF the battery saver output power supply 30 or 60
minutes to prevent run down of the battery. (Factory setting time is 30 minutes. And timer setting can be
changed by CONSULT-II. Refer to LT- 2 8 5 , "
WORK SUPPORT (BATTERY SAVER)" .)

When the push-button ignition switch (push switch) is turned from ON to OFF, the timer is activated.

If any of the following door switch signal condition is changed with the push-button ignition switch (push
switch) in OFF position, the timer is activated when the change is occurred.
Door switch signals (driver side, passenger side, rear LH and RH), front door lock assembly (driver side) (key
cylinder switch) signal and Intelligent Key unlock signal.
SKIB4934E

INTERIOR ROOM LAMP
LT-281
C
D
E
F
G
H
I
J
L
MA
B
LT
Revision: 2007 April2007 M35/M45
How to Perform Trouble DiagnosesNKS003T5
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 2 6 6 , "
System Description" .
3. Perform the Preliminary Check. Refer to LT- 2 8 2 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction.
5. Does the interior room lamp operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
52 B Ground ON — Approx. 0 V
55 WBattery power
supplyOFF — Battery voltage
57 SBTrunk switch
signalOFFTrunk room lamp
switchON (open) Approx. 0 V
OFF (close) Battery voltage
62 VFront door switch
driver side signalOFFFront door switch
driver sideON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0 V
63 R/GRear door switch
LH signalOFF Rear door switch LHON (open) Approx. 0 V
OFF (closed)
Approx. 7.5 - 8.0 V Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4960J
PKIB4960J