NISSAN X-TRAIL 2003 Service Repair Manual

ILLUMINATION
LT-73
C
D
E
F
G
H
I
J
L
MA
B
LT

TKWA1544E

LT-74
ILLUMINATION

TKWA1545E

ILLUMINATION
LT-75
C
D
E
F
G
H
I
J
L
MA
B
LT

TKWA1546E

LT-76
INTERIOR ROOM LAMP

INTERIOR ROOM LAMPPFP:26410
System DescriptionEKS003BQ
POWER SUPPLY AND GROUND
Power is supplied at all times:

through 10A fuse [No. 28, located in the fuse block (J/B)]

to key switch terminal 1 and

to time control unit terminal 1

through 10A fuse [No. 26, located in the fuse block (J/B)]

to interior room lamp terminal 1

to luggage room lamp terminal 1

to map lamp terminal 1 (with sunroof models)
When the key is removed from ignition key cylinder, power is interrupted

through key switch terminal 2

to time control unit terminal 18.
With the ignition key switch in the ON or START position, power is supplied

through 10A fuse [No. 5, located in the fuse block (J/B)]

to time control unit terminal 17.
Ground is supplied

through grounds terminals M27 and M70

to time control unit terminal 16.
When the driver side front door is opened, ground is supplied

through grounds B8 and B18

to front door switch driver side terminal 3

from front door switch driver side terminal 2

to time control unit terminal 30.
When any door (except back door) is opened, ground is supplied

through case ground of each door switch

to each door switch terminal 1

to time control unit terminal 31.
When back door is opened, ground is supplied:

through ground D53

to back door switch terminal 3

from back door switch terminal 1

to time control unit terminal 31.
When the driver side door is unlocked, the time control unit receives a ground signal

through grounds terminals M27 and M70

to front door lock actuator terminal 1

from front door lock actuator terminal 5

to time control unit terminal 28.
When a signal, or combination of signals is received by the time control unit, ground is supplied

through time control unit terminal 26

to interior room lamp terminal 2.

to map lamp terminal 3 (with sunroof models)
With power and ground supplied, the interior room lamp illuminates.
SWITCH OPERATION
When interior room lamp switch is ON, ground is supplied

through case grounds of interior room lamp

to interior room lamp.

INTERIOR ROOM LAMP
LT-77
C
D
E
F
G
H
I
J
L
MA
B
LT

When map lamp switch is ON, ground is supplied (with sunroof models)

through ground M27 and M70

to map lamp terminal 2.
INTERIOR ROOM LAMP TIMER OPERATION
When interior room lamp nad map lamp (with sunroof models) switch is in the “DOOR” position, the time con-
trol unit keeps the interior room lamp and map lamp (with sunroof models) illuminated for about 30 seconds
when

unlock signal is supplied from driver's door unlock sensor while all doors are closed and key is out of igni-
tion key cylinder

key is removed from ignition key cylinder while all doors are closed

driver's door is opened and then closed while key is out of the ignition key cylinder. (However, if the
driver's door is closed with the key inserted in the ignition key cylinder after the driver's door is opened
with the key removed, the timer is operated.)
The timer is canceled when

driver's door is locked,

driver's door is opened, or

ignition switch is turned ON.
ON-OFF CONTROL
When the driver side door, front passenger door, rear LH or RH door is opened, the interior room lamp and
map lamp (with sunroof models) turns on while the interior room lamp and map lamp (with sunroof models)
switch is in the “DOOR” position.

LT-78
INTERIOR ROOM LAMP

Wiring Diagram -ROOM/L-EKS003BR
LHD MODELS
TKWA1547E

INTERIOR ROOM LAMP
LT-79
C
D
E
F
G
H
I
J
L
MA
B
LT

TKWA1548E

LT-80
INTERIOR ROOM LAMP

RHD MODELS
TKWA1549E

INTERIOR ROOM LAMP
LT-81
C
D
E
F
G
H
I
J
L
MA
B
LT

TKWA1550E

LT-82
INTERIOR ROOM LAMP

Interior Room Lamp Timer Does Not OperateEKS0079P
1. CHECK POWER SUPPLY SIGNAL
1. Turn ignition switch OFF.
2. Disconnect time control unit connector.
3. Check voltage between time control unit harness connector M30
terminal 1 (L/B) and ground.
OK or NG
OK >> GO TO 2.
NG >> Check harness for open or short between time control
unit and fuse.
2. CHECK FRONT DOOR SWITCH (DRIVER SIDE) INPUT SIGNAL
1. Connect time control unit connector.
2. Check voltage between time control unit harness connector and
ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK FRONT DOOR SWITCH (DRIVER SIDE)
1. Disconnect front door switch connector (driver side).
2. Check continuity between front door switch (driver side) termi-
nals.
OK or NG
OK >> Check the following.

Front door switch (driver side) ground circuit condition

Harness for open or short between time control unit and front door switch (driver side)
NG >> Replace driver side door switch.1 (L/B) - Ground : Battery voltage should exist.
PKIA5561E
Terminals
Condition
(Driver's door)Voltage (+)
(-)
Connector Terminal (Wire color)
M31 30 (R) GroundClosed Approx. 5V
Open Approx. 0V
PKIA5562E
Connector Terminals Condition Continuity
B16 2 3Pushed (closed) No
Released (open) Yes
PKIA5563E