2003 NISSAN X-TRAIL fuse

LT-56
REAR FOG LAMP

REAR FOG LAMPPFP:26550
System Description EKS00ESB
DESCRIPTION
Power is supplied at all times to rear fog lamp relay terminal 3

through 10A fuse (No. 36, located in the fuse and fusible link box).
With the lighting switch in the 2ND position and LOW (“B”) position, power is supplied

through 10A fuse (No. 31, located in the fuse and fusible link box)

to lighting switch terminal 11

through lighting switch terminal 12

to fog lamp switch terminal 32

through fog lamp switch terminal 33

to rear fog lamp relay terminal 2.
FOG LAMP OPERATION
The front and rear fog lamp switch is built into the combination switch. The lighting switch must be in the 1st or
2nd position for rear fog lamp operation.
With the fog lamp switch in the ON position, ground is supplied

to rear fog lamp relay terminal 1

through the fog lamp switch and grounds E24 and E50.
The rear fog lamp relay is energized and power is supplied

from rear fog lamp relay terminal 5

to rear fog lamp terminal 1

to combination meter terminal 13.
Ground is supplied

to each fog lamp terminal 2 through grounds E24 and E50.
With power and ground supplied, the rear fog lamps illuminate.
Ground is supplied

to combination meter terminal 64 through grounds M27 and M70.

LT-66
ILLUMINATION

ILLUMINATIONPFP:27545
System Description EKS003C7
Power is supplied at all times

through 10A fuse [No. 31, located in the fuse and fusible link box]

to lighting switch terminal 11.
The lighting switch must be in the 1ST or 2ND position for illumination.
The following chart shows the power and ground connector terminals for the components included in the illu-
mination system.
Component Connector No. Power terminal Ground terminal
Headlamp washier switch M23 3 4
Headlamp aiming switch M24 3 4
Door mirror remote control switch M26 10 1
ESP off switch M25 3 4
Hazard switch M51 7 8
4WD mode switch M39 4 3
Rear window defogger switch M50 5 6
A/C auto amp. M52 12 11
Combination meter (LHD models) M46 56 66
Combination meter (RHD models) M46 45 56
Audio M42 2 1
CD auto changer M82 34 35
Heater control panel M55 2 6
A/T device M58 3 4
Cigarette lighter M56 3 2
Heated seat switch LH (LHD models) B131 5 6
Heated seat switch RH (LHD models) B132 5 6
Heated seat switch LH (RHD models) B35 5 6
Heated seat switch RH (RHD models) B34 5 6

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.

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

LT-84
INTERIOR ROOM LAMP

7. CHECK DOOR SWITCHES
1. Disconnect door switch harness connector.
2. Check continuity between door switch terminal and ground.
*1:Passenger side, *2:Rear LH (RHD model) or Rear RH (LHD model), *3:Rear
RH (RHD model) or Rear LH (LHD model), *4:Back door
OK or NG
OK >> Check the following.

Door switch ground condition

Harness for open or short between time control unit
and door switch
NG >> Replace door switch.
8. CHECK KEY SWITCH INPUT SIGNAL
Check voltage between time control unit harness connector and
ground.
OK or NG
OK >> Replace time control unit.
NG >> GO TO 9.
9. CHECK KEY SWITCH (INSERT)
1. Disconnect key switch connector.
2. Check continuity between terminals.
OK or NG
OK >> Check the following.

Harness for open or short between key switch and
fuse

Harness for open or short between time control unit and key switch
NG >> Replace key switch.
Connector Terminals Condition Continuity
B118
*1 , B121*2
B20*3 , D45*4Door
switches1 - GroundClosed No
Open Yes
PKIA5567E
Terminals
Condition
(Key switch)Voltage (+)
(-)
Connector Terminal (Wire color)
M31 18 (W/L) Groundinserted Battery voltage
Removed Approx. 0V
PKIA5568E
Connector Terminals Condition (Key switch) Continuity
M9 1 2Inserted Yes
Removed No
PKIA5569E

INTERIOR ROOM LAMP
LT-85
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B
LT

Interior Room Lamp Timer Does Not CancelEKS0079Q
1. CHECK IGNITION ON SIGNAL
1. Turn ignition switch OFF.
2. Disconnect time control unit connector.
3. Check voltage between time control unit harness connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> Check harness for open or short between time control unit and fuse.
2. CHECK DOOR SWITCH 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.

Driver side door switch ground circuit condition

Harness for open or short between time control unit and driver side door switch
NG >> Replace driver side door switch.
Terminals Ignition switch position
(+)
(-) OFF ACC ON
Connector Terminal (Wire color)
M31 17 (G) Ground 0V 0VBattery
voltage
PKIA5570E
Terminals
Condition
(Driver's door)Voltage (+)
(-)
Connector Terminal (Wire color)
M31 30 (R) GroundClosed Approx. 5V
Open Approx. 0V
PKIA5571E
Connector Terminals Condition Continuity
B16 2 3Pushed (closed) No
Released (open) Yes
PKIA5563E

IDX-5
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IDX
ALPHABETICAL INDEX
Front Door Trim ................................................... EI-32
Front fog lamp .................................................... LT-52
Front passenger air bag .................................. SRS-35
Front seat .......................................................... SE-24
Front seat belt ...................................................... SB-3
Front seat belt pre-tensioner .... SB-2, SRS-3, SRS-40
Front side air bag ............................................. SRS-37
Front suspension ............................................... FSU-5
Front washer ...................................................... WW-4
Front wiper ......................................................... WW-4
FRPS - Wiring diagram .................... EC-999, EC-1309
FTS - Wiring diagram ...................... EC-994, EC-1304
FUEL - Wiring diagram ...................... EC-218, EC-225
Fuel check valve ................................ EC-473, EC-865
Fuel cut control (at no load high engine speed) EC-38,
EC-500
, EC-887, EC-1218
Fuel filler lid ...................................................... BL-103
Fuel filter .......................................... EC-890, EC-1221
Fuel filter replacement(QR20DEQR25DE) .......... FL-4
Fuel filter replacement(YD22DDTi) ....... FL-17, MA-31
Fuel gauge ............................................................ DI-4
Fuel injection control system ........... EC-885, EC-1216
Fuel injection system ......................... EC-216, EC-223
Fuel injector adjustment resistor .... EC-1115, EC-1404
Fuel injector and fuel tube(QR20DEQR25DE) . EM-32
Fuel injector and fuel tube(YD22DDTi) ............ EM-157
Fuel line inspection(QR20DEQR25DE) . FL-3, MA-23
Fuel line inspection(YD22DDTi) ............ FL-16, MA-31
Fuel pressure check ............................ EC-48, EC-510
Fuel pressure release .......................... EC-48, EC-510
Fuel pump .......... EC-443, EC-835, EC-890, EC-1127,
EC-1416
Fuel pump and gauge(QR20DEQR25DE) .......... FL-4
Fuel rail pressure sensor ................. EC-997, EC-1307
Fuel system(QR20DEQR25DE) .......................... FL-3
Fuel system(YD22DDTi) ..................................... FL-16
Fuel tank(QR20DEQR25DE) ............................ FL-11
Fuel tank(YD22DDTi) ......................................... FL-23
Fuel temperature sensor ................. EC-993, EC-1303
Fuse ................................................................... PG-12
Fuse and fusible link box ................................... PG-76
Fusible link ......................................................... PG-12
G
Gauges ................................................................. DI-4
Gear components (M/T) ....................... MT-20, MT-25
Generator .......................................................... SC-12
Generator - See Alternator ................................ SC-12
Generic scan tool (GST) .................... EC-112, EC-931
Glass .................................................. GW-80, GW-83
GLOW - Wiring diagram EC-1070, EC-1170, EC-1458
Glow plug ....................................... EC-1169, EC-1457
Glow plug(YD22DDTi) ..................................... EM-152
Glow relay ...................... EC-1069, EC-1169, EC-1457
GPS antenna ..................................................... AV-43
Grille - See Exterior ............................................. EI-19
Ground distribution ............................................ PG-13
H
H/AIM - Wiring diagram ...................................... LT-29
H/LAMP - Wiring diagram ........................... LT-4, LT-7
H/MIRROR - Wiring diagram ............................ GW-21
Harness connector ............................................. PG-70
Harness layout ................................................... PG-30
Headlamp ............................................................. LT-4
Headlamp aiming control .................................... LT-29
Headlamp leveler - See Headlamp aiming control .......
LT-29
Headlamp washer ............................................ WW-20
Headlining - See Roof trim .................................. EI-39
Heated oxygen sensor 1 .... EC-176, EC-183, EC-193,
EC-318
, EC-324, EC-611, EC-618, EC-786
Heated oxygen sensor 1 heater ......... EC-138, EC-771
Heated oxygen sensor 2 .... EC-201, EC-208, EC-330,
EC-338
, EC-792
Heated oxygen sensor 2 heater ......... EC-144, EC-776
Heated seat ........................................... SE-18, SE-21
HEATER - Wiring diagram ................................ MTC-6
Heater and cooling unit (Heater core) ............ ATC-131
Heater mirror ..................................................... GW-21
Heater system - Wiring diagram ....................... MTC-6
Heater unit (heater core) .. ATC-136, MTC-27, MTC-30
HFC134a (R134a) system precaution ............... ATC-4
HFC134a (R134a) system service procedure ATC-141
HFC134a (R134a) system service tools .......... ATC-15
HFC134a system service equipment precaution ..........
ATC-10
HO2S1 - Wiring diaram ...... EC-178, EC-186, EC-196,
EC-613
, EC-620
HO2S1H - Wiring diagram ............................... EC-140
HO2S2 - Wiring diagram .... EC-203, EC-211, EC-333,
EC-341
HO2S2H - Wiring diagram ............................... EC-146
Hood .................................................................. BL-12
Horn ................................................................. WW-25
HORN - Wiring diagram ................................... WW-25
How to erase DTC ........................... EC-514, EC-1223
How to erase DTC for OBD system ..... EC-63, EC-895
I
IATS - Wiring diagram ...... EC-158
, EC-977, EC-1287
IATSEN - Wiring diagram ................................ EC-782
Identification ...................................... ATC-12, ATC-13
Idle air volume learning ........................ EC-46, EC-508
Idle speed ............. EC-79, EC-526, EC-905, EC-1231
Ignition coil ......................................... EC-417, EC-798
Ignition coil(QR20DEQR25DE) ....................... EM-29
Ignition control system ....................... EC-417, EC-798
Ignition timing ....................................... EC-79, EC-526
IGNSYS - Wiring diagram .................. EC-418, EC-799
ILL - Wiring diagram ........................................... LT-66
Illumination .......................................................... LT-66
In vehicle sensor ........... ATC-111, ATC-113, ATC-122
INJE/PW - Wiring diagram ............. EC-1158, EC-1446
INJECT - Wiring diagram . EC-429, EC-821, EC-1008,