2003 NISSAN X-TRAIL fuse box

DI-54
WARNING CHIME

WARNING CHIMEPFP:24814
System DescriptionEKS002XF
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times

to combination switch terminal 11 and

to daytime light control unit terminal 1 (with daytime light system)

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

to key switch terminal 1 (RHD models) and

to time control unit terminal 1

through 10A fuse [No. 28, located in the fuse block (J/B)].
With ignition switch in ON or START position, power is supplied

to time control unit terminal 17

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

to time control unit terminal 16

through grounds M27 and M70.
LIGHT WARNING CHIME
With ignition switch OFF position, driver's door open, and lighting switch in 1ST or 2ND position, warning
chime will sound. Power is supplied

from the lighting switch terminal 12 or daytime light control unit terminal 11 (with daytime light system)

to time control unit terminal 19.
Ground is supplied

to time control unit terminal 30

through front door switch (driver side) terminal 2.
Front door switch (driver side) terminal 3 is grounded through grounds B8 and B18.
SEAT BELT WARNING CHIME
When the vehicle speed exceeds 25 km/h (16 MPH) with driver side or passenger seat belt unfastened (seat
belt switch ON), warning chime will sound. Refer to SB-6, "
SEAT BELT WARNING SYSTEM" .
KEY REMINDER WARNING CHIME [FOR RHD MODELS]
Key reminder chime will sound, at the same time, key reminder system will start operating.
When the following three conditions are simultaneously met.

Key is inserted in the ignition key cylinder.

Driver`s door is opened.

The setting of driver`s door lock knob is “LOCK”.
For information regarding key reminder system, refer to BL-43, "
Key reminder system" in BL section.

DI-58
WARNING CHIME

Symptom ChartEKS002XQ
Power Supply and Ground Circuit InspectionEKS002YF
1. CHECK FUSES
Check for blown time control unit fuses.
OK or NG
OK >> GO TO 2
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
75, "FUSE BLOCK - JUNCTION BOX (J/B)"
2. CHECK POWER SUPPLY CIRCUIT
Check voltage between time control unit connector and ground.
OK or NG
OK >> GO TO 3
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between time control unit harness connector M30
terminal 16 (B/R) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Symptom Diagnoses/Service procedure
Light warning chime does not activate.Perform the following inspections.
1.DI-58, "
Power Supply and Ground Circuit Inspection"
2.DI-59, "Front Door Switch (driver side) Inspection"
3.DI-60, "Lighting Switch Input Signal Inspection"
Replace time control unit, found normal function in the above.inspections.
Key reminder warning chime does not activate. Perform key reminder system trouble diagnosis.
Refer to BL-54, "
SYMPTOM CHART" .
Seat belt warning chime does not activate.Perform seat belt warning system trouble diagnosis.
Refer to SB-16, "
Trouble Diagnosis Chart by Symptom" .
Unit Power source Fuse No
Time control unitBattery 28 (10A)
Ignition switch (ON) 5 (10A)
Terminals Ignition switch position
(+)
(–) OFF ON
Connector Terminal (Wire color)
M30 1 (L) Ground Battery voltage Battery voltage
M31 17 (G) Ground 0V Battery voltage
SKIA9645E
Continuity should exist.
SKIA9646E

WW-20
HEADLAMP WASHER

HEADLAMP WASHERPFP:28620
System DescriptionEKS0036H
The headlamp washer is controlled by the headlamp washer timer. With power and ground supplied, the head-
lamp washer motor operates.
Power is supplied at all times

through 30A fusible link (letter E, located in fuse and fusible link box)

to headlamp washer motor terminal 1, and

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

to lighting switch terminal 11.
With ignition switch in the ON or START position, power is supplied

through 10A fuse [No. 11, located in fuse block (J/B)]

to headlamp washer timer terminal 4.
Ground is supplied

to headlamp washer timer terminal 5 through grounds E24 and E50.
When headlamp washer switch is pushed during lighting switch is in 1st or 2ND position.
Ground is supplied

to headlamp washer timer terminal 6

through headlamp washer switch and grounds M27 and M70, and

to headlamp washer motor terminal 2

through headlamp washer timer terminal 2.

AV-4
AUDIO

AUDIOPFP:28111
System DescriptionEKS00INI
WITH CASETTE DECK
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times

through 15A fuse [No. 32, located in the fuse and fusible link box]

to audio unit terminal 6.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 4, located in the fuse block (J/B)]

to audio unit terminal 10.
When audio switch is pushed, audio signals are supplied

through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16

to terminals 1 and 2 of Front door speaker LH and RH

to terminals 1 and 2 of Rear speaker LH and RH

to terminals 1 and 2 of tweeter LH and RH.
When one of audio steering wheel switches is pushed to volume up, seek up, or source, resistance in steering
switch circuit changes depending on which button is pushed. This will change voltage. Power is supplied

from audio unit terminal 26

through combination switch (spiral cable) terminal 4 and 13

to audio steering wheel switch terminal 3.
Ground is supplied

from audio steering wheel switch

through combination switch (spiral cable) terminal 15 and 7

to audio unit terminal 29.
When one of audio steering wheel switches is pushed to volume down, seek down, or special, resistance in
steering switch circuit changes depending on which button is pushed. This will change voltage. Power is sup-
plied

from audio unit terminal 27

through combination switch (spiral cable) terminal 5 and 14

to audio steering wheel switch terminal 4.
Ground is supplied

from audio steering wheel switch

through combination switch (spiral cable) terminal 15 and 7

to audio unit terminal 29.
SPEED SENSITIVE VOLUME SYSTEM
Volume level of this system gone up and down automatically in proportion to the vehicle speed. And the con-
trol level can be selected by the customer.

AUDIO
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WITHOUT CASETTE DECK
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times

through 15A fuse [No. 32, located in the fuse and fusible link box]

to audio unit terminal 9.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 4, located in the fuse block (J/B)]

to audio unit terminal 3.
When audio switch is pushed, audio signals are supplied

through audio unit terminals 7, 10, 11, 12, 13, 14, 15, and 16

to terminals 1 and 2 of Front door speaker LH and RH

to terminals 1 and 2 of Rear speaker LH and RH

to terminals 1 and 2 of tweeter LH and RH.
When one of audio steering wheel switches is pushed to volume up, seek up, or source, resistance in steering
switch circuit changes depending on which button is pushed. This will change voltage. Power is supplied

from audio unit terminal 20

through combination switch (spiral cable) terminal 4 and 13

to audio steering wheel switch terminal 3.
Ground is supplied

from audio steering wheel switch

through combination switch (spiral cable) terminal 15 and 7

to audio unit terminal 22.
When one of audio steering wheel switches is pushed to volume down, seek down, or special, resistance in
steering switch circuit changes depending on which button is pushed. This will change voltage. Power is sup-
plied

from audio unit terminal 21

through combination switch (spiral cable) terminal 5 and 14

to audio steering wheel switch terminal 4.
Ground is supplied

from audio steering wheel switch

through combination switch (spiral cable) terminal 15 and 7

to audio unit terminal 22.

AUDIO
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Trouble DiagnosesEKS00EHY
AUDIO UNIT
Symptom Possible causes Repair order
Audio unit inoperative (no digital display
and no sound from speakers).1. 10A fuse
2. 15A fuse
3. Audio unit ground
4. Audio unit1. Check 10A fuse [No. 4, located
in fuse block (J/B)]. Turn ignition
switch ON and verify that battery
positive voltage is present at ter-
minal 10 (with casette deck) ,3
(without casette deck) of audio
unit.
2. Check 15A fuse (No. 32, located
in fuse and fusible link box) and
verify that battery positive volt-
age is present at terminal 6 (with
casette deck), 9 (without casette
deck) of audio unit.
3. Check audio unit ground.
4. Remove audio unit for repair.
Individual rear speaker is noisy or inopera-
tive.1. Each speaker
2. Output circuit to each speaker1. Check speaker.
2. Check the output circuits to each
speaker between audio unit and
each speaker.
AM/FM stations are weak or noisy. 1. Roof antenna
2. Audio unit ground
3. Audio unit1. Check roof antenna.
2. Check audio unit ground condi-
tion.
3. Remove audio unit for repair.
Audio unit generates noise in AM and FM
modes with engine running.1. Poor audio unit ground
2. Loose or missing ground bonding straps
3. Ignition condenser or rear window defogger
noise suppressor condenser
4. Ignition coil
5. Audio unit1. Check audio unit ground.
2. Check ground bonding straps.
3. Replace ignition condenser or
rear window defogger noise sup-
pressor condenser.
4. Check ignition coil.
5. Remove audio unit for repair.
Audio unit generates noise in AM and FM
modes with accessories on (switch pops
and motor noise).1. Poor audio unit ground
2. Antenna
3. Accessory ground
4. Malfunctioning accessory1. Check audio unit ground.
2. Check antenna.
3. Check accessory ground.
4. Replace accessory.

PG-1
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
K ELECTRICAL
CONTENTS
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SECTION
A
B
PG

POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
POWER SUPPLY ROUTING ...................................... 2
Schematic ................................................................ 2
Wiring Diagram - POWER - ..................................... 3
BATTERY POWER SUPPLY - IGNITION SW. IN
ANY POSITION ..................................................... 3
ACCESSORY POWER SUPPLY - IGNITION SW.
IN “ACC” OR “ON” ................................................ 7
IGNITION POWER SUPPLY - IGNITION SW. IN
“ON” AND/OR “START” ......................................... 8
Fuse ....................................................................... 12
Fusible Link ............................................................ 12
Circuit Breaker ....................................................... 12
GROUND .................................................................. 13
Ground Distribution ................................................ 13
MAIN HARNESS/LHD MODELS ........................ 13
MAIN HARNESS/RHD MODELS ........................ 16
ENGINE ROOM HARNESS/LHD MODELS ....... 19
ENGINE ROOM HARNESS/RHD MODELS ....... 20
ENGINE ROOM HARNESS ................................ 21
ENGINE CONTROL HARNESS/GASOLINE
ENGINE MODELS .............................................. 22
ENGINE CONTROL HARNESS/DIESEL
ENGINE MODELS .............................................. 23
BODY HARNESS/LHD MODELS ....................... 24
BODY HARNESS/RHD MODELS ....................... 25
BODY NO. 2 HARNESS/LHD MODELS ............. 26
BODY NO. 2 HARNESS/RHD MODELS ............ 27
ROOM LAMP HARNESS .................................... 28
BACK DOOR SUB HARNESS/REAR WINDOW
DEFOGGER HARNESS ..................................... 29
HARNESS ................................................................. 30
Harness Layout ...................................................... 30
HOW TO READ HARNESS LAYOUTS ............... 30
OUTLINE/LHD MODELS .................................... 31
OUTLINE/RHD MODELS .................................... 32
MAIN HARNESS/LHD MODELS ........................ 33MAIN HARNESS/RHD MODELS ........................ 35
ENGINE ROOM HARNESS/LHD MODELS ........ 37
ENGINE ROOM HARNESS/RHD MODELS ....... 42
ENGINE CONTROL HARNESS .......................... 47
BODY HARNESS/LHD MODELS ....................... 52
BODY HARNESS/RHD MODELS ....................... 53
BODY NO. 2 HARNESS/LHD MODELS ............. 54
BODY NO. 2 HARNESS/RHD MODELS ............. 55
ROOM LAMP HARNESS .................................... 56
FRONT DOOR HARNESS/LHD MODELS .......... 57
FRONT DOOR HARNESS/RHD MODELS ......... 58
REAR DOOR HARNESS .................................... 59
BACK DOOR HARNESS .................................... 60
Wiring Diagram Codes (Cell Codes) ...................... 61
ELECTRICAL UNITS LOCATION ............................ 65
Electrical Units Location ......................................... 65
ENGINE COMPARTMENT .................................. 65
PASSENGER COMPARTMENT/LHD MODELS ... 66
PASSENGER COMPARTMENT/RHD MODELS ... 68
HARNESS CONNECTOR ......................................... 70
Description .............................................................. 70
HARNESS CONNECTOR (TAB-LOCKING
TYPE) .................................................................. 70
HARNESS CONNECTOR (SLIDE-LOCKING
TYPE) .................................................................. 71
ELECTRICAL UNITS ................................................ 72
Terminal Arrangement ............................................ 72
STANDARDIZED RELAY .......................................... 73
Description .............................................................. 73
NORMAL OPEN, NORMAL CLOSED AND
MIXED TYPE RELAYS ........................................ 73
TYPE OF STANDARDIZED RELAYS ................. 73
FUSE BLOCK - JUNCTION BOX (J/B) .................... 75
Terminal Arrangement ............................................ 75
FUSE AND FUSIBLE LINK BOX .............................. 76
Terminal Arrangement ............................................ 76

FUSE BLOCK - JUNCTION BOX (J/B)
PG-75
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FUSE BLOCK - JUNCTION BOX (J/B)PFP:24350
Terminal ArrangementEKS0032F
CKIA0383E