2003 NISSAN XTERRA wiring

inflate in a crash, depending on the crash severity
and whether the front occupants are belted or
unbelted. This does not indicate improper perfor-
mance of the system. If you have any questions
about the performance of your air bag system,
please contact your NISSAN dealer.
When the supplemental front air bag inflates, a
fairly loud noise may be heard, followed by the
release of smoke. This smoke is not harmful and
does not indicate a fire. Care should be taken to
not inhale it, as it may cause irritation and chok-
ing. Those with a history of a breathing condition
should get fresh air promptly.
Supplemental front air bags, along with the use of
seat belts, help to cushion the impact force on
the face and chest of the front occupants. They
can help save lives and reduce serious injuries.
However, an inflating front air bag may cause
facial abrasions or other injuries. Front air bags
do not provide restraint to the lower body.
Seat belts should be correctly worn and the
driver and passenger seated upright as far as
practical away from the steering wheel or instru-
ment panel. The supplemental front air bags in-
flate quickly in order to help protect the front
occupants. Because of this, the force of the front
air bag inflating can increase the risk of injury if
the occupant is too close to, or is against, the
front air bag module during inflation.The front air bags deflate quickly after a collision.
The supplemental front air bags operate
only when the ignition switch is in the ON
or START position.
After turning the ignition key to the ON
position, the supplemental air bag warning
light illuminates. The supplemental air bag
warning light will turn off after about 7
seconds if the system is operational.
WARNING
cDo not place any objects on the steer-
ing wheel pad or on the instrument
panel. Also, do not place any objects
between any occupant and the steering
wheel or instrument panel. Such ob-
jects may become dangerous projec-
tiles and cause injury if the supplemen-
tal front air bag inflates.
cRight after inflation, several front air
bag system components will be hot. Do
not touch them; you may severely burn
yourself.cNo unauthorized changes should be
made to any components or wiring of
the supplemental air bag system. This is
to prevent accidental inflation of the
supplemental air bag or damage to the
supplemental air bag system.
cDo not make unauthorized changes to
your vehicle’s electrical system, sus-
pension system or front end structure.
This could affect proper operation of
the supplemental front air bag system.
cTampering with the supplemental front
air bag system may result in serious
personal injury. Tampering includes
changes to the steering wheel and the
instrument panel assembly by placing
material over the steering wheel pad
and above the instrument panel or by
installing additional trim material
around the air bag system.
Seats, restraints and supplemental air bag systems1-15
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cMaintenance around and on the supple-
mental front air bag system should be
done by a NISSAN dealer. Installation
of electrical equipment should also be
done by a NISSAN dealer. The Supple-
mental Restraint System (SRS) wiring
should not be modified or discon-
nected. Unauthorized electrical test
equipment and probing devices should
not be used on the air bag system.
cA cracked windshield should be re-
placed immediately by a qualified re-
pair facility. A cracked windshield could
affect inflation of the supplemental air
bag system.
cThe SRS wiring harness connectors are
yellow and orange for easy
identification.
When selling your vehicle, we request that you
inform the buyer about the supplemental front air
bag system and guide the buyer to the appropri-
ate sections in this Owner’s Manual.
Supplemental curtain side-impact air
bag system (if so equipped)
The supplemental curtain side-impact air bags
are located in the roof side rails. This system is
designed to meet voluntary guidelines to help
reduce the risk of injury to out-of-position occu-
pants.However, all of the information, cau-
tions and warnings in this manual still ap-
ply and must be followed.The curtain side-
impact air bags are designed to inflate in higher
severity side collisions, although they may inflate
if the forces in another type of collision are similar
to those of a higher severity side impact. They aredesigned to inflate on the side where the vehicle
is impacted. They may not inflate in certain side
collisions.
Vehicle damage (or lack of it) is not always an
indication of proper supplemental curtain side-
impact air bag operation.
When the supplemental curtain side-impact air
bags inflate, a fairly loud noise may be heard,
followed by release of smoke. This smoke is not
harmful and does not indicate a fire. Care should
be taken not to inhale it, as it may cause irritation
and choking. Those with a history of a breathing
condition should get fresh air promptly.
Supplemental curtain side-impact air bags help
to cushion the impact force to the head of occu-
pants in the front and rear outboard seating po-
sitions. They can help save lives and reduce
serious injuries. However, an inflating curtain
side-impact air bag may cause abrasions or other
injuries. Supplemental curtain side-impact air
bags do not provide restraint to the lower body.
Rear seat passengers should be seated as far
away as practical from the door finishers and side
roof rails. The curtain side-impact air bag inflate
quickly in order to help protect the occupants.
Because of this, the force of the curtain side-
impact air bag inflating can increase the risk of
injury if the occupant is too close to, or is against,
WRS0235
1-16Seats, restraints and supplemental air bag systems
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these air bag modules during inflation. The cur-
tain side-impact air bag will deflate quickly after
the collision is over.
The supplemental curtain side-impact air
bags operate only when the ignition switch
is in the ON or START position.
After turning the ignition key to the ON
position, the supplemental air bag warning
light illuminates. The supplemental air bag
warning light will turn off after about 7
seconds if the system is operational.
WARNING
cRight after inflation, several curtain
side-impact air bag system compo-
nents will be hot. Do not touch them;
you may severely burn yourself.
cNo unauthorized changes should be
made to any components or wiring of
the curtain side-impact air bag system.
This is to prevent accidental inflation of
the curtain side-impact air bag or dam-
age to the curtain side-impact air bag
system.cDo not make unauthorized changes to
your vehicle’s electrical system, sus-
pension system or side panel. This
could affect proper operation of the
supplemental curtain side-impact air
bag system.
cWork around and on the curtain side-
impact air bag system should be done
by a NISSAN dealer. Installation of elec-
trical equipment should also be done by
a NISSAN dealer. The SRS wiring har-
nesses* should not be modified or dis-
connected. Unauthorized electrical test
equipment and probing devices should
not be used on the side air bag system.
* The SRS wiring harness connectors are
yellow and orange for easy identification.
When selling your vehicle, we request that you
inform the buyer about the supplemental side air
bag and curtain side-impact air bag system and
guide the buyer to the appropriate sections in this
Owner’s Manual.
Pre-tensioner seat belt system (For
front seats)
WARNING
cThe pre-tensioner seat belt cannot be
reused after activation. It must be re-
placed together with the retractor and
buckle as a unit.
cIf the vehicle becomes involved in a
frontal collision but the pre-tensioner is
not activated, be sure to have the pre-
tensioner system checked and, if nec-
essary, replaced by your NISSAN
dealer.
cNo unauthorized changes should be
made to any components or wiring of
the pre-tensioner seat belt system. This
is to prevent accidental activation of
the pre-tensioner seat belt or damage
to the pre-tensioner seat belt operation.
Tampering with the pre-tensioner seat
belt system may result in serious per-
sonal injury.
Seats, restraints and supplemental air bag systems1-17
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1. SRS Air Bag Warning Labels
2. SRS Curtain Side-impact Air Bag
Warning Labels (located on the door
pillar) (if so equipped)SUPPLEMENTAL AIR BAG
WARNING LABELS
Warning labels about the supplemental front air
bag and curtain side-impact air bag systems are
placed in the vehicle as shown in the illustration.
SUPPLEMENTAL AIR BAG
WARNING LIGHT
The supplemental air bag warning light,
displayingin the instrument panel, moni-
tors the circuits of the supplemental front air bag,
supplemental curtain side-impact air bag (if so
equipped) and pre-tensioner seat belt systems.
The circuits monitored by the supplemental air
bag warning light are the diagnosis sensor unit,
crash zone sensor, supplemental front air bag
modules, supplemental curtain side-impact air
bag modules (if so equipped) , pre-tensioner seat
belts and all related wiring.
WRS0188
LRS0100
Seats, restraints and supplemental air bag systems1-19
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WARNING
cDo not leave children, impaired adults,
or pets alone in your vehicle. They could
accidentally injure themselves or oth-
ers through inadvertent operation of
the vehicle. Also, on hot, sunny days,
temperatures in a closed vehicle could
quickly become high enough to cause
severe or possibly fatal injuries to
people or animals.
cProperly secure all cargo with ropes or
straps to help prevent it from sliding or
shifting. Do not place cargo higher than
the seatbacks. In a sudden stop or col-
lision, unsecured cargo could cause
personal injury.
EXHAUST GAS (carbon monoxide)
WARNING
cDo not breathe exhaust gases; they
contain colorless and odorless carbon
monoxide. Carbon monoxide is danger-
ous. It can cause unconsciousness or
death.cIf you suspect that exhaust fumes are
entering the vehicle, drive with all win-
dows fully open, and have the vehicle
inspected immediately.
cDo not run the engine in closed spaces
such as a garage.
cDo not park the vehicle with the engine
running for any extended length of time.
cKeep the back door and rear windows
closed while driving, otherwise exhaust
gases could be drawn into the passen-
ger compartment. If you must drive with
the back door or rear windows open,
follow these precautions:
1. Open all the windows.
2. Set the
air recirculation but-
ton (if so equipped) to off and the fan
control dial to 4 (high) to circulate
the air.
cIf electrical wiring or other cable con-
nections must pass to a trailer through
the seal on the back door or the body,
follow the manufacturer’s recommen-
dation to prevent carbon monoxide en-
try into the vehicle.cThe exhaust system and body should be
inspected by a qualified mechanic
whenever:
a. The vehicle is raised for service.
b. You suspect that exhaust fumes are
entering into the passenger
compartment.
c. You notice a change in the sound of
the exhaust system.
d. You have had an accident involving
damage to the exhaust system, un-
derbody, or rear of the vehicle.
THREE-WAY CATALYST
The three-way catalyst is an emission control
device installed in the exhaust system. Exhaust
gases in the three-way catalyst are burned at
high temperatures to help reduce pollutants.
WARNING
cThe exhaust gas and the exhaust sys-
tem are very hot. Keep people, animals
or flammable materials away from the
exhaust system components.
PRECAUTIONS WHEN STARTING
AND DRIVING
5-2Starting and driving
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3. Route the trailer tow harness so that it does
not block access to the spare tire winch
socket.
4. Connect the tow harness connector (SAE
J1239) to your trailer.
5. Confirm proper vehicle and trailer stop/turn
lamp operation.
6.
When towing is completed, disconnect the
tow harness from the trailer and the vehicle.
Store the tow harness in the glove box. Rein-
stall the connector cap to the vehicle harness.
If you need further assistance in wiring a trailer to
your NISSAN, contact a NISSAN dealer.
Always confirm proper vehicle and trailer
stop/turn lamp operation every time the
trailer light circuits are connected for use.
Trailer brakes
If your trailer is equipped with a braking system,
make sure it conforms to federal and/or local
regulations and that it is properly installed.
WARNING
Never connect a trailer brake system di-
rectly to the vehicle brake system.
Pre-towing tips
cBe certain your vehicle maintains a level
position when a loaded and/or unloaded
trailer is hitched. Do not drive the vehicle if it
has an abnormal nose-up or nose-down
condition; check for improper tongue load,
overload, worn suspension or other possible
causes of either condition.
cAlways secure items in the trailer to prevent
load shift while driving.
cBe certain your rear view mirrors conform to
all federal, state or local regulations. If not,
install any mirrors required for towing before
driving the vehicle.
Trailer towing tips
In order to gain skill and an understanding of the
vehicle’s behavior, you should practice turning,
stopping and backing up in an area which is free
from traffic. Steering stability and braking perfor-
mance will be somewhat different than under
normal driving conditions.
cAlways secure items in the trailer to prevent
load shift while driving.
cAvoid abrupt starts, acceleration or stops.
cAvoid sharp turns or lane changes.
c
Always drive your vehicle at a moderate speed.
cAlways block the wheels on both vehicle and
trailer when parking. Parking on a slope is
not recommended; however, if you must do
so, and if your vehicle is equipped with an
automatic transmission, first block the
wheels and apply the parking brake, and
then move the transmission shift selector
lever into the P (Park) position. If you move
the shift selector lever to the P (Park) posi-
tion before blocking the wheels and applying
the parking brake, transmission damage
could occur.
cWhen going down a hill, shift into a lower
gear and use the engine braking effect.
When going up a long grade, downshift the
transmission to a lower gear and reduce
speed to reduce chances of engine over-
loading and/or overheating. However, for
long steep grades, do not stay in 1st or 2nd
gear when driving above 35 MPH (56 km/h) .
cIf the engine coolant rises to an extremely
high temperature when the air conditioner
system is on, turn off the air conditioner.
Coolant heat can be additionally vented by
opening the windows, switching the fan
control to high and setting the temperature
control to the HOT position.
cTrailer towing requires more fuel than normal
circumstances.
9-22Technical and consumer information
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A genuine NISSAN Service Manual is the best
source of service and repair information for your
vehicle. Filled with wiring diagrams, illustrations
and step-by-step diagnostic and adjustment pro-
cedures, this manual is the same one used by the
factory trained technicians working at NISSAN
dealerships. Also available are genuine NISSAN
Owner’s Manuals, and genuine NISSAN Service
and Owner’s Manuals for older NISSAN models.
For USA
For current pricing and availability of genuine
NISSAN Service Manualsfor the 2000 model
year and later contact:
Tweddle Litho Company
1-800-639-8841
www.nissan-techinfo.com
For current pricing and availability of genuine
NISSAN Service Manualsfor the 1999 model
year and prior, see a NISSAN dealer, or contact:
DDS Distribution Service, Ltd.
20770 Westwood Road
Strongsville, OH 44136
1-800-247-5321
OWNER’S MANUAL/SERVICE
MANUAL ORDER INFORMATION
Technical and consumer information9-27
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