NISSAN ALTIMA 2003 L31 / 3.G Owner's Manual

1. SRS curtain side-impact air bag (right)
(if so equipped)
2. Supplemental side air bag modules (if
so equipped)
3. SRS curtain side-impact air bag mod-
ule (if so equipped)4. Satellite sensors
5. Seat belt pre-tensioner retractor
6. Diagnosis sensor unit
7. Supplemental front air bag modules
8. Crash zone sensor9. SRS curtain side-impact air bag (left) (if
so equipped)
10. Seat belt buckle switches
Supplemental front air bag system
The driver supplemental front air bag is located in
the center of the steering wheel. The passenger
supplemental front air bag is mounted in the
dashboard above the glove box.
These systems are designed to meet optional
certification requirements under U.S. regulations.
They are also permitted in Canada. The optional
certification allows the front air bags to be de-
signed to inflate somewhat less forcefully than
previously.However, all of the information,
cautions and warnings in this manual still
apply and must be followed.
The supplemental front air bag system is de-
signed to inflate in higher severity frontal colli-
sions, although it may inflate if the forces in an-
other type of collision are similar to those of a
higher severity frontal impact. It may not inflate in
certain frontal collisions. Vehicle damage (or lack
of it) is not always an indication of proper supple-
mental front air bag system operation.
The supplemental air bag system has dual stage
inflators for both the driver and passenger air
bags. The system monitors information from the
crash zone sensor, the diagnosis sensor unit and
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seat belt buckle sensors that detect if the seat
belts are fastened. Inflator operation is based on
the severity of a collision and whether the seat
belts are being used. Only one front air bag may
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 frontoccupants. 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.
cImmediately after inflation, several
front air bag system components will be
hot. Do not touch them; you may se-
verely 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.
1-16Seats, restraints and supplemental air bag systems
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cMaintenance on and around 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 side-impact air bag and
curtain side-impact air bags system (if
so equipped)
The supplemental side-impact air bags are lo-
cated in the outside of the seatback of the front
seats. The supplemental curtain side-impact air
bags are located in the side roof rails. These
systems are designed to meet voluntary guide-
lines to help reduce the risk of injury to out-of-
position occupants.However, all of the infor-
mation, cautions and warnings in this
manual still apply and must be followed.
The supplemental side air bags and curtain side-
impact air bags are designed to inflate in higherseverity 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 are
designed 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 side air bag
and curtain side-impact air bag operation.
When the supplemental side air bag and curtain
side-impact air bag 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 side air bags, along with the use of
seat belts, help to cushion the impact force on
the chest of the front occupants. Curtain side-
impact air bags help to cushion the impact force
to the head of occupants in the front and rear
outboard seating positions. They can help save
lives and reduce serious injuries. However, an
inflating side air bag and curtain side-impact air
bag may cause abrasions or other injuries.
Supplemental side air bags and curtain side-
impact air bags do not provide restraint to the
lower body.
LRS0105
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The seat belts should be correctly worn and the
driver and passenger seated upright as far as
practical away from the supplemental side air
bag. Rear seat passengers should be seated as
far away as practical from the door finishers and
side roof rails. The side air bags and curtain
side-impact air bag inflate quickly in order to help
protect the front occupants. Because of this, the
force of the side air bag and curtain side-impact
air bag inflating can increase the risk of injury if
the occupant is too close to, or is against, these
air bag modules during inflation. The side air bag
and curtain side-impact air bag will deflate
quickly after the collision is over.
The supplemental side air bags and curtain
side-impact air bags operate only when the
ignition switch is in the ON or START posi-
tions.
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 near the seat-
back of the front seats. Also, do not
place any objects (an umbrella, bag,
etc.) between the front door finisher
and the front seat. Such objects may
become dangerous projectiles and
cause injury if the supplemental side air
bag inflates.
cRight after inflation, several side air bag
and curtain side-impact 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 side air bag and curtain side-impact
air bag system. This is to prevent acci-
dental inflation of the side air bag and
curtain side-impact air bag or damage
to the side air bag and 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 side air bag and curtain
side-impact air bag system.cTampering with the supplemental side
air bag system may result in serious
personal injury. For example, do not
change the front seats by placing mate-
rial near the seatback or by installing
additional trim material, such as seat
covers, around the side air bag.
cWork around and on the side air bag
and curtain side-impact air bag system
should be done by a NISSAN dealer.
Installation of electrical equipment
should also be done by a NISSAN
dealer. The SRS wiring harnesses*
should not be modified or discon-
nected. 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.
1-18Seats, restraints and supplemental air bag systems
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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.cWork around and on the pre-tensioner
system should be done by a NISSAN
dealer. Installation of electrical equip-
ment should also be done by a NISSAN
dealer. Unauthorized electrical test
equipment and probing devices should
not be used on the pre-tensioner seat
belt system.
cIf you need to dispose of the pre-
tensioner or scrap the vehicle, contact a
NISSAN dealer. Correct pre-tensioner
disposal procedures are set forth in the
appropriate NISSAN Service Manual.
Incorrect disposal procedures could
cause personal injury.
The front seat pre-tensioner seat belt system
activates in conjunction with the supplemental
front air bag. Working with the seat belt retractor,
it helps tighten the seat belt the instant the ve-
hicle becomes involved in certain types of colli-
sions, thereby restraining seat occupants.
The pre-tensioner is encased with the seat belt’s
retractor. These seat belts are used the same as
conventional seat belts.
When the pre-tensioner seat belt activates,
smoke is released and a loud noise may be heard.
This smoke is not harmful and does not indicate a
fire. Care should be taken not to inhale it, as it maycause irritation and choking. Those with a history
of a breathing condition should get fresh air
promptly.
If any abnormality occurs in the pre-tensioner
system, the supplemental air bag warning
lightwill not come on, will flash intermit-
tently or will turn on for 7 seconds and remain on
after the ignition key has been turned to the ON or
START position. In this case, the pre-tensioner
seat belt may not function properly. They must be
checked and repaired. Take your vehicle to the
nearest NISSAN dealer.
When selling your vehicle, we request that you
inform the buyer about the pre-tensioner seat belt
system and guide the buyer to the appropriate
sections in this Owner’s Manual.
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1. SRS Air Bag Warning Labels
2. SRS Side Air Bag Warning Labels (lo-
cated on the door pillar) (if so
equipped)
SUPPLEMENTAL AIR BAG
WARNING LABELS
Warning labels about the supplemental front air
bag, supplemental side 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 side air bag and 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 diag-
nosis sensor unit, crash zone sensor, satellite
sensors, front air bag modules, side air bag mod-
ules, curtain side-impact air bag modules, pre-
tensioner seat belts and all related wiring.When the ignition key is in the ON or START
position, the supplemental air bag warning light
illuminates for about 7 seconds and then turns
off. This means the system is operational.
If any of the following conditions occur, the
supplemental front air bag, supplemental side air
bag and curtain side-impact air bag (if so
equipped) and pre-tensioner seat belt systems
need servicing:
cThe supplemental air bag warning light re-
mains on after approximately 7 seconds.
cThe supplemental air bag warning light
flashes intermittently.
cThe supplemental air bag warning light does
not come on at all.
Under these conditions, the supplemental front
air bag, supplemental side air bags and curtain
side-impact air bag (if so equipped) or pre-
tensioner seat belt systems may not operate
properly. It must be checked and repaired. Take
your vehicle to the nearest NISSAN dealer.
WRS0169LRS0100
1-20Seats, restraints and supplemental air bag systems
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WARNING
If the supplemental air bag warning light
is on, it could mean that the supplemental
front air bag, supplemental side air bag,
curtain side-impact air bag systems (if so
equipped) and/or pre-tensioner seat belt
systems will not operate in an accident.
Repair and replacement procedure
The supplemental front air bags, supplemental
side air bags, curtain side-impact air bags (if so
equipped) and pre-tensioner seat belts are de-
signed to inflate on a one-time-only basis. As a
reminder, unless it is damaged, the supplemental
air bag warning light remains illuminated after
inflation has occurred. Repair and replacement of
these supplemental air bag systems should be
done only by a NISSAN dealer.
When maintenance work is required on the ve-
hicle, the supplemental front air bags, supple-
mental side air bags, curtain side-impact air bags
(if so equipped) , pre-tensioner seat belts and
related parts should be pointed out to the person
performing the maintenance. The ignition key
should always be in the LOCK position when
working under the hood or inside the vehicle.
WARNING
cOnce a supplemental front air bag,
supplemental side air bag or curtain
side-impact air bag has inflated, the air
bag module will not function again and
must be replaced. Additionally, if any of
the supplemental front air bags inflate,
the activated pre-tensioner seat belts
must also be replaced. The air bag mod-
ule and pre-tensioner seat belt system
should be replaced by a NISSAN dealer.
The air bag module and pre-tensioner
seat belt system cannot be repaired.
cThe supplemental front air bag, side air
bag and curtain side-impact air bag sys-
tems, and the pre-tensioner seat belt
system should be inspected by a
NISSAN dealer if there is any damage to
the front end or side portion of the
vehicle.
cIf you need to dispose of the supple-
mental air bag, pre-tensioner seat belt
system or scrap the vehicle, contact a
NISSAN dealer. Correct supplemental
air bag and pre-tensioner seat belt sys-
tem disposal procedures are set forth in
the appropriate NISSAN Service
Manual. Incorrect disposal procedures
could cause personal injury.
Seats, restraints and supplemental air bag systems1-21
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PRECAUTIONS ON SEAT BELT
USAGE
If you are wearing your seat belt properly ad-
justed and you are sitting upright and well back in
your seat, your chances of being injured or killed
in an accident and/or the severity of injury may be
greatly reduced. NISSAN strongly encourages
you and all of your passengers to buckle up every
time you drive, even if your seating position in-
cludes a supplemental air bag.
Most U.S. states and Canadian provinces
or territories specify that seat belts be worn
at all times when a vehicle is being driven.
SSS0136
SEAT BELTS
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WARNING
cEvery person who drives or rides in this
vehicle should use a seat belt at all
times. Children should be properly re-
strained in the rear seat and, if appro-
priate, in a child restraint.
WARNING
cThe seat belt should be properly ad-
justed to a snug fit. Failure to do so may
reduce the effectiveness of the entire
restraint system and increase the
chance or severity of injury in an acci-
dent. Serious injury or death can occur
if the seat belt is not worn properly.
SSS0134SSS0016
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WARNING
cAlways route the shoulder belt over
your shoulder and across your chest.
Never run the belt behind your back,
under your arm or across your neck. The
belt should be away from your face and
neck, but not falling off your shoulder.
cPosition the lap belt as low and snug as
possible AROUND THE HIPS, NOT THE
WAIST. A lap belt worn too high could
increase the risk of internal injuries in
an accident.cBe sure the seat belt tongue is securely
fastened to the proper buckle.
cDo not wear the seat belt inside out or
twisted. Doing so may reduce its
effectiveness.
cDo not allow more than one person to
use the same seat belt.
cNever carry more people in the vehicle
than there are seat belts.
cIf the seat belt warning light glows con-
tinuously while the ignition is turned
ON with all doors closed and all seat
belts fastened, it may indicate a mal-
function in the system. Have the system
checked by a NISSAN dealer.
cOnce the pre-tensioner seat belt has
activated, it cannot be reused and must
be replaced together with the retractor.
See your NISSAN dealer.
cRemoval and installation of the pre-
tensioner seat belt system components
should be done by a NISSAN dealer.cAll seat belt assemblies, including re-
tractors and attaching hardware,
should be inspected after any collision
by a NISSAN dealer. NISSAN recom-
mends that all seat belt assemblies in
use during a collision be replaced un-
less the collision was minor and the
belts show no damage and continue to
operate properly. Seat belt assemblies
not in use during a collision should also
be inspected and replaced if either
damage or improper operation is noted.
cAll child restraints and attaching hard-
ware should be inspected after any col-
lision. Always follow the restraint
manufacturer’s inspection instructions
and replacement recommendations.
The child restraints should be replaced
if they are damaged.
CHILD SAFETY
Children need adults to help protect them.
They need to be properly restrained.
The proper restraint depends on the child’s size.
Generally, infants up to about 1 year and less
than 20 pounds (9 kg) should be placed in rear
facing child restraints. Front facing child re-
straints are available for children who outgrow
rear facing child restraints.
SSS0014
1-24Seats, restraints and supplemental air bag systems
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