2004 NISSAN 350Z ECU

WARNING

Do not leave children or adults who
would normally require the support
of others alone in your vehicle. Pets
should not be left alone either. They
could accidentally injure themselves
or others through inadvertent opera-
tion 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.

Properly secure all cargo to help pre-
vent it from sliding or shifting. Do not
place cargo higher than the seat-
backs. In a sudden stop or collision,
unsecured cargo could cause per-
sonal injury. (Coupe models)

Closely supervise children when they
are around your vehicle to prevent
them from playing and becoming
locked in the trunk where they could
be seriously injured. Keep the car
locked with the trunk closed whennot in use, and prevent children’s
access to car keys. (Roadster mod-
els)
EXHAUST GAS (Carbon monoxide)
WARNING
Do not breathe exhaust gases; they con-
tain colorless and odorless carbon mon-
oxide. Carbon monoxide is dangerous.
It can cause unconsciousness or death.

If you suspect that exhaust fumes are
entering the vehicle, drive with all
windows fully open, and have the
vehicle inspected immediately.

Do not run the engine in closed
spaces such as a garage.

Do not park the vehicle with the en-
gine running for any extended length
of time.

Keep the rear hatch/trunk lid closed
while driving, otherwise exhaustgases could be drawn into the pas-
senger compartment. If you must
drive with the rear hatch/trunk lid
open, follow these precautions:
1. Open all the windows.
2. Set the air recirculation mode OFF
and the fan control at the maxi-
mum position to circulate the air.

If electrical wiring or other cable con-
nections must pass to a trailer
through the seal on the rear
hatch/trunk lid or the body, follow
the manufacturer’s recommendation
to prevent carbon monoxide entry
into the vehicle.

If a special body or other equipment
is added for recreational or other
usage, follow the manufacturer’s rec-
ommendation to prevent carbon
monoxide entry into the vehicle.
(Some recreational vehicle appli-
ances such as stoves, refrigerator,
heaters, etc. may also generate car-
bon monoxide.)
PRECAUTIONS WHEN STARTING
AND DRIVING5-2
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FREEING A FROZEN DOOR LOCKTo prevent a door lock from freezing, apply
de-icer or glycerin to it through the key hole. If
the lock becomes frozen, heat the key before
inserting it into the key hole.ANTI-FREEZEIn the winter when it is anticipated that the
temperature will drop below 32°F (0°C), check
anti-freeze to assure proper winter protection.
For additional information, see “Engine Cooling
System” in the “8. Maintenance and do-it-
yourself” section.BATTERYIf the battery is not fully charged during extremely
cold weather conditions, the battery fluid may
freeze and damage the battery. To maintain
maximum efficiency, the battery should be
checked regularly. For additional information,
see “Battery” in the “8. Maintenance and do-it-
yourself” section.DRAINING OF COOLANT WATERIf the vehicle is to be left outside without anti-
freeze, drain the cooling system by opening the
drain plug located under the radiator. Refill
before operating the vehicle. See “Engine cool-
ing system” in the “8. Maintenance and do-it-
yourself” section for changing engine coolant.
TIRE EQUIPMENT1. SUMMER tires are of a tread design to
provide superior performance on dry pave-
ment. However, the performance of these
tires will be substantially reduced in snowy
and icy conditions. If you operate your vehicle
on snowy or icy roads, NISSAN recommends
the use of MUD & SNOW or ALL SEASON
tires on all four wheels. Please consult your
NISSAN dealer for the tire type, size, speed
rating and availability information.
2. For additional traction on icy roads, studded
tires may be used. However, some provinces
and states prohibit their use. Check local,
state and provincial laws before installing
studded tires.
Skid and traction capabilities of studded
snow tires, on wet or dry surfaces, may be
poorer than that of non-studded snow
tires.
3. Tire chains may be used if desired. Make sure
they are of proper size for the tires on your
vehicle and are installed according to the
chain manufacturer’s suggestions. Use of tire
chains may be prohibited according to loca-
tion. Check the local laws before installing
tire chains. When installing tire chains, make
sure they are of proper size for the tires on
your vehicle and are installed according tothe chain manufacturer’s suggestions.Use
only SAE Class S chains.Class “S” chains
are used on vehicles with restricted tire to
vehicle clearance. Vehicles that can use
Class “S” chains are designed to meet the
SAE standard minimum clearances between
the tire and the closest vehicle suspension or
body component required to accommodate
the use of a winter traction device (tire chains
or cables). The minimum clearances are de-
termined using the factory equipped tire size.
Other types may damage your vehicle. Use
chain tensioners when recommended by the
tire chain manufacturer to ensure a tight fit.
Loose end links of the tire chain must be
secured or removed to prevent the possibility
of whipping action damage to the fenders or
underbody. If possible, avoid fully loading
your vehicle when using tire chains. In addi-
tion, drive at a reduced speed. Otherwise,
your vehicle may be damaged and/or vehicle
handling and performance may be adversely
affected.
Never install tire chains on a T-type spare tire.
Do not use tire chains on dry roads.
SPECIAL WINTER EQUIPMENTIt is recommended that the following items be
carried in the vehicle during winter:

a scraper and stiff-bristled brush to remove
COLD WEATHER DRIVING5-24
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LOW TIRE PRESSURE WARNING
SYSTEM (if so equipped)The low tire pressure warning system which
displays pressure of all tires (except the spare
tire) on the trip computer by sending a signal
from a sensor that is installed in each wheel. If
the vehicle is being driven with very low tire
pressure (lower than 28 psi), the low tire pres-
sure warning system will activate and warn you
of it by the low tire pressure warning light (in the
meter panel) or the PSI indicator (on the trip
computer). This system will activate only when
the vehicle is driven at speeds above 20 MPH
(32 km/h). For more details, refer to “Trip com-
puter” and “Warning/indicator lights and audible
reminders” in the “2. Instruments and controls”
section and “Low tire pressure warning system”
in the “5. Starting and driving” section.
WARNING

If the low tire pressure warning light
comes on and/or the PSI indicator
flashes while driving, avoid sudden
steering maneuvers or abrupt brak-
ing, reduce vehicle speed, pull off the
road to a safe location and stop thevehicle as soon as possible. Serious
vehicle damage could occur and may
lead to an accident and could result
in serious personal injury. Check the
pressure for all four tires. Adjust the
tire pressure to the recommended
COLD tire pressure shown on the Tire
and Loading Information label to turn
the low tire pressure warning light
OFF. If you have a flat tire, replace it
with a spare tire as soon as possible.

When a spare tire is mounted or a
wheel is replaced, tire pressure will
not be indicated and the low tire
pressure warning system will not
function. Contact your NISSAN
dealer as soon as possible for tire
replacement and/or system reset-
ting.

Do not inject any tire liquid or aerosol
tire sealant into the tires, as this may
cause a malfunction of the tire pres-
sure sensors.
CHANGING A FLAT TIREIf you have a flat tire, follow the instructions
below.Stopping the vehicle1. Safely move the vehicle off the road away
from traffic.
2. Turn on the hazard warning flashers.
3. Park on a level surface and apply the parking
brake. Shift the manual transmission into R
(Reverse) position (automatic transmission in
P (Park) position).
4. Turn off the engine.
5. Raise the hood to warn other traffic, and to
signal professional road assistance person-
nel that you need assistance.
6. Have all passengers get out of the vehicle
and stand in a safe place, away from traffic
and clear of the vehicle.
WARNING

Make sure that the parking brake is
securely applied and the manual
transmission is shifted into R (Re-
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The jack should be used on level firm
ground.
2. Loosen each wheel nut one or two turns by
turning counterclockwise with the wheel nut
wrench.Do not remove the wheel nuts
until the tire is off the ground.
3. Carefully raise the vehicle until the tire clears
the ground. To lift the vehicle, securely hold
the jack lever and rod with both hands as
shown above. Remove the wheel nuts, and
then remove the tire.
WARNING

Never get under the vehicle while it is
supported only by the jack.

Use only the jack provided with your
vehicle to lift the vehicle. Do not use
the jack provided with your vehicle
on other vehicles.
The jack is designed only for lifting
your vehicle during a tire change.
Use the correct jack up points; never
use any other part of the vehicle for
jack support.

Never jack up the vehicle more than
necessary.

Never use blocks on or under the
jack.

Do not start or run engine while ve-
hicle is on the jack, as it may cause
the vehicle to move. This is especially
true for vehicles with limited slip dif-
ferential carriers.

Do not allow passengers to stay in
the vehicle while it is on the jack.
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In case of emergency
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Installing the spare tireThe spare tire is designed for emergency
use. See specific instructions under the
heading “Wheels and tires” in the “8. Main-
tenance and do-it-yourself” section.
1. Clean any mud or dirt from the surface
between the wheel and hub.
2. Carefully put the wheel on and tighten the
wheel nuts finger tight. When replacing a
front tire, make sure the hole in the spare tire
wheel is aligned with the pin on the brake
rotor.
3. With the wheel nut wrench, tighten wheelnuts alternately and evenly in the sequence
illustrated (
1
-5) until they are tight.
4. Lower the vehicle slowly until the tire touches
the ground. Then, with the wheel nut wrench,
tighten the wheel nuts securely in the se-
quence as illustrated. Lower the vehicle com-
pletely.
WARNING

Incorrect wheel nuts or improperly
tightened wheel nuts can cause the
wheel to become loose or come off.
This could cause an accident.

Do not use oil or grease on the wheel
studs or nuts. This could cause the
nuts to become loose.

Retighten the wheel nuts when the
vehicle has been driven for 600 miles
(1,000 km) (also in cases of a flat tire,
etc.).
As soon as possible tighten the wheel nuts
to the specified torque with a torque
wrench.Wheel nut tightening torque:
80 ft-lb (108 N⋅m)
The wheel nuts must be kept tightened to
specification at all times. It is recom-
mended that wheel nuts be tightened to
specification at each lubrication interval.
Adjust tire pressure to the COLD pressure.
COLD pressure:
After vehicle has been parked for three
hours or more or driven less than 1 mile
(1.6 km).
COLD tire pressures are shown on the Tire
and Loading Information label affixed to
the driver’s side center pillar.
For models equipped with the low tire
pressure warning system:
After adjusting tire pressure to the COLD tire
pressure, the display of the tire pressure infor-
mation may show higher pressure than the
COLD tire pressure after the vehicle has been
driven more than 1 mile (1.6 km). This is because
the tire pressurizes as the tire temperature rises.
This does not indicate a system malfunction.
Stowing the tire and toolsSecurely store the spare tire and jacking equip-
ment in the vehicle.
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WARNING

Always make sure that the spare tire
and jacking equipment are properly
secured after use. Such items can
become dangerous projectiles in an
accident or sudden stop.

The spare tire is designed for emer-
gency use. See specific instructions
under the heading “Wheels and tires”
in the “8. Maintenance and do-it-
yourself” section.To start your engine with a booster battery, the
instructions and precautions below must be
followed.
WARNING

If done incorrectly, jump starting can
lead to a battery explosion, resulting
in severe injury or death. It could also
damage your vehicle.

Explosive hydrogen gas is always
present in the vicinity of the battery.
Keep all sparks and flames away
from the battery.

Do not allow battery fluid to come
into contact with eyes, skin, cloth or
painted surfaces. Battery fluid is a
corrosive sulphuric acid solution
which can cause severe burns. If the
fluid should come into contact with
anything, immediately flush the con-
tacted area with water.

Keep battery out of the reach of chil-
dren.

The booster battery must be rated at12 volts. Use of an improperly rated
battery can damage your vehicle.

Whenever working on or near a bat-
tery, always wear suitable eye protec-
tors (for example, goggles or indus-
trial safety spectacles) and remove
rings, metal bands, or any other jew-
elry. Do not lean over the battery
when jump starting.

Do not attempt to jump start a frozen
battery. It could explode and cause
serious injury.JUMP STARTING
In case of emergency
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ground or four wheels on the ground
(forward or backward) as this may
cause serious and expensive damage
to the transmission.
If it is necessary to tow the vehicle
with the front wheels raised, always
use towing dollies under the rear
wheels.

When towing rear wheel drive mod-
els with the front wheels on the
ground or on towing dollies:
Turn the ignition key to the OFF po-
sition, and secure the steering wheel
in a straight ahead position with a
rope or similar device. Never secure
the steering wheel by turning the
ignition key to the LOCK position.
This may damage the steering lock
mechanism.
VEHICLE RECOVERY (Freeing a
stuck vehicle)Use the towing hook by installing it in the front of
the vehicle. (The rear has no towing points.)
After removing the front license plate (if so
equipped),1Remove the towing hook cover from the
bumper.
2Securely install the towing hook stored with
jacking tools.
Make sure that the hook is properly secured in
the stored place after use.
Tow chains or cables must be attached only
to the main structural members of the vehicle.

Pulling devices should be routed so they do
not touch any part of the suspension, steer-
ing, brake or cooling systems.

Always pull the cable straight out from the
front of the vehicle. Never pull on the vehicle
at an angle.

Pulling devices such as ropes or canvas
straps are not recommended for use in ve-
hicle towing or recovery.

Stand clear of a stuck vehicle.
WARNING
Do not spin your tires at high speed.
This could cause them to explode and
result in serious injury. Parts of your
vehicle could also overheat and be dam-
aged.
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Your new NISSAN has been designed to have
minimum maintenance requirements with longer
service intervals to save you both time and
money. However, some day-to-day and regular
maintenance is essential to maintain your
NISSAN’s good mechanical condition, as well
as its emission and engine performance.
It is the owner’s responsibility to make sure that
scheduled maintenance, as well as general
maintenance, is performed.
As the vehicle owner, you are the only one who
can ensure that your vehicle receives the proper
maintenance care. You are a vital link in the
maintenance chain.
Scheduled maintenance:
For your convenience, both required and op-
tional scheduled maintenance items are de-
scribed and listed in your “Service and Mainte-
nance Guide”. You must refer to that guide to
ensure that necessary maintenance is performed
on your NISSAN at regular intervals.
General maintenance:
General maintenance includes those items
which should be checked during normal day-to-
day operation. They are essential for proper
vehicle operation. It is your responsibility to
perform these procedures regularly as pre-
scribed.Performing general maintenance checks re-
quires minimal mechanical skill and only a few
general automotive tools.
These checks or inspections can be done by
yourself, a qualified technician or, if you prefer,
your NISSAN dealer.
Where to go for service:
If maintenance service is required or your vehicle
appears to malfunction, have the systems
checked and tuned by a NISSAN dealer.
NISSAN technicians are well-trained specialists
and are kept up to date with the latest service
information through technical bulletins, service
tips, and in-dealership training programs. They
are completely qualified to work on NISSAN
vehiclesbeforethey work on your vehicle,
rather than after they have worked on it.
You can be confident that your NISSAN dealer’s
service department performs the best job to
meet the maintenance requirements of your ve-
hicle — in a reliable and economic way.During the normal day-to-day operation of the
vehicle, general maintenance should be per-
formed regularly as prescribed in this section. If
you detect any unusual sounds, vibrations or
smells, be sure to check for the cause or have
your NISSAN dealer check it promptly. In addi-
tion, you should notify your NISSAN dealer if you
think that repairs are required.
When performing any checks or maintenance
work, closely observe the “Maintenance precau-
tions” later in this section.
EXPLANATION OF GENERAL
MAINTENANCE ITEMSAdditional information on the following
items with “*” is found later in this section.Outside the vehicleThe maintenance items listed here should be
performed from time to time, unless otherwise
specified.
Doors and engine hood:Check that all doors
and the engine hood operate smoothly as well as
the trunk lid or back hatch. Also make sure that
all latches lock securely. Lubricate if necessary.
Make sure that the secondary latch keeps the
hood from opening when the primary latch is
released.
When driving in areas using road salt or other
MAINTENANCE REQUIREMENTS GENERAL MAINTENANCE8-2
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