ECU NISSAN 350Z 2004 Owner´s Manual

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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corrosive materials, check lubrication frequently.
Lights*:Clean the headlights on a regular basis.
Make sure that the headlights, stop lights, tail
lights, turn signal lights, and other lights are all
operating properly and installed securely. Also
check headlight aim.
Road wheel nuts (lug nuts)*:When checking
the tires, make sure no nuts are missing, and
check for any loose nuts. Tighten if necessary.
Tire rotation*:Tires cannot be rotated in this
vehicle.
Tire, wheel alignment and balance:If the
vehicle pulls to either side while driving on a
straight and level road, or if you detect uneven or
abnormal tire wear, there may be a need for
wheel alignment.
If the steering wheel or seat vibrates at normal
highway speeds, wheel balancing may be
needed.
For additional information regarding tires, refer to
“Important Tire Safety Information” (US) or “Tire
Safety Information” (Canada) in the Warranty
Information Booklet.
Tires*:Check the pressure with a gauge often
and always prior to long distance trips. Adjust
the pressure in all tires, including the spare, to
the pressure specified. Check carefully for dam-age, cuts or excessive wear.
Windshield:Clean the windshield on a regular
basis. Check the windshield at least every six
months for cracks or other damage. Have a
damaged windshield repaired by a qualified re-
pair facility.
Windshield wiper blades*:Check for cracks
or wear if they do not wipe properly.
Inside the vehicleThe maintenance items listed here should be
checked on a regular basis, such as when
performing periodic maintenance, cleaning the
vehicle, etc.
Automatic transmission P (Park) position
mechanism:On a fairly steep hill check that the
vehicle is held securely with the selector lever in
the P (Park) position without applying any
brakes.
Accelerator pedal:Check the pedal for
smooth operation and make sure the pedal does
not catch or require uneven effort. Keep the floor
mat away from the pedal.
Brakes:Check that the brakes do not pull the
vehicle to one side when applied.
Brake pedal and booster*:Check the pedal
for smooth operation and make sure it has the
proper distance under it when depressed fully.Check the brake booster function. Be sure to
keep floor mat away from the pedal.
Clutch pedal*:Make sure the pedal operates
smoothly and check that it has the proper free
play.
Parking brake*:Check that the lever has the
proper travel and make sure that the vehicle is
held securely on a fairly steep hill when only the
parking brake is applied.
Seats:Check seat position controls such as
seat adjusters, seatback recliner, etc. to ensure
they operate smoothly and that all latches lock
securely in every position. Check that the head
restraints move up and down smoothly and that
the locks (if equipped) hold securely in all
latched positions.
Seat belts:Check that all parts of the seat belt
system (for example, buckles, anchors, adjusters
and retractors) operate properly and smoothly,
and are installed securely. Check the belt web-
bing for cuts, fraying, wear or damage.
Steering wheel:Check for changes in the
steering conditions, such as excessive free play,
hard steering or strange noises.
Warning lights and chimes:Make sure that all
warning lights and chimes are operating prop-
erly.
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When performing any inspection or maintenance
work on your vehicle, always take care to prevent
serious accidental injury to yourself or damage to
the vehicle. The following are general precau-
tions which should be closely observed.
WARNING

Park the vehicle on a level surface,
apply the parking brake securely and
block the wheels to prevent the ve-
hicle from moving. For a manual
transmission, move the shift lever to
N(Neutral) position. For an auto-
matic transmission, move the selec-
tor lever to P (Park) position.

Be sure the ignition key is OFF or
LOCK when performing any parts re-
placement or repairs.

If you must work with the engine
running, keep your hands, clothing,
hair and tools away from moving
fans, belts and any other moving
parts.

It is advised to secure or remove any
loose clothing and any jewelry, suchas rings, watches, etc. before work-
ing on your vehicle.

Always wear eye protection when-
ever you work on your vehicle.

If you must run the engine in an
enclosed space such as a garage, be
sure there is proper ventilation for
exhaust gases to escape.

Never get under the vehicle while it is
supported only by a jack. If it is nec-
essary to work under the vehicle,
support it with safety stands.

Keep smoking materials, flame and
sparks away from fuel and the bat-
tery.

On gasoline engine models with the
Multiport Fuel Injection (MFI) Sys-
tem, the fuel filter or fuel lines should
be serviced by a NISSAN dealer be-
cause the fuel lines are under high
pressure even when the engine is off.
CAUTION

Do not work under the hood while
the engine is hot. Turn off the engine
and wait until it cools down.

Never connect or disconnect either
the battery or any transistorized
component connector while the igni-
tion key is on.

Never leave the engine or the auto-
matic transmission related compo-
nent harness connector discon-
nected while the ignition key is on.

Avoid direct contact with used engine
oil and coolant. Improperly disposed
engine oil, engine coolant and/or
other vehicle fluids can hurt the envi-
ronment. Always conform to local
regulations for disposal of vehicle
fluid.
This “8. Maintenance and do-it-yourself” section
gives instructions regarding only those items
which are relatively easy for an owner to perform.
A genuine NISSAN Service Manual is also avail-
MAINTENANCE PRECAUTIONS
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CHANGING ENGINE COOLANT
Major cooling system repairs should be per-
formed by your NISSAN dealer. The service
procedures can be found in the appropriate
NISSAN Service Manual.
Improper servicing can result in reduced
heater performance and engine overheating.
WARNING

To avoid being scalded, never change
the coolant when the engine is hot.

Never remove the radiator cap when
the engine is hot. Serious burns
could be caused by high pressure
fluid escaping from the radiator.

Avoid direct skin contact with used
coolant. If skin contact is made, wash
thoroughly with soap or hand cleaner
as soon as possible.

Keep coolant out of reach of children
and pets.
1. Open radiator drain plug at the bottom of
radiator, and remove radiator filler cap.

Be careful not to allow coolant to con-
tact drive belts.

Waste coolant must be disposed of
properly. Check your local regulations.
2. Close the radiator drain plug securely after
the coolant is drained.3. Fill the radiator slowly with the proper mixture
of anti-freeze solution and demineralized
water/distilled water. Fill the reservoir tank up
to the MAX level. Then install the radiator filler
cap.
4. Start the engine and warm it up until it
reaches normal operating temperature. Then
race the engine 2 or 3 times under no load.
Watch the engine coolant temperature
gauge for signs of overheating.
5. Stop the engine. After it completely cools
down, refill the radiator up to the filler open-
ing. Fill the reservoir tank up to the MAX level.
Check the drain plug for any sign of leakage.
6. Recheck the coolant level after the vehicle
has been driven for a day.
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A suitable adapter should be attached to the
jack stand saddle.
5. Remove the plastic engine undercover.
a. Remove the small plastic clip at the center
point of the undercover.
b. Then remove the other bolts that hold the
undercover in place.
CAUTION
Make sure the correct lifting and sup-
port points are used to avoid vehicle
damage.
Engine oil and filter1. Place a large drain pan under the drain plug.
2. Remove the oil filler cap.
3. Remove the drain plug with a wrench and
completely drain the oil.
CAUTION
Be careful not to burn yourself, as the
engine oil is hot.

Waste oil must be disposed of properly.

Check your local regulations.4. Loosen the oil filter with an oil filter wrench.
Remove the oil filter by turning it by hand.
5. Wipe the engine oil filter mounting surface
with a clean rag.
Be sure to remove any old rubber gas-
ket remaining on the mounting surface
of the engine.
6. Coat the gasket on the new filter with clean
engine oil.
7. Screw in the oil filter clockwise until a slight
resistance is felt, then tighten additionally
more than 2/3 turn.
Oil filter tightening torque:
11 to 15 ft-lb
(14.7 to 20.5 N⋅m)
8. Clean and re-install the drain plug and a new
washer. Securely tighten the drain plug with a
wrench.
Drain plug tightening torque:
22 to 29 ft-lb
(29 to 39 N⋅m)
Do not use excessive force.
9. Refill engine with recommended oil and in-
stall the cap securely.
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WARNING
Anti-freeze is poisonous and should be
stored carefully in marked containers
out of the reach of children.
CAUTION
Do not substitute engine anti-freeze
coolant for window washer solution.
This may result in damage to the paint.
Keep the battery surface clean and dry. Any
corrosion should be washed off with a solu-
tion of baking soda and water.

Make certain the terminal connections are
clean and securely tightened.

If the vehicle is not to be used for 30 days or
longer, disconnect the (—) negative battery
terminal to prevent discharging it.
CAUTION
When the battery cable is removed from
the battery terminal, do not close either
of the front doors. The automatic win-
dow adjusting function will not work,
and the side roof panel/top side rail
may be damaged by doing so.
To disconnect the negative (−) battery ter-
minal, perform the procedure in the follow-
ing order. Otherwise, the window and the
side roof panel/top side rail may contact
and be damaged.
1. Close the windows.
2. Open the hood.3. Close and lock all the doors using the
key or keyfob.
4. Disconnect the negative (−) battery ter-
minal.
5. Securely close the hood.
To connect the negative (−) battery termi-
nal, perform the procedure in the following
order. Otherwise, the window and the side
roof panel may contact and be damaged.
1. Unlock (using the key) and open the
driver side door. Do not close the door.
2. Open the hood.
3. Connect the negative (−) battery termi-
nal. Then close the hood.
4. Fully open the driver side door window.
5. Close the driver side door and the win-
dow.
WARNING

Do not expose the battery to flames
or electrical sparks. Hydrogen gas
generated by battery action is explo-
sive. Do not allow battery fluid to
contact your skin, eyes, fabrics, or
BATTERY
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1. Power steering fluid pump
2. Alternator
3. Crankshaft pulley
4. Air conditioner compressor
: Tension checking points
WARNING
Be sure the ignition key is in the OFF or
LOCK position. The engine could rotate
unexpectedly.1. Visually inspect each belt for signs of unusual
wear, cuts, fraying, oil adhesion or looseness.
If the belt is in poor condition or loose, have
it replaced or adjusted by your NISSAN
dealer.
2. Have the belts checked regularly for condi-
tion and tension.
REPLACING SPARK PLUGSIf replacement is required, see your NISSAN
dealer for servicing.
WARNING
Be sure the engine and ignition switch
are off and that the parking brake is
engaged securely.
CAUTION
Be sure to use the correct socket to
remove the spark plugs. An incorrect
socket can damage the spark plugs.
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DRIVE BELTS SPARK PLUGS
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Replace the battery as follows:
1. Open the lid using a suitable tool.
2. Replace the battery with a new one.
Recommended battery: CR2025 or equiva-
lentMake sure that the⊕side faces the
bottom case.
3. Close the lid securely.
4. Push the keyfobbutton two or three times to
check its operation.
See your NISSAN dealer if you need any assis-
tance for replacement.
If the battery is removed for any reason
other than replacement, perform step 4
above.

Be careful not to touch the circuit board
and the battery terminal.

An improperly disposed battery can
harm the environment. Always confirm
local regulations for battery disposal.

The keyfob is water-resistant; however,
if it gets wet, immediately wipe it com-
pletely dry.

When changing batteries, do not let
dust or oil get on the keyfob.
FCC Notice:
Changes or modifications not expressly
approved by the manufacturer compliance
could void the user’s authority to operate
the equipment. This device complies with
Part 15 of the FCC Rules and RSS-210 ofIndustry Canada. Operation is subject to
the following two conditions: (1) This de-
vice may not cause harmful interference,
and (2) this device must accept any inter-
ference received, including interference
that may cause undesired operation of the
device.
SDI1608
KEYFOB BATTERY
REPLACEMENT8-24
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Snow tiresIf snow tires are needed, it is necessary to select
tires equivalent in size and load rating to the
original equipment tires. If you do not, it can
adversely affect the safety and handling of your
vehicle.
Generally, snow tires will have lower speed
ratings than factory equipped tires and may not
match the potential maximum vehicle speed.
Never exceed the maximum speed rating of the
tire.
If you operate your vehicle in snowy or icy
conditions, NISSAN recommends the use of
snow or all season tires on all four wheels.
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.TIRE CHAINSUse of tire chains may be prohibited according
to location. 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 to the chainmanufacturer’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 determined using the factory
equipped tire size. Other types may damage
your vehicle. Use chain tensioners when recom-
mended 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
undercarriage. If possible, avoid fully loading
your vehicle when using tire chains. In addition,
drive at a reduced speed. Otherwise, your ve-
hicle 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 the chains on dry roads.

Tire chains must be installed only on the
rear wheels and not on the front wheels.
CHANGING WHEELS AND TIRES
Tire rotationTires cannot be rotated in this vehicle, as front
tires are different size from rear tires and the
direction of wheel rotation is fixed in each tire.
A pin is on the front brake rotor to prevent the
rear wheels from being installed in place of the
front wheels. The spare tire can be installed in
place of the front and rear wheels. When install-
ing the spare tire in the front wheel, the hole in
the spare tire wheel must be aligned with the pin
on the brake rotor.
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