2005 NISSAN 350Z ECU

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 “NISSAN Service and
Maintenance 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, a
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 a 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 a
NISSAN dealer do it promptly. In addition, you
should notify a 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
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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 manual trans-
mission models, move the shift lever
to N(Neutral) position. For automatic
transmission models, move the se-
lector lever to P (Park).

Be sure the ignition key is in the OFF
or LOCK position when performing
any parts replacement or repairs.

Never connect or disconnect the bat-
tery or any transistorized component
while the ignition switch is in the ON
position.

Never leave the engine or automatic
transmission related component har-
nesses disconnected while the igni-tion switch is in the ONposition.

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 advisable to secure or remove
any loose clothing and remove any
jewelry, such as rings, watches, etc.
before working 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 the fuel tank and
battery.
On gasoline engine models with the
multiport fuel injection (MFI) system,
the fuel filter or fuel lines should be
serviced by a NISSAN dealer because
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 the engine off
and wait until it cools down.

Avoid contact with used engine oil
and coolant. Improperly disposed en-
gine oil, engine coolant and/or other
vehicle fluids can damage 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-
able. See “Owner’s Manual/Service Manual or-
MAINTENANCE PRECAUTIONS
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CHANGING ENGINE COOLANT
Major cooling system repairs should be per-
formed by a 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
1.
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
2. 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 fluid, 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 a NISSAN dealer.
2. Have the belts checked regularly for condi-
tion and tension.
REPLACING SPARK PLUGSIf replacement is required, see a 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.
SDI1389A
DRIVE BELTS SPARK PLUGS
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be followed.For additional information, see the
appropriate maintenance log shown in the
NISSAN Service and Maintenance Guide.BRAKE BOOSTERCheck the brake booster function as follows:
1. With the engine off, press and release the
brake pedal several times. When brake pedal
movement (distance of travel) remains the
same from one pedal application to the next,
continue on to the next step.
2. While depressing the brake pedal, start the
engine. The pedal height should drop a little.
3. With the brake pedal depressed, stop the
engine. Keeping the pedal depressed for
about 30 seconds, the pedal height should
not change.
4. Run the engine for one minute without de-
pressing the brake pedal, then turn it off.
Depress the brake pedal several times. The
pedal travel distance will decrease gradually
with each depression as the vacuum is re-
leased from the booster.
If the brakes do not operate properly, see a
NISSAN dealer.Some vehicles are equipped with engine com-
partment and passenger compartment fuse
boxes that use only type
A
fuses. Other ve-
hicles are equipped with typeA
fuses in the
engine compartment fuse box and type
Bfuses
in the passenger compartment fuse box.
Type
Afuses are provided as spare fuses. They
are stored in the passenger compartment fuse
box.
Type
A
fuses can be installed in the engine
compartment and passenger compartment fuse
boxes.If a type
A
fuse is used to replace a type
B
fuse, the type
A
fuse will not be level with the
fuse pocket as shown in the illustration. This will
not affect the performance of the fuse. Make
sure the fuse is installed in the fuse box securely.
Type
B
fuses cannot be installed in the under-
hood fuse boxes. Only use type
A
fuses in the
underhood fuse boxes.
SDI1751
SDI1752
FUSES
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