engine NISSAN MAXIMA 2008 A34 / 6.G Service Manual

WARNING
cDo not leave children or adults who
would normally require the assistance
of others alone in your vehicle. Pets
should also not be left alone. They
could accidentally injure themselves or
others 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.
cClosely supervise children when they
are around cars to prevent them from
playing and becoming locked in the
trunk where they could be seriously in-
jured. Keep the car locked, with the rear
seatback and trunk lid securely latched
when not in use, and prevent children’s
access to car keys.
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 trunk lid closed while driving,
otherwise exhaust gases could be
drawn into the passenger compart-
ment. If you must drive with the trunk lid
open, follow these precautions:
1. Open all the windows.
2. Set the
air recirculation but-
ton to off and the fan control dial to
high to circulate the air.
cIf electrical wiring or other cable con-
nections must pass to a trailer through
the seal on the trunk lid 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.
cDo not stop or park the vehicle over
flammable materials such as dry grass,
waste paper or rags. They may ignite
and cause a fire.
PRECAUTIONS WHEN STARTING
AND DRIVING
5-2Starting and driving
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CAUTION
cDo not use leaded gasoline. Deposits
from leaded gasoline will seriously re-
duce the three-way catalyst’s ability to
help reduce exhaust pollutants.
cKeep your engine tuned up. Malfunc-
tions in the ignition, fuel injection, or
electrical systems can cause overrich
fuel flow into the three-way catalyst,
causing it to overheat. Do not keep driv-
ing if the engine misfires, or if notice-
able loss of performance or other un-
usual operating conditions are
detected. Have the vehicle inspected
promptly by a NISSAN dealer.
cAvoid driving with an extremely low fuel
level. Running out of fuel could cause
the engine to misfire, damaging the
three-way catalyst.
cDo not race the engine while warming it
up.
cDo not push or tow your vehicle to start
the engine.
TIRE PRESSURE MONITORING
SYSTEM (TPMS)
Each tire, including the spare (if provided) ,
should be checked monthly when cold and in-
flated to the inflation pressure recommended by
the vehicle manufacturer on the vehicle placard
or tire inflation pressure label. (If your vehicle has
tires of a different size than the size indicated on
the vehicle placard or tire inflation pressure label,
you should determine the proper tire inflation
pressure for those tires.)
As an added safety feature, your vehicle has been
equipped with a tire pressure monitoring system
(TPMS) that illuminates a low tire pressure telltale
when one or more of your tires is significantly
under-inflated. Accordingly, when the low tire pres-
sure telltale illuminates, you should stop and check
your tires as soon as possible, and inflate them to
the proper pressure. Driving on a significantly
under-inflated tire causes the tire to overheat and
can lead to tire failure. Under-inflation also reduces
fuel efficiency and tire tread life, and may affect the
vehicle’s handling and stopping ability.
Please note that the TPMS is not a substitute for
proper tire maintenance, and it is the driver’s
responsibility to maintain correct tire pressure,
even if under-inflation has not reached the level to
trigger illumination of the TPMS low tire pressure
telltale.Your vehicle has also been equipped with a
TPMS malfunction indicator to indicate when the
system is not operating properly. The TPMS mal-
function indicator is combined with the low tire
pressure telltale. When the system detects a
malfunction, the telltale will flash for approxi-
mately one minute and then remain continuously
illuminated. This sequence will continue upon
subsequent vehicle start-ups as long as the mal-
function exists. When the malfunction indicator is
illuminated, the system may not be able to detect
or signal low tire pressure as intended. TPMS
malfunctions may occur for a variety of reasons,
including the installation of replacement or alter-
nate tires or wheels on the vehicle that prevent
the TPMS from functioning properly. Always
check the TPMS malfunction telltale after replac-
ing one or more tires or wheels on your vehicle to
ensure that the replacement or alternate tires and
wheels allow the TPMS to continue to function
properly.
Additional information:
cThe TPMS does not monitor the tire pres-
sure of the spare tire.
cThe TPMS will activate only when the vehicle
is driven at speeds above 16 MPH (25
km/h) . Also, this system may not detect a
sudden drop in tire pressure (for example a
flat tire while driving) .
Starting and driving5-3
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IGNITION SWITCH POSITIONS
Push in the ignition switch to thesBposition
when you turn it.
LOCK (Normal parking position)
sA:
The ignition switch can only be locked in the
LOCK position.
The ignition switch will be unlocked when it is
pushed in, and turned to the ACC position
sC
while carrying the Intelligent Key.
ACC (Accessories)
sC:
This position activates electrical accessories
such as the radio, when the engine is not running.
ON (Normal operating position)
sD:
This position turns on the ignition system and the
electrical accessories.
START
sE:
This position starts the engine. As soon as the
engine has started, release the knob immediately.
It will automatically return to the ON position.
The ignition switch cannot be turned back to the
LOCK position unless the selector lever is in the
P (Park) position. (It can be turned only to the
sB
position.)
CAUTION
Do not leave the vehicle with the ignition
switch in ACC or ON positions when the
engine is not running for an extended pe-
riod. This can discharge the battery.
NISSAN VEHICLE IMMOBILIZER
SYSTEM
The NISSAN Vehicle Immobilizer System will not
allow the engine to start without the use of the
registered key.
If the engine fails to start using a registered key
(for example, when interference is caused by
another registered key, an automated toll road
device or automatic payment device on the key
ring) , restart the engine using the following pro-
cedures:
1. Leave the ignition switch in the ON position
for approximately 5 seconds.
2. Turn the ignition switch to the OFF or LOCK
position, and wait approximately 10 sec-
onds.
3. Repeat steps 1 and 2.
4. Restart the engine while holding the device
(which may have caused the interference)
separate from the registered key.If the no start condition re-occurs, NISSAN rec-
ommends placing the registered key on a sepa-
rate key ring to avoid interference from other
devices.
Starting and driving5-7
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cMake sure the area around the vehicle is
clear.
cCheck fluid levels such as engine oil, cool-
ant, brake fluid, and window washer fluid as
frequently as possible, or at least whenever
you refuel.
cCheck that all windows and lights are clean.
cVisually inspect tires for their appearance
and condition. Also check tires for proper
inflation.
cLock all doors.
cPosition seat and adjust head restraints.
cAdjust inside and outside mirrors.
cFasten seat belts and ask all passengers to
do likewise.
cCheck the operation of warning lights when
the ignition switch is turned to the ON (3)
position. See “Warning/indicator lights and
audible reminders” in the “Instruments and
controls” section of this manual.1. Apply the parking brake.
2. Move the shift selector lever to P (Park) or N
(Neutral) . P (Park) is recommended.
The starter is designed not to operate if
the shift selector lever is in any of the
driving positions.
3. Crank the enginewith your foot off the
accelerator pedalby turning the ignition
switch to START. Release the switch when
the engine starts. If the engine starts, but
fails to run, repeat the above procedure.
cIf the engine is very hard to start in ex-
tremely cold weather or when restarting,
depress the accelerator pedal a little (ap-
proximately 1/3 to the floor) and hold it
and then crank the engine. Release the
switch and the accelerator pedal when
the engine starts.
cIf the engine is very hard to start because
it is flooded, depress the accelerator
pedal all the way to the floor and hold it.
Crank the engine for 5-6 seconds. After
cranking the engine, release the accel-
erator pedal. Crank the enginewith your
foot off the accelerator pedalby turn-
ing the ignition switch to START. Release
the switch when the engine starts. If theengine starts, but fails to run, repeat the
above procedure.
CAUTION
Do not operate the starter for more than
15 seconds at a time. If the engine does
not start, turn the key off and wait 10
seconds before cranking again, otherwise
the starter could be damaged.
4.Warm-up
Allow the engine to idle for at least 30 sec-
onds after starting. Do not race the engine
while warming it up. Drive at moderate
speed for a short distance first, especially in
cold weather.
In cold weather, keep the engine running for
a minimum of 2–3 minutes before shutting it
off. Starting and stopping the engine over a
short period of time may make the vehicle
more difficult to start.
BEFORE STARTING THE ENGINE STARTING THE ENGINE
5-8Starting and driving
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CONTINUOUSLY VARIABLE
TRANSMISSION (CVT)
WARNING
cDo not depress the accelerator pedal
while shifting from P (Park) or N (Neu-
tral) to R (Reverse) , D (Drive) or manual
shift mode. Always depress the brake
pedal until shifting is completed. Fail-
ure to do so could cause you to lose
control and have an accident.
cCold engine idle speed is high, so use
caution when shifting into a forward or
reverse gear before the engine has
warmed up.
cDo not downshift abruptly on slippery
roads. This may cause a loss of control.
cNever shift to P (Park) or R (Reverse)
while the vehicle is moving. This could
cause an accident.
CAUTION
When stopping the vehicle on an uphill
grade, do not hold the vehicle by depress-
ing the accelerator pedal. The foot brake
should be used for this purpose.The CVT in your vehicle is electronically con-
trolled to produce maximum power and smooth
operation.
The recommended operating procedures for this
transmission are shown on the following pages.
Follow these procedures for maximum vehicle
performance and driving enjoyment.
NOTE:
Engine power may be automatically re-
duced to protect the CVT if the engine
speed increases quickly when driving on
slippery roads or while being tested on
some dynamometers.
Starting the vehicle
1. After starting the engine, fully depress the
foot brake pedal before moving the shift
selector lever out of the P (Park) position.
2. Keep the foot brake pedal depressed and
move the shift selector lever into a driving
gear.
3. Release the foot brake, then gradually start
the vehicle in motion.
4. Stop the vehicle completely before shifting
the selector lever to the P (Park) position.The CVT is designed so the foot brake
pedal MUST be depressed before shifting
from P (Park) to any drive position while
the ignition switch is in the ON position.
The shift selector lever cannot be moved
out of P (Park) and into any of the other
gear positions if the ignition switch is
turned to the LOCK, OFF or ACC position.
DRIVING THE VEHICLE
Starting and driving5-9
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Shifting
After starting the engine, fully depress the brake
pedal and move the shift selector lever from P
(Park) to any of the desired shift positions.
WARNING
Apply the parking brake if the selector
lever is in any position while the engine is
not running. Failure to do so could cause
the vehicle to move unexpectedly or roll
away and result in serious personal injury
or property damage.
If the ignition switch is turned to OFF or ACC for
any reason while the vehicle is in R (Reverse) , N(Neutral) , or any drive position, the key cannot be
turned to LOCK and be removed from the ignition
switch. Additionally, the selector lever cannot be
moved to R (Reverse) from N (Neutral) or any
drive position for about 3 minutes after the igni-
tion switch is turned to the ACC or OFF position.
The selector lever can be moved from R (Re-
verse) to P (Park) with the key in the OFF or ACC
position. If this occurs, perform the following
steps:
1. Apply the parking brake when the vehicle is
stopped.
2. Turn the key to the ON position.
3. Depress the foot brake pedal.
4. Move the shift selector lever to P (Park) or N
(Neutral) to restart the vehicle (P is pre-
ferred) . Move the shift selector lever to P
(Park) to park the vehicle and turn the igni-
tion key to the LOCK position to remove the
key.
P (Park):
Use this selector position when the vehicle is
parked or when starting the engine. Make sure
the vehicle is completely stopped.The brake
pedal should be depressed to move the
selector lever from N (Neutral) or any drive
position to P (Park) .Apply the parking brake.When parking on a hill, apply the parking brake
first, then shift the selector lever into the P (Park)
position.
R (Reverse):
CAUTION
Use this position only when the vehicle is
completely stopped.
Use this position to back up. Make sure the
vehicle is completely stopped before selecting
the R (Reverse) position.The brake pedal
must be depressed to move the selector
lever from P (Park) , N (Neutral) or any drive
position to R (Reverse) .
N (Neutral):
Neither forward nor reverse gear is engaged. The
engine can be started in this position. You may
shift to N (Neutral) and restart a stalled engine
while the vehicle is moving.
D (Drive):
Use this position for all normal forward driving.
WSD0167
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Manual shift mode
When the selector lever is shifted from D to the
manual shift gate with the vehicle stopped or
while driving, the transmission enters the manual
shift mode. Shift ranges can be selected manu-
ally.
In the manual shift mode, the shift range is dis-
played on the position indicator in the meter.
Shift ranges up or down one by one as follows:
M1Ã!M2Ã!M3Ã!M4Ã!M5Ã!M6
M6 (6th):
Use this position for all normal forward driving.M5 (5th):
Use this position when driving up long slopes, or
for engine braking when driving down long
slopes.
M4 (4th) , M3 (3rd) and M2 (2nd):
Use for hill climbing or engine braking on downhill
grades.
M1 (1st):
Use this position when climbing steep hills slowly
or driving slowly through deep snow, sand or
mud, or for maximum engine braking on steep
downhill grades.
cRemember not to drive at high speeds for
extended periods of time in lower than M6
range. This reduces fuel economy.
When shifting up:
Move the selector lever to the + (up) side. (Shifts
to higher range.)
When shifting down:
Move the selector lever to the2(down) side.
(Shifts to lower range.)
c
Moving the selector lever to the same side
twice will shift the ranges in succession. How-
ever, if this motion is rapidly done, the second
shifting may not be completed properly.
When canceling the manual shift mode:
Return the selector lever to the D (Drive) position
to return the transmission to the normal driving
mode.
cIn the manual shift mode, the transmis-
sion may not shift to the selected gear.
This helps maintain driving perfor-
mance and reduces the chance of ve-
hicle damage or loss of control.
c
In the manual shift mode, the transmis-
sion may shift up automatically to a
higher range than selected if the engine
speed is too high. When the vehicle
speed decreases, the transmission auto-
matically shifts down. The transmission
shifts to M1 (1st) gear before the vehicle
comes to a complete stop. When accel-
erating again, it is necessary to shift up
to the desired range.
cWhen the CVT fluid temperature is ex-
tremely low, the manual shift mode may not
work and automatically shift as a drive mode.
This is not a malfunction. In this case, return
the selector lever to D (Drive) and drive for a
while and then shift to the manual shift mode.
cWhen the CVT fluid temperature is high, the
shift range may upshift in lower rpm than
usual. This is not a malfunction.
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Shift lock release
If the battery is discharged, the shift selector lever
may not be moved from the P (Park) position even
with the brake pedal depressed.
To move the shift selector lever, release the shift
lock. The shift selector lever can be moved to N
(Neutral) . However, the steering wheel will be
locked unless the ignition switch is turned to the
ON position. This allows the vehicle to be moved
if the battery is discharged.
To push the shift lock release, complete the fol-
lowing procedure:1. Turn the ignition key to the LOCK position
and remove the key
2. Apply the parking brake.
3. Remove the shift lock release cover as
shown.
4. Insert a small screwdriver in the shift lock
release slot and push down.
5. Move the shift selector lever to the N (Neu-
tral) position while holding down the shift
lock release.
6. Turn the key to the ON position to unlock the
steering wheel. Now the vehicle may be
moved to the desired location.
If the shift selector lever cannot be moved out of
P (Park) , have a NISSAN dealer check the trans-
mission as soon as possible.
WARNING
If the selector lever cannot be moved from
the P (Park) position while the engine is
running and the brake pedal is depressed,
the stop lights may not work. Malfunction-
ing stop lights could cause an accident
injuring yourself and others.
Accelerator downshift
— in D (Drive) position and manual
shift mode —
For passing or hill climbing, depress the accel-
erator pedal to the floor. This shifts the transmis-
sion down into lower range, depending on the
vehicle speed.
High fluid temperature protection
mode
This transmission has a high fluid temperature
protection mode. If the fluid temperature be-
comes too high (for example, when climbing
steep grades in high temperature with heavy
loads, such as when towing a trailer) , engine
power and, under some conditions, vehicle
speed will be decreased automatically to reduce
the chance of transmission damage. Vehicle
speed can be controlled with the accelerator
pedal, but the engine and vehicle speed may be
limited.
Fail-safe
If the vehicle is driven under extreme con-
ditions, such as excessive wheel spinning
and subsequent hard braking, the fail-safe
system may be activated. The MIL may
come on to indicate the fail-safe mode is
activated, see “Malfunction indicator light
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cthe vehicle slows down more than 8 MPH
(13 km/h) below the set speed.
cyou move the shift selector lever to N (Neu-
tral) .
To reset at a faster cruising speed,use one
of the following three methods.
cDepress the accelerator pedal. When the
vehicle attains the desired speed, push and
release the COAST/SET switch.
cPush and hold the ACCEL/RES switch.
When the vehicle attains the speed you de-
sire, release the switch.
cPush and release the ACCEL/RES switch.
Each time you do this, the set speed in-
creases by about 1 MPH (1.6 km/h) .
To reset at a slower cruising speed,use one
of the following three methods.
cLightly tap the brake pedal. When the ve-
hicle attains the desired speed, push the
COAST/SET switch and release it.
cPush and hold the COAST/SET switch. Re-
lease the switch when the vehicle slows to
the desired speed.
cPush and release the COAST/SET switch.
Each time you do this, the set speed de-
creases by about 1 MPH (1.6 km/h) .To resume the preset speed,push and re-
lease the ACCEL/RES switch. The vehicle re-
turns to the last set cruising speed when the
vehicle speed is over 25 MPH (40 km/h) .CAUTION
During the first 1,200 miles (2,000 km) ,
follow these recommendations to obtain
maximum engine performance and en-
sure the future reliability and economy of
your new vehicle. Failure to follow these
recommendations may result in short-
ened engine life and reduced engine
performance.
cAvoid driving for long periods at constant
speed, either fast or slow, and do not run the
engine over 4,000 rpm.
cDo not accelerate at full throttle in any gear.
cAvoid quick starts.
cAvoid hard braking as much as possible.
cDo not tow a trailer for the first 500 miles
(800 km) . Your engine, axle or other parts
could be damaged.
BREAK-IN SCHEDULE
Starting and driving5-15
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cAccelerate slowly and smoothly. Maintain
cruising speeds with a constant accelerator
position.
cDrive at moderate speeds on the highway.
Driving at high speed lowers fuel economy.
cAvoid unnecessary stopping and braking.
Maintain a safe distance behind other ve-
hicles.
cUse a proper gear range which suits road
conditions. On level roads, shift into high
gear as soon as possible.
cAvoid unnecessary engine idling.
cKeep your engine tuned up.
cFollow the recommended periodic mainte-
nance schedule.
cKeep the tires inflated to the correct pres-
sure. Low tire pressure increases tire wear
and lowers fuel economy.
cKeep the wheels in correct alignment. Im-
proper alignment increases tire wear and
lowers fuel economy.
cAir conditioner operation lowers fuel
economy. Use the air conditioner only when
necessary.cWhen cruising at highway speeds, it is more
economical to use the air conditioner and
leave the windows closed to reduce drag.
cUse the recommended viscosity engine oil.
See “Engine oil and oil filter recommenda-
tion” in “Technical and consumer informa-
tion” later in this manual.
INCREASING FUEL ECONOMY
5-16Starting and driving
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