engine NISSAN PATHFINDER 1999 R50 / 2.G Service Manual

be obtained. Never drive the vehicle if the stop
lights are not operating properly.
R (Reverse):
Use this position to back up. Shift into this
position only after the vehicle has completely
stopped.
N (Neutral):
Neither forward nor reverse gear is engaged.
The engine can be started in this position. You
may shift to N and restart a stalled engine
while the vehicle is moving.
D (Drive):
Use this position for all normal forward driving.
2 (Second gear):
Use for hill climbing, effective engine braking
on downhill grades or starting on slippery
roads.
Do not downshift into the 2 position at speeds
over the following speeds and do not exceed
the following speeds in the 2 position:Two wheel drive:
60 MPH (95 km/h)
Four wheel drive:
50 MPH (80 km/h)
1 (Low gear):
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.
Do not shift into 1 position at speeds over the
following speeds:
Two wheel drive:
60 MPH (95 km/h)
Four wheel drive:
50 MPH (80 km/h)
Do not exceed the following speeds in the 1
position:
Two wheel drive:
30 MPH (50 km/h)
Four wheel drive:
30 MPH (50 km/h)
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Shift lock releaseIf the battery charge is low, the select lever
may not be moved from the P position even
with the brake pedal depressed and the select
lever button pushed.
To move the select lever, push the shift lock
release button and select lever button while
the ignition key is in the ACC position. The
select lever can be moved to N (Neutral).
To push the shift lock release button, follow the
procedure as illustrated.
If there is any problem moving the lever out of
P (Park) have your NISSAN dealer check the
automatic transmission system as soon as
possible.If the selector lever cannot be moved
from the P position while the engine is
running and the brake pedal is de-
pressed, the stop lights may not work.
Malfunctioning stop lights could cause
an accident injuring yourself and others.
Accelerator downshift
Ð In D position ÐFor rapid passing or hill climbing, fully depress
the accelerator pedal to the floor. This shifts
the transmission down into second gear or first
gear, depending on the vehicle speed.
Overdrive switchEach time your vehicle is started, the transmis-
sion is automatically reset to overdrive on.
ON: For normal driving the overdrive
switch is engaged. The transmission
is upshifted into overdrive as the ve-
hicle speed increases.
The overdrive does not engage until the
engine has warmed up.
OFF: For driving up and down long slopes
where engine braking would be ad-
vantageous, push the overdrive
switch. The O/D OFF light illuminates.
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When cruising at a low speed or
climbing a gentle slope, you may feel
uncomfortable shift shocks as the
transmission shifts between 3rd and
overdrive repeatedly. In this case,
press the overdrive switch. The O/D
OFF indicator light comes on at this
time.
When driving conditions change, press the
overdrive switch again. The O/D OFF indicator
light goes out.
Remember not to drive at high speeds for
extended periods of time with the O/D OFF
light illuminated. This reduces the fuel
economy.
Fail-safeWhen the Fail-safe operation occurs, the next
time the key is turned to the ON position, the
O/D OFF light will blink for approximately 8
seconds after coming on for 2 seconds. While
the vehicle can be driven under these circum-
stances please note that the gears in the
automatic transmission will be locked in third
gear.
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. This will occureven if all electrical circuits are functioning
properly. In this case, turn the ignition key
OFF and wait for 3 seconds. Then turn the
key back to the ON position. The vehicle
should return to its normal operating con-
dition. If it does not return to its normal
operating condition have your NISSAN
dealer check the transmission and repair if
necessary.
MANUAL TRANSMISSION
ShiftingIDo not downshift abruptly on slippery
roads. This may cause a loss of con-
trol.
IDo not over-rev the engine when
shifting to a lower gear. This may
cause a loss of control or engine
damage.
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To change gears, fully depress the clutch
pedal, then move the gearshift lever. After
shifting, release the clutch slowly.
You cannot shift directly from 5th gear into
Reverse. First shift into the Neutral position,
then into Reverse.
If it is difficult to move the shift lever into
Reverse or 1st, shift into Neutral, then release
the clutch pedal and shift into Reverse or 1st
again. If your vehicle is equipped with four
wheel drive, see ªUsing four wheel driveº later
in this section.Suggested shift-up speedsThe table below provides suggested speed
ranges for shifting into a higher gear. These
suggestions relate to fuel economy and ve-
hicle performance. Actual shift ranges should
be adjusted for specific road conditions,
weather conditions and individual driving hab-
its.
ITwo wheel drive models and four wheel
drive models (2H and 4H position)
MPH (km/h)
1st to 2nd 15 (24)
2nd to 3rd 25 (40)
3rd to 4th 40 (64)
4th to 5th 45 (72)*1 Acceleration:
Normal acceleration such as
standing start
*2 Cruise:
Driving without rapid acceleration
or deceleration at moderate speed
which permits maximum fuel
economy
IFour wheel drive model (4L position)
MPH (km/h)
1st to 2nd 8 (13)
2nd to 3rd 12 (20)
3rd to 4th 20 (32)
4th to 5th 22 (36)
Suggested maximum speed in each
gearDownshift to a lower gear if the engine is not
running smoothly, or if you need to accelerate.
Do not exceed the maximum suggested speed
(shown below) in any gear. For level road
driving, use the highest gear suggested for
that speed. Always observe posted speed
limits, and drive according to the road condi-
tions which will ensure safe operation. Do not
overrev the engine when shifting to a lower
gear as it may cause engine damage or loss of
vehicle control.Allowable maximum speed in each gear
Two wheel drive models MPH (km/h)
2H position
1st 22 (36)
2nd 37 (60)
3rd 56 (90)
4th & 5th 78 (125)
Four wheel drive models MPH (km/h)
4H position
1st 22 (36)
2nd 37 (60)
3rd 50 (80)
4th & 5th 50 (80)
4L position
1st 9 (15)
2nd 19 (30)
3rd 28 (45)
4th & 5th 31 (50)
IDo not rest your foot on the clutch
pedal while driving. This may cause
clutch damage.
IStop your vehicle completely before
shifting into R (Reverse).
IWhen the vehicle is stopped for a
duration, for example at a stop light,
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PRECAUTIONS ON CRUISE
CONTROLIIf the cruise control system malfunctions, it
cancels automatically. The cruise indicator
light in the instrument panel then blinks to
warn the driver.
IIf the cruise indicator light blinks, turn the
cruise control main switch off and have the
system checked by your NISSAN dealer.
IThe cruise indicator light may blink when
the cruise control main switch is turned on
while pushing the RES/ACCEL, COAST/
SET, or CANCEL switch (located on the
steering wheel). To properly set the cruise
control system, perform the preceding
steps in the order indicated.Do not use the cruise control when driv-
ing under the following conditions:
Iwhen it is not possible to keep the
vehicle at set speed.
Iin heavy traffic or in traffic that varies
in speed.
Ion winding or hilly roads.Ion slippery roads (rain, snow, ice,
etc.)
Iin very windy areas.
Doing so could cause a loss of vehicle
control and result in an accident.
On manual transmission models, do not
shift into N (Neutral) without depressing
the clutch pedal when the cruise control
is on. This could cause engine damage.
If this happens, depress the clutch pedal
and turn the main switch off immedi-
ately.
CRUISE CONTROL (if so
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ACCEL set switch. Each time you do this,
the set speed will increase by about 1 MPH
(1.6 km/h).
To reset at a slower cruising speed,follow
either of these three methods:
a) Lightly tap the brake pedal. When the ve-
hicle attains the desired speed, push the
COAST/SET switch and release it.
b) Push and hold the COAST/SET switch.
Release the switch when the vehicle slows
down to the desired speed.
c) Push, then quickly release the COAST/
SET switch. Each time you do this, the set
speed will decrease by about 1 MPH (1.6
km/h).
To resume the preset speed,push and re-
lease the resume set switch. The vehicle will
resume the last set cruising speed when the
vehicle speed is over 30 MPH (48 km/h).
PrecautionsIThe cruise indicator may sometimes blink
when the cruise control switch (Main
switch) is turned ON while pushing the
RES/ACCEL switch or COAST/SET switch
or CANCEL switch (located on the steering
wheel). To properly set the cruise control
system perform the steps above in theorder indicated. (This is a fail-safe mode.
Turn the main switch OFF and turn it ON
again without pushing the set switch to
return to normal operation.)
IIf the cruise control system malfunctions, it
will cancel automatically. The cruise indica-
tor in the meter assembly will then blink to
warn the driver.
IWhen the cruise indicator blinks, turn the
cruise control switch (Main switch) OFF and
have the system checked by your NISSAN
dealer.During the first 1,000 miles (1,600 km), follow
these recommendations for the future reliabil-
ity and economy of your new vehicle. Failure to
follow these recommendations may result in
vehicle damage or shortened engine life.
IDo not run the engine over 4,000 rpm.
Do not drive over the following speed limits:
Two wheel drive models:
Four wheel drive models
(2H position):
55 MPH (90 km/h)
Four wheel drive models
(4H position):
50 MPH (80 km/h)
Four wheel drive models
(4L position):
30 MPH (50 km/h)
IDo not accelerate hard in top gear.
IAvoid quick starts and full acceleration.
IAvoid hard stops as much as possible.
I
For the first 300 miles (500 km), it is rec-
ommended that you drive in the two wheel
drive (2H) position.
IDo not tow a trailer for the first 500 miles
(800 km).
BREAK-IN SCHEDULE
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IAccelerate slowly and smoothly. Maintain
cruising speeds with a constant accelerator
position.
IDrive at moderate speeds on the highway.
Driving at high speed will lower fuel
economy.
IAvoid unnecessary stopping and braking.
Maintain a safe distance behind other ve-
hicles.
IUse a proper gear range which suits road
conditions. On level roads, shift into high
gear as soon as possible.
IAvoid unnecessary engine idling.IKeep your engine tuned up.
IFollow the recommended periodic mainte-
nance schedule.
IKeep the tires inflated at the correct pres-
sure. Low pressure will increase tire wear
and waste fuel.
IKeep the front wheels in correct alignment.
Improper alignment will cause increased
tire wear and lower fuel economy.
IAir conditioner operation lowers fuel
economy. Use the air conditioner only when
necessary.
IWhen cruising at highway speeds, it is
more economical to use the air conditioner
and leave the windows closed to reduce
drag.
I
Use 4H or 4L position only when neces-
sary. Four wheel drive operation lowers fuel
economy.2HÐ (2WD, high range) Only the rear wheels
are driven. Use when driving under the same
conditions as standard 2WD vehicle.
4HÐ (4WD, high range) Four wheels are
driven. Use when driving on roads where it is
difficult to drive in the 2H position (i.e., driving
at normal speeds on snow covered, icy, wet,
muddy or sandy roads).
The 4H position provides maximum power
and traction. Avoid excessive speed, as it
will cause loss of traction. Speed over 50
MPH (80 km/h) in 4H is not recommend.
4LÐ (4WD, low range) Four wheels are
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INCREASING FUEL ECONOMY
USING FOUR WHEEL DRIVE
(4WD)
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IDo not park the vehicle over flam-
mable materials, such as dry grass,
waste paper, or rags. They may ignite
and cause a fire.
I
The transfer shift lever must
be in the 2H, 4H or 4L position and the
parking brake must be set to prevent
the vehicle from rolling.
INever place the transfer shift lever in
the N position, otherwise, the vehicle
could roll unexpectedly even if the
manual transmission is in gear or the
automatic transmission is in the P
position. This could result in serious
personal injury or property damage.
INever leave the engine running while
vehicle is unattended.
INever leave children unattended in
the vehicle.
1. Firmly apply the parking brake.2.Manual transmission models:
Place the shift lever in the R (Reverse)
position. When parking on an uphill grade,
place the gearshift lever in the 1st position.
Automatic transmission models:
Move the selector lever to the P (Park)
position.
ISafe parking procedures require that
both the parking brake be set and the
transmission placed into the P (Park)
for automatic transmission models or
in an appropriate gear for manual
transmission models. Failure to do so
could cause the vehicle to move un-
expectedly or roll away and result in
an accident.
IMake sure the automatic transmis-
sion selector lever has been pushed
as far forward as it can go and cannot
be moved without depressing the
button at the end of the lever.
IIf the ATP lamp is ON, this indicates
that the automatic transmission P
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(park) position will not function and
the transfer shift lever is in the N
position. Failure to engage the trans-
fer shift lever in H or 4L could result
in the vehicle moving unexpectedly,
resulting in serious personal injury or
property damage.
3. To help prevent the vehicle rolling into the
street when parked on a sloping drive way,
it is a good practice to turn the wheels as
illustrated.
IHEADED DOWNHILL WITH CURB:
q1
Turn the wheels into the curb and move the
vehicle forward until the curb side wheel
gently touches the curb.
IHEADED UPHILL WITH CURB:
q2
Turn the wheels away from the curb and
move the vehicle back until the curb side
wheel gently touches the curb.
IHEADED UPHILL OR DOWNHILL, NO
CURB:
q3
Turn the wheels toward the side of the road
so the vehicle will move away from the
center of the road if it moves.4. Turn the ignition key to the LOCK position
and remove the key.The power assisted steering is designed to
use a hydraulic pump, driven by the engine, to
assist steering.
If the engine stops or drive belt breaks, you will
still have control of the vehicle. However,
much greater steering effort is needed, espe-
cially in sharp turns or at low speeds.
If the engine is not running or is turned
off while driving, the power assist for the
steering will not work. Steering will be
much harder to operate.POWER STEERING
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BRAKING PRECAUTIONSThe brake system has two separate hydraulic
circuits. If one circuit develops a problem, you
will still have braking at two wheels.Vacuum assisted brakeThe brake booster aids braking by using en-
gine vacuum. If the engine stops, you can stop
the vehicle by depressing the brake pedal.
However, greater foot pressure on the brake
pedal will be required to stop the vehicle and
the stopping distance will be longer.Using the brakesAvoid resting your foot on the brake pedal
while driving. This will overheat the brakes,
wear out the brake linings and pads faster and
reduce gas mileage.
To help save the brakes and to prevent the
brakes from overheating, before going down a
slope or long grade, reduce speed and down-
shift to a lower gear.Wet brakesWhen the vehicle is washed or driven through
water, the brakes may get wet. As a result,
your braking distance will be longer and the
vehicle may pull to one side during braking.To dry brakes, drive the vehicle at a safe
speed while lightly pressing the brake pedal to
heat-up the brakes. Do this until the brakes
return to normal. Avoid driving the vehicle at
high speeds until the brakes function correctly.
IWhile driving on a slippery surface,
be careful when braking, accelerating
or downshifting. Abrupt braking or
accelerating could cause the wheels
to skid and result in an accident.
IIf the engine is not running or is
turned off while driving, the power
assist for the brakes will not work.
Braking will be harder.ANTI-LOCK BRAKE SYSTEM (ABS)The anti-lock brake system controls the brakes
at each wheel so the wheels will not lock when
braking abruptly or when braking on slippery
surfaces. The system detects the rotation
speed at each wheel and varies the brake fluid
pressure to prevent each wheel from locking
and sliding. By preventing wheel lockup, the
system helps the driver maintain steering con-
trol and helps to minimize swerving and spin-ning on slippery surfaces.
Using the systemDepress the brake pedal and hold it down.Do not pump the brake pedal. Doing so
may result in increased stopping
distances.Normal operationThe anti-lock brake system will not operate at
speeds below 3 to 6 MPH (5 to 10 km/h) to
completely stop the vehicle. (The speeds will
vary according to road conditions.) When the
anti-lock system senses that one or more
wheels are close to locking up, the actuator
(under the hood) rapidly applies and releases
hydraulic pressure (like pumping the brakes
very quickly). While the actuator is working,
you may feel a pulsation in the brake pedal
and hear a noise or vibration from the actuator
under the hood. This is normal and indicates
that the anti-lock system is working properly.
However, the pulsation may indicate that road
conditions are hazardous and extra care is
required while driving.
BRAKE SYSTEM
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