2018 NISSAN FRONTIER check engine

Shif t lock release
If the battery is discharged, the shif t lever
may not be moved from the P (Park) posi-
tion even with the brake pedal depressed.
To move the shif t lever, release the shif t
lock. The shif t lever can be moved to N
(Neutral). However, the steering wheel will
be locked unless the ignition switch is
placed in the ON position (for models with a
steering lock mechanism). This allows the
vehicle to be moved if the battery is dis-
charged.To push the shif t lock release, complete the
following procedure:
1. Place the ignition switch in the LOCK position and remove the key.
2. Apply the parking brake.
3. Remove the shif t lock release cover as shown.
4. Use a protective cloth on the tip of a small screwdriver before inserting it in
the shif t lock release slot and pushing
down.
5. Move the shif t lever to the N (Neutral) position while holding down the shif t
lock release.
6. Place the ignition switch in the ON po- sition to unlock the steering wheel (for
models with a steering lock mecha-
nism).
7. Now the vehicle may be moved to the desired location.
If the shif t lever cannot be moved out of P
(Park), have the automatic transmission
system checked as soon as possible. It is
recommended that you visit a NISSAN
dealer for this service.
WARNING
If the shif t lever cannot be moved from
the P (Park) 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 downshif t
— in D (Drive) position —
For passing or hill climbing, depress the
accelerator pedal to the floor. This shif ts
the transmission down into a lower gear,
depending on the vehicle speed.
LSD0141
Starting and driving5-17

PRECAUTIONS ON CRUISE
CONTROL
1. ACCEL•RES switch
2. COAST•SET switch
3. CANCEL switch
4. ON•OFF switch∙ If the cruise control system malfunc- tions, it cancels automatically. The SET
indicator light in the instrument panel
then blinks to warn the driver. ∙ If the SET indicator light blinks, turn the
ON•OFF switch off and have the system
checked. It is recommended that you
visit a NISSAN dealer for this service.
∙ The SET indicator light may blink when the ON•OFF switch is turned on while
pushing the ACCEL•RES, COAST•SET, or
CANCEL switch (located on the steering
wheel). To properly set the cruise con-
trol system, use the following proce-
dures.
WARNING
Do not use the cruise control when driv-
ing under the following conditions:
∙ When it is not possible to keep thevehicle at a set speed.
∙ In heavy traffic or in traffic that varies in speed.
∙ On winding or hilly roads.
∙ On slippery roads (rain, snow, ice, etc.).
∙ In very windy areas.
Doing so could cause a loss of vehicle
control and result in an accident.
CAUTION
On manual transmission models, do not
shif t into N (Neutral) without depress-
ing the clutch pedal when the cruise
control is set. Should this occur, depress
the clutch pedal and turn the ON•OFF
switch off immediately. Failure to do so
may cause engine damage.
CRUISE CONTROL OPERATIONS
The cruise control allows driving at a speed
between 25 - 89 mph (40 - 144 km/h) with-
out keeping your foot on the accelerator
pedal.
To turn on the cruise control, push the
ON•OFF switch. The CRUISE indicator light
in the instrument panel comes on.
To set cruising speed, accelerate the ve-
hicle to the desired speed, push the COAST-
•SET switch and release it. The SET indica-
tor light in the instrument panel comes on.
Take your foot off the accelerator pedal.
Your vehicle maintains the set speed.
∙ To pass another vehicle, depress the
accelerator pedal. When you release the
pedal, the vehicle returns to the previ-
ously set speed.
LSD2753
CRUISE CONTROL
5-22Starting and driving

WARNING
∙ For 4WD equipped vehicles, do not at-tempt to raise two wheels off the
ground and shif t the transmission to
any drive or reverse position with the
engine running. Doing so may result
in drivetrain damage or unexpected
vehicle movement which could result
in serious vehicle damage or personal
injury.
∙ Do not attempt to test a 4WD equipped vehicle on a 2-wheel dyna-
mometer (such as the dynamometers
used by some states for emissions
testing), or similar equipment even if
the other two wheels are raised off the
ground. Make sure you inform test fa-
cility personnel that your vehicle is
equipped with 4WD before it is placed
on a dynamometer. Using the wrong
test equipment may result in drive-
train damage or unexpected vehicle
movement which could result in seri-
ous vehicle damage or personal
injury.
CAUTION
∙ Do not drive the vehicle in the 4H or4LO position on dry hard surface
roads. Driving on dry, hard surfaces in
4H or 4LO may cause unnecessary
noise, tire wear and increased fuel
consumption.
If the 4WD warning light turns on
when you are driving on dry hard sur-
face roads:
– In the 4H position, shif t the 4WD shif t switch to 2WD.
– In the 4LO position for automatic transmission vehicles, stop the ve-
hicle and shif t the shif t lever to the
N (Neutral) position with the brake
pedal depressed and shif t the 4WD
shif t switch to 2WD.
– In the 4LO position for manual transmission vehicles, stop the ve-
hicle and shif t the shif t lever to the
N (Neutral) position with the clutch
pedal depressed and shif t the 4WD
shif t switch to 2WD. ∙ If the warning light is still on af ter the
above operation, have your vehicle
checked as soon as possible. It is rec-
ommended that you visit a NISSAN
dealer for this service.
TRANSFER CASE SHIFTING
PROCEDURES
The part-time 4WD system provides three
positions (2WD, 4H and 4LO), so you can
select the desired drive mode according to
the driving conditions.
USING 4–WHEEL DRIVE (4WD)
(if so equipped)
5-26Starting and driving

1. Turn off the engine by turning the ignition switch off.
2. Start the engine.
- Check that the 4WD warning light turns off. If the 4WD warning light illuminates, have the system checked. It is recommended that youvisit a NISSAN dealer for this service.
3. Apply the parking brake, for A/T vehicles, depress the brake pedal and move the shif t lever to N (Neutral) position. For M/T vehicles, move the shif t lever to the N (Neutral) position.
4. With the brake pedal depressed on A/T vehicles or with the clutch pedal depressed on M/T vehicles, move the 4WD shif t switch to the desired mode.
- Be sure to wait until the transfer gear change completes before shif ting the shif t lever from the N (Neutral) position.
*2: While changing in and out of 4LO, the ignition key must be on and the vehicle’s engine must be running for a shif t to take place and for the indicator lights (4WD shif t and 4LO position indicator) to be operable. Otherwise, the shif t will not take place and no indicator lights
will be on or flashing.
*3: Make sure the transfer 4LO position indicator light turns on when you shif t the 4WD shif t switch to 4LO. The
indicator light will also
turn on when 4LO is selected. For additional information, refer to “Vehicle Dynamic Control (VDC) system” in this section.
5-28Starting and driving

4WD shif t indicator light
The 4WD shif t indicator light is located in
the odometer display.
The light should turn off within 1 second
af ter placing the ignition switch in the ON
position.
While the engine is running, the 4WD shif t
indicator light will illuminate the position
selected by the 4WD shif t switch.∙
The 4WD shif t indicator light may
blink while shif ting from one drive
mode to the other. When the shif ting
is completed, the 4WD shif t indicator
light will come on.
∙ If the 4WD warning light comes on, the 4WD shif t indicator light goes out.
CAUTION
If the 4WD shif t indicator light indica-
tion changes to 2WD when the 4WD
shif t switch is shif ted to the 4H position
at low ambient temperatures, the 2WD
mode may be being engaged due to
malfunctioning drive system. If the in-
dicator does not return to normal and
the 4WD warning light comes on, have
the system checked. It is recommended
that you visit a NISSAN dealer for this
service.
4WD warning light
Warning light Comes on or
blinks when:
Comes on There is a mal-
function in the 4–wheel drive system
Blinks
slowly The difference
in wheel rota- tion is large
The 4WD warning light is located in the me-
ter.
The 4WD warning light comes on when the
ignition switch is placed in the ON position.
It turns off soon af ter the engine is started.
If any malfunction occurs in the 4WD sys-
tem when the ignition switch is ON, the
warning light will either remain illuminated
or blink.
If the 4WD warning light comes on, the 4WD
shif t indicator light goes out.
LSD0147
Starting and driving5-31

Using the system
Depress the brake pedal and hold it down.
Depress the brake pedal with firm steady
pressure, but do not pump the brakes. The
Anti-lock Braking System will operate to
prevent the wheels from locking up. Steer
the vehicle to avoid obstacles.
WARNING
Do not pump the brake pedal. Doing so
may result in increased stopping
distances.
Self-test feature
The Anti-lock Braking System (ABS) in-
cludes electronic sensors, electric pumps,
hydraulic solenoids and a computer. The
computer has a built-in diagnostic feature
that tests the system each time you start
the engine and move the vehicle at a low
speed in forward or reverse. When the self-
test occurs, you may hear a “clunk” noise
and/or feel a pulsation in the brake pedal.
This is normal and does not indicate a mal-
function. If the computer senses a mal-
function, it switches the ABS off and illumi-
nates the ABS warning light on theinstrument panel. The brake system then
operates normally but without anti-lock
assistance.
If the ABS warning light illuminates during
the self-test or while driving, have the ve-
hicle checked. It is recommended that you
visit a NISSAN dealer for this service.
Normal operation
The Anti-lock Braking System (ABS) oper-
ates at speeds abov
e3-6mph(5-
10 km/h). The speed varies according to
road conditions.
When the ABS senses that one or more
wheels are close to locking up, the actuator
rapidly applies and releases hydraulic pres-
sure. This action is similar to pumping the
brakes very quickly. You may feel a pulsa-
tion in the brake pedal and hear a noise
from under the hood or feel a vibration
from the actuator when it is operating. This
is normal and indicates that the ABS is op-
erating properly. However, the pulsation
may indicate that road conditions are haz-
ardous and extra care is required while
driving. ∙ The ABLS system uses automatic brak-
ing to transfer power from a slipping
drive wheel to the wheel on the same
axle with more traction. The ABLS sys-
tem applies braking to the slipping
wheel, which helps redirect power to
the other wheel.
∙ On 4WD models the ABLS system oper- ates in both 4H and 4LO modes. If 4WD
mode is engaged, the ABLS system op-
erates for both drive axles. On 2WD ve-
hicles, the ABLS system operates on the
drive axle only.
∙ The ABLS system is always ON. In some conditions, the system may automati-
cally turn the ABLS system off. If the sys-
tem is automatically turned off, normal
brake function will continue. ABLS will
function even when the VDC system is
turned OFF.
∙ The ABLS does not operate if both wheels on a drive axle are slipping.
ACTIVE BRAKE LIMITED SLIP (ABLS)
SYSTEM
Starting and driving5-37

∙ The system is designed as an aid tothe driver in detecting large station-
ary objects to help avoid damaging
the vehicle. The system will not detect
small objects below the bumper, and
may not detect objects close to the
bumper or on the ground.
∙ If your vehicle sustains damage to the rear bumper fascia, leaving it mis-
aligned or bent, the sensing zone may
be altered causing inaccurate mea-
surement of obstacles or false alarms.
The RSS sounds a tone to warn the driver of
obstacles near the rear bumper when the
shif t lever is in R (Reverse). The system may
not detect objects at speeds above 3 mph
(5 km/h) and may not detect certain angu-
lar or moving objects.
The RSS detects obstacles up to 5.9 f t
(1.8 m) from the rear bumper with a de-
creased coverage area at the outer cor-
ners of the bumper (refer to the illustration
for approximate zone coverage areas). As
you move closer to the obstacle, the rate of
the tone increases. When the obstacle is
less than 10 in (25.0 cm) away, the tone will
sound continuously. If the RSS detects a
stationary or receding object further than
10 in (25.0 cm) from the side of the vehicle, the tone will sound for only 3 seconds.
Once the system detects an object ap-
proaching, the tone will sound again.
The RSS automatically turns on when the
shif t lever is placed in R (Reverse) and the
ignition is ON. The RSS OFF switch on the
instrument panel allows the driver to turn
the RSS on and off. To turn the RSS off, the
ignition must be ON, and the shif t lever in R
(Reverse). An indicator light on the switch
will illuminate when the system is turned
off. If the indicator light illuminates when
the RSS is not turned off, it may indicate a
malfunction in the RSS.
Keep the RSS sensors (located on the rear
bumper fascia) free from snow, ice and
large accumulations of dirt (do not clean
the sensors with sharp objects). If the sen-
sors are covered, it will affect the accuracy
of the RSS.FREEING A FROZEN DOOR LOCK
To prevent a door lock from freezing, apply
de-icer through the key hole. If the lock
becomes frozen, heat the key before in-
serting it into the key hole or use the re-
mote keyless entry key fob (if so equipped).
ANTIFREEZE
In the winter when it is anticipated that the
temperature will drop below 32°F (0°C),
check the antifreeze to assure proper win-
ter protection. For additional information,
refer to “Engine cooling system” in the “Do-
it-yourself ” section of this manual.
BATTERY
If 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, refer to “Battery”
in the “Do-it-yourself ” section of this
manual.
COLD WEATHER DRIVING
Starting and driving5-43

DRAINING OF COOLANT WATER
If the vehicle is to be lef t outside without
anti-freeze, drain the cooling system, in-
cluding the engine block. Refill before oper-
ating the vehicle. For additional informa-
tion, refer to “Changing engine coolant” in
the “Do-it-yourself ” section of this manual.
TIRE EQUIPMENT
1. SUMMER tires have a tread designed toprovide superior performance on dry
pavement. However, the performance
of these tires will be substantially re-
duced 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. It is recommended
that you visit a 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 U.S. states and Canadian prov-
inces prohibit their use. Check local,
state and provincial laws before install-
ing 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. For additional information, refer to “Tire chains” in the
“Do-it-yourself ” section of this manual.
SPECIAL WINTER EQUIPMENT
It is recommended that the following items
be carried in the vehicle during winter:
∙ A scraper and stiff-bristled brush to re- move ice and snow from the windows
and wiper blades.
∙ A sturdy, flat board to be placed under the jack to give it firm support.
∙ A shovel to dig the vehicle out of snow- drif ts.
∙ Extra washer fluid to refill the windshield-washer fluid reservoir.
DRIVING ON SNOW OR ICE
WARNING
∙ Wet ice (32°F, 0°C and freezing rain),very cold snow or ice can be slick and
very hard to drive on. The vehicle will
have much less traction or “grip” un-
der these conditions. Try to avoid driv-
ing on wet ice until the road is salted
or sanded.
∙ Whatever the condition, drive with caution. Accelerate and slow down
with care. If accelerating or down-
shif ting too fast, the drive wheels will
lose even more traction.
∙ Allow more stopping distance under these conditions. Braking should be
started sooner than on dry pavement.
∙ Allow greater following distances on slippery roads.
∙ Watch for slippery spots (glare ice). These may appear on an otherwise
clear road in shaded areas. If a patch
of ice is seen ahead, brake before
reaching it. Try not to brake while on
the ice, and avoid any sudden steering
maneuvers.
5-44Starting and driving