2019 NISSAN FRONTIER engine

CHECKING LIGHTS
With all doors closed, apply the parking
brake, fasten the seat belts and place the
ignition switch in the ON position without
starting the engine. The following lights (if
so equipped) will come on:
,or,,,
The following lights (if so equipped) will
come on briefly and then go off:
or,,,,,
,,
If any light fails to come on or operate in a
way other than described, it may indicate a
burned-out bulb and/or a system mal-
function. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
WARNING LIGHTS
This vehicle has various warning lights that
may illuminate to indicate a potential prob-
lem. For additional information, refer to the
specific light in this section.
4WD warning light (
model)
The 4WD warning light comes on when the
ignition switch is turned to the ON position.
It turns off soon af ter the engine is started.
If the engine or vehicle is not functioning
properly, the warning light will either re-
main illuminated or blink. For additional in-
formation, refer to “Using 4–wheel drive
(4WD)” in the “Starting and driving” section
of this manual.
CAUTION
∙ If the warning light comes on or blinksduring operation, have your vehicle
checked as soon as possible. It is rec-
ommended that you visit a NISSAN
dealer for this service.
∙ Do not drive on dry hard surface roads in the 4H or 4LO position. If the 4WD
warning light turns on when you are
driving on dry hard surface roads:
– In the 4H position, shif t the 4WD shif t switch to 2WD. – In the 4LO position for automatic
transmission models, 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 models, 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.
orAnti-lock Braking
System (ABS)
warning light
When the ignition switch is placed in the ON
position, the ABS warning light illuminates
and then turns off. This indicates the ABS is
operational.
Instruments and controls2-15

If the ABS warning light illuminates while
the engine is running or while driving, it
may indicate the ABS is not functioning
properly. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service.
If an ABS malfunction occurs, the anti-lock
function is turned off. The brake system
then operates normally but without anti-
lock assistance. For additional information,
refer to “Brake system” in the “Starting and
driving” section of this manual.
Automatic transmission oiltemperature warning light
(if so equipped)
This light comes on when the automatic
transmission oil temperature is too high. If
the light comes on while driving, reduce the
vehicle speed as soon as safely possible
until the light turns off.
CAUTION
Continued vehicle operation when the
A/T oil temperature warning light is on
may damage the automatic
transmission.
Automatic transmissionpark warning light (
model)
WARNING
∙ If the ATP light is ON, this indicates that the automatic transmission P
(Park) position will not function and
the transfer case is in neutral.
∙ When parking, always make sure that the 4WD shif t indicator light illumi-
nates and the parking brake is set.
Failure to engage the transfer posi-
tion in 2WD, 4H or 4LO could result in
the vehicle moving unexpectedly, re-
sulting in serious personal injury or
property damage.
∙ Shif t the 4WD switch into the 2WD, 4H or 4LO position again to turn off the
ATP warning light when the shif t lever
is in the P position and the ATP warn-
ing light is ON. (Before shif ting the
4WD switch into the 4LO position,
move the shif t lever into the N posi-
tion once, shif t the shif t lever into P
again and make sure the ATP warning
light is OFF.) This light indicates that the automatic
transmission parking function is not en-
gaged. If the transfer control is not secured
in any drive position while the shif t lever is
in the P (Park) position, the transmission will
disengage and the drive wheels will not
lock.orBrake warning
light
This light functions for both the parking
brake and the foot brake systems.
Parking brake indicator
When the ignition switch is placed in the ON
position, the light comes on when the park-
ing brake is applied.
Low brake fluid warning light
When the ignition switch is placed in the ON
position, the light warns of a low brake fluid
level. If the light comes on while the engine
is running with the parking brake not ap-
plied, stop the vehicle and perform the fol-
lowing:
1. Check the brake fluid level. Add brake fluid as necessary. For additional infor-
mation, refer to “Brake fluid” in the “Do-
it-yourself ” section of this manual.
2-16Instruments and controls

2. If the brake fluid level is correct, havethe warning system checked. It is rec-
ommended that you visit a NISSAN
dealer for this service.
WARNING
∙ Your brake system may not be work-ing properly if the warning light is on.
Driving could be dangerous. If you
judge it to be safe, drive carefully to
the nearest service station for repairs.
Otherwise, have your vehicle towed
because driving it could be
dangerous.
∙ Pressing the brake pedal with the en- gine stopped and/or a low brake fluid
level may increase your stopping dis-
tance and braking will require greater
pedal effort as well as pedal travel.
∙ If the brake fluid level is below the MINIMUM or MIN mark on the brake
fluid reservoir, do not drive until the
brake system has been checked. It is
recommended that you visit a NISSAN
dealer for this service.
Charge warning light
If this light comes on while the engine is
running, it may indicate the charging sys-
tem is not functioning properly. Turn the
engine off and check the generator belt. If
the belt is loose, broken, or missing, or if the
light remains on, have the system checked.
It is recommended that you visit a NISSAN
dealer for this service.
CAUTION
∙ Do not ground electrical accessoriesdirectly to the battery terminal. Doing
so will bypass the variable voltage
control system and the vehicle bat-
tery may not charge completely. For
additional information, refer to “Vari-
able voltage control system” in the
“Do-it-yourself ” section of this
manual.
∙ Do not continue driving if the genera- tor belt is loose, broken or missing.
Door open warning light
This light comes on when any of the doors
are not closed securely while the ignition
switch is in the ON position.
Engine oil pressure
warning light
This light warns of low engine oil pressure. If
the light flickers or comes on during nor-
mal driving, pull off the road in a safe area,
stop the engine immediatelyand call a
NISSAN dealer or other authorized repair
shop.
The engine oil pressure warning light is
not designed to indicate a low oil level.
Use the dipstick to check the oil level. For
additional information, refer to “Engine oil”
in the “Do-it-yourself ” section of this
manual.
CAUTION
Running the engine with the engine oil
pressure warning light on could cause
serious damage to the engine almost
immediately. Such damage is not cov-
ered by the NISSAN New Vehicle Limited
Warranty. Turn off the engine as soon as
it is safe to do so.
Instruments and controls2-17

For additional information, refer to “Seat
belts” in the “Safety—Seats, seat belts and
supplemental restraint system” section of
this manual.
Supplemental air bagwarning light
When the ignition switch is placed in the ON
or START position, the supplemental air
bag warning light illuminates for about
7 seconds and then turns off. This means
the system is operational.
If any of the following conditions occur, the
front air bag, side air bag, curtain air bag,
and pretensioner seat belt systems need
servicing:
∙ The supplemental air bag warning light remains on af ter approximately 7 sec-
onds.
∙ The supplemental air bag warning light flashes intermittently.
∙ The supplemental air bag warning light does not come on at all.
It is recommended that you visit a NISSAN
dealer for these services.
Unless checked and repaired, the supple-
mental restraint system (air bag system)
and/or the pretensioner(s) may not func- tion properly. For additional information, re-
fer to “Supplemental Restraint System
(SRS)” in the “Safety—Seats, seat belts and
supplemental restraint system” section of
this manual.
WARNING
If the supplemental air bag warning
light is on, it could mean that the front
air bag, side air bag, curtain air bag
and/or pretensioner systems will not
operate in an accident. To help avoid
injury to yourself or others, have your
vehicle checked as soon as possible. It is
recommended that you visit a NISSAN
dealer for this service.
INDICATOR LIGHTS
This vehicle has various indicator lights
that may illuminate to indicate a system
status. For additional information, refer to
the specific light in this section.
4WD shif t indicator light
(
model)
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.
Automatic transmission
position indicator light (if
so equipped)
For additional information, refer to “Driving
the vehicle” in the “Starting and driving” sec-
tion of this manual.
CRUISE indicator light
The light comes on when the cruise control
ON/OFF switch is pushed. The light goes
out when the ON/OFF switch is pushed
again. When the CRUISE indicator light
comes on, the cruise control system is op-
erational. For additional information, refer
to “Cruise control” in the “Starting and driv-
ing” section of this manual.
2-20Instruments and controls

Electronic locking reardifferential (E-Lock) system
ON indicator light (if so
equipped)
This light comes on when the electronic
locking rear differential (E-Lock) system
clutch is fully engaged.
The indicator light flashes when the sys-
tem is first turned on. When the system fully
engages, the light remains on. If the switch
is on and the indicator light continues to
flash, the system is not engaged.
For additional information, refer to “Electronic
locking rear differential (E-Lock) system
switch” in this section and “Electronic locking
rear differential (E-Lock) system” in the “Start-
ing and driving” section of this manual.
Front passenger air bagstatus light
The front passenger air bag status
light
will be lit and the passenger front
air bag will be off depending on how the
front passenger seat is being used.
For additional information, refer to “Front
passenger air bag and status light” in the
“Safety — Seats, seat belts and supplemen-
tal restraint system” section of this manual.
High beam indicator light
(blue)
This blue light comes on when the head-
light high beams are on and goes out when
the low beams are selected.
The high beam indicator light also comes
on when the passing signal is activated.
Hill descent control systemON indicator light (if so
equipped)
When the ignition switch is placed in the ON
position, this light comes on briefly and
then turns off.
The light comes on when the hill descent
control system is activated.
If the hill descent control switch is on and
the indicator light blinks, the system is not
engaged.
If the indicator light does not come on when
the hill descent switch is on, the system may
not be functioning properly. Have the system
checked. It is recommended that you visit a
NISSAN dealer for this service.
For additional information, refer to “Hill de-
scent control switch” in this section and “Hill descent control system” in the “Starting
and driving” section of this manual.
Malfunction Indicator Light
(MIL)
If this indicator light comes on steady or
blinks while the engine is running, it may
indicate a potential emission control mal-
function.
The MIL may also come on steady if the
fuel-filler cap is loose or missing, or if the
vehicle runs out of fuel. Check to make sure
the fuel-filler cap is installed and closed
tightly, and that the vehicle has at least
3 gal (11.4 L) of fuel in the fuel tank.
Af ter a few driving trips, the
light
should turn off if no other potential emis-
sion control system malfunction exists.
If this indicator light comes on steady for
20 seconds and then blinks for 10 seconds
when the engine is not running, it indicates
that the vehicle is not ready for an emission
control system inspection/maintenance
test. For additional information, refer to
“Readiness for inspection/maintenance
(I/M) test” in the “Technical and consumer
information” section of this manual.
Instruments and controls2-21

Operation
The MIL will come on in one of two ways:∙ MIL on steady — An emission control system malfunction has been de-
tected. Check the fuel-filler cap if the
LOOSE FUEL CAP warning appears in
the trip computer. If the fuel-filler cap is
loose or missing, tighten or install the
cap and continue to drive the vehicle.
The
light should turn off af ter a
few driving trips. If the
light does
not turn off af ter a few driving trips, have
the vehicle inspected. It is recom-
mended that you visit a NISSAN dealer
for this service. You do not need to have
your vehicle towed to the dealer.
∙
MIL blinking — An engine misfire has been
detected which may damage the emis-
sion control system. To reduce or avoid
emission control system damage:
– Do not drive at speeds above 45 mph (72 km/h).
– Avoid hard acceleration or decelera- tion.
– Avoid steep uphill grades.
– If possible, reduce the amount of cargo being hauled or towed. The MIL may stop blinking and come on
steady. Have the vehicle inspected. It is rec-
ommended that you visit a NISSAN dealer
for this service. You do not need to have
your vehicle towed to the dealer.
CAUTION
Continued vehicle operation without
having the emission control system
checked and repaired as necessary
could lead to poor driveability, reduced
fuel economy, and possible damage to
the emission control system.
Overdrive OFF indicator
light (if so equipped)
This light comes on when the overdrive
function is off.
The automatic transmission overdrive
function is controlled by the overdrive OFF
switch.
When the ignition switch is placed in the ON
position, the light comes on for about
2 seconds. If the light comes on at any
other time, it may indicate the automatic
transmission system is not functioning
properly. Have the system checked. It is
recommended that you visit a NISSAN
dealer for this service. For additional information, refer to “Driving
the vehicle” in the “Starting and driving” sec-
tion of this manual.
Security indicator light (if
so equipped)
This light blinks when the ignition switch is
in the OFF, LOCK or ACC position. This func-
tion indicates the security systems
equipped on the vehicle are operational.
For additional information, refer to “Security
systems” in this section.
SET indicator light
The light comes on while the vehicle speed
is controlled by the cruise control system. If
the light blinks while the engine is running,
it may indicate the cruise control system is
not functioning properly. Have the system
checked. It is recommended that you visit a
NISSAN dealer for this service.
Slip indicator light
This indicator light will blink when the Ve-
hicle Dynamic Control (VDC) system is op-
erating, thus alerting the driver to the fact
that the road surface is slippery and the
vehicle is nearing its traction limits.
2-22Instruments and controls

You may feel or hear the system working;
this is normal.
The light will blink for a few seconds af ter
the VDC system stops limiting wheel spin.
The
indicator light also comes on
when you place the ignition switch in the
ON position. The light will turn off af ter ap-
proximately 2 seconds if the system is op-
erational. If the light does not come on
have the system checked. It is recom-
mended that you visit a NISSAN dealer for
this service.
Transfer 4LO position
indicator light (
model)
This light comes on when the 4WD shif t
switch is set in the 4LO position with the
ignition switch in the ON position.
The transfer case may be damaged if you
shif t the switch while driving.
Make sure the transfer 4LO position indica-
tor light turns on when you shif t the 4WD
shif t switch to 4LO.
The indicator light may blink while shif t-
ing from one drive mode to the other. The 4LO indicator light must stop blinking
and remain illuminated or turn off before
shif ting the transmission into gear. If the
shif t lever is shif ted from the N (Neutral)
position to any other gear when the 4LO
indicator light is blinking, the vehicle may
move unexpectedly.
When you shif t between 4H and 4LO, follow
the instructions below:
∙ For automatic transmission (A/T) mod- els, stop the vehicle and shif t the shif t
lever to the N (Neutral) position with the
brake pedal depressed, then depress
and turn the 4WD shif t switch to 4LO or
4H.
∙ For manual transmission (M/T) models, stop the vehicle and shif t the shif t lever
to the N (Neutral) position with the
clutch pedal depressed, then depress
and turn the 4WD shif t switch to 4LO or
4H.
You cannot move the transfer 4WD shif t
switch between 4H and 4LO unless you
stop the vehicle and shif t the shif t lever to
the N position with the brake pedal (A/T
models) or clutch pedal (M/T models) de-
pressed.
Turn signal/hazard indicator lights
The appropriate light flashes when the turn
signal switch is activated.
NOTE:
In case of turn signal light bulb malfunc-
tion, the turn signal will flash at a higher
frequency when the turn signal switch is
activated.
Both lights flash when the hazard switch is
turned on.
Vehicle Dynamic Control(VDC) OFF indicator light
This indicator light comes on when the
VDC OFF switch is pushed to the OFF posi-
tion, the transfer case is in the 4LO position
(
model), or when the VDC system
is not functioning properly. This indicates
the VDC system is not operating.
Push the VDC OFF switch again or restart
the engine and the system will operate
normally. For additional information, refer
to “Vehicle Dynamic Control (VDC) system”
in the “Starting and driving” section of this
manual.
Instruments and controls2-23

∙ The alarm automatically turns off af tera period of time. However, the alarm
reactivates if the vehicle is tampered
with again. The alarm can be shut off by
unlocking the driver’s door with the key
or by pressing the
button on the
key fob.
The alarm is activated by:
∙ Opening a door without using the key or key fob (even if the door is unlocked by
using the inside lock knob or the power
door lock switch).
How to stop an activated alarm
The alarm stops only by unlocking the driv-
er’s door with the key or by pressing
the
button on the key fob.
NISSAN VEHICLE IMMOBILIZER
SYSTEM (if so equipped)
The NISSAN Vehicle Immobilizer System
will not allow the engine to start without
the use of a registered key.
If the engine fails to start using a registered
key (for example, when interference is
caused by another registered key, an auto-
mated toll road device or automatic pay-
ment device on the key ring), restart the
engine using the following procedures: 1. Leave the ignition switch in the ON po-
sition for approximately 5 seconds.
2. Turn the ignition switch to the OFF or LOCK position, and wait approximately
10 seconds.
3. Repeat steps 1 and 2.
4. Restart the engine while holding the device (which may have caused the in-
terference) separate from the regis-
tered key.
If the no start condition re-occurs, NISSAN
recommends placing the registered key on
a separate key ring to avoid interference
from other devices.
FCC Notice:
For USA:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the fol-
lowing two conditions; (1) This device
may not cause harmful interference, and
(2) this device must accept any interfer-
ence received, including interference
that may cause undesired operation of
the device. NOTE:
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s author-
ity to operate the equipment.
For Canada:
This device complies with Industry
Canada licence-exempt RSS standard(s).
Operation is subject to the following two
conditions: (1) this device may not cause
interference, and (2) this device must ac-
cept any interference, including interfer-
ence that may cause undesired opera-
tion of the device.
2-26Instruments and controls