2015 NISSAN FRONTIER ECU

CAUTION
●Do not ground electrical accessories di-
rectly to the battery terminal. Doing so
will bypass the variable control system
and the vehicle battery may not charge
completely. For additional information,
refer to “Variable voltage control sys-
tem” in the “Maintenance and do-it-
yourself” section of this manual.
● Do not continue driving if the generator
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 normal driving,
pull off the road in a safe area, stop the engine
immediately, and 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 in-
formation, refer to “Engine oil” in the “Mainte-
nance and do-it-yourself” section of this manual.
CAUTION
Running the engine with the engine oil
pressure warning light on could cause se-
rious damage to the engine almost imme-
diately. Such damage is not covered by
warranty. Turn off the engine as soon as it
is safe to do so.
4WD warning light (
model)
The 4WD warning light comes on when the igni-
tion switch is turned to ON. It turns off soon after
the engine is started.
If the engine or vehicle is not functioning properly,
the warning light will either remain illuminated or
blink. For additional information, refer to “4WD
warning light” in the “Starting and driving” section
of this manual.
CAUTION
● If the warning light comes on or blinks
during operation, have your vehicle
checked by a NISSAN dealer as soon as
possible.
● 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, shift the 4WD shift switch to 2WD.
– in the 4LO position for automatic transmission models, stop the ve-
hicle and shift the shift lever to the N
(Neutral) position with the brake
pedal depressed and shift the 4WD
shift switch to 2WD.
– in the 4LO position for manual trans- mission models, stop the vehicle and
shift the shift lever to the N (Neutral)
position with the clutch pedal de-
pressed and shift the 4WD shift
switch to 2WD,
● If the warning light is still on after the
above operation, have your vehicle
checked by a NISSAN dealer as soon as
possible.
Instruments and controls2-17

●If the light illuminates while driving,
avoid sudden steering maneuvers or
abrupt braking, reduce vehicle speed,
pull off the road to a safe location and
stop the vehicle as soon as possible.
Driving with under-inflated tires may
permanently damage the tires and in-
crease the likelihood of tire failure. Se-
rious vehicle damage could occur and
may lead to an accident and could result
in serious personal injury. Check the
tire pressure for all 4 tires. Adjust the
tire pressure to the recommended
COLD tire pressure shown on the Tire
and Loading Information label located
in the driver’s door opening to turn the
low tire pressure warning light OFF. If
the light still comes on while driving
after adjusting the tire pressure, a tire
may be flat. If you have a flat tire, re-
place it with a spare tire as soon as
possible. ●
When a spare tire is mounted or a wheel
is replaced the TPMS will not function
and the low tire pressure warning light
will flash for approximately 1 minute.
The light will remain on after 1 minute.
The CHECK TIRE PRES warning mes-
sage is not displayed if the low tire
pressure warning light illuminates to
indicate a TPMS malfunction. Contact
your NISSAN dealer as soon as pos-
sible for tire replacement and/or sys-
tem resetting.
● Replacing tires with those not originally
specified by NISSAN could affect the
proper operation of the TPMS.
CAUTION
● The TPMS is not a substitute for the
regular tire pressure check. Be sure to
check the tire pressure regularly.
● If the vehicle is being driven at speeds
of less than 16 MPH (25 km/h), the
TPMS may not operate correctly.
● Be sure to install the specified size of
tires to the 4 wheels correctly.
Low windshield-washer fluid
warning light (if so equipped)
This light comes on when the windshield-washer
fluid is at a low level. Add windshield-washer fluid
as necessary. For additional information, refer to
“Windshield-washer fluid” in the “Maintenance
and do-it-yourself” section of this manual.
Seat belt warning light andchime
The light and chime remind you to fasten your
seat belts. The light illuminates whenever the
ignition switch is placed in the ON or START
position and remains illuminated until the driver’s
seat belt is fastened. At the same time, the chime
sounds for about 6 seconds unless the driver’s
seat belt is securely fastened.
The seat belt warning light may also illuminate if
the front passenger’s seat belt is not fastened
when the front passenger’s seat is occupied . For
7 seconds after the ignition switch is placed in
the ON position, the system does not activate the
warning light for the front passenger.
For additional information, refer to “Seat belts” in
the “Safety—Seats, seat belts and supplemental
restraint system” section of this manual for pre-
cautions on seat belt usage.
Instruments and controls2-19

Operation
The MIL will come on in one of 2 ways:● MIL on steady — An emission control system
malfunction has been detected. Check the
fuel-filler cap if the LOOSE FUEL CAP
warning message is displayed in the odom-
eter. 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 after a few driving trips. If the
light
does not turn off after a few driving trips,
have the vehicle inspected by a NISSAN
dealer. You do not need to have your vehicle
towed to the dealer.
● MIL blinking — An engine misfire has been
detected which may damage the emission
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 deceleration.
– 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 by a NISSAN dealer.
You do not need to have your vehicle towed to the
dealer.
CAUTION
Continued vehicle operation without hav-
ing the emission control system checked
and repaired as necessary could lead to
poor driveability, reduced fuel economy,
and possible damage to the emission con-
trol system.
Overdrive OFF indicator light
This light comes on when the overdrive function
is OFF.
The automatic transmission overdrive function is
controlled by the overdrive switch.
For additional information, refer to “Driving the
vehicle” in the “Starting and driving” section 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 function indi-
cates the security systems equipped on the ve-
hicle are operational.
For additional information, refer to “Security sys-
tems” in this section.
Slip indicator light
This indicator will blink when the VDC system is
operating, thus alerting the driver to the fact that
the road surface is slippery and the vehicle is
nearing its traction limits.
You may feel or hear the system working; this is
normal.
The light will blink for a few seconds after 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 after approximately 2 sec-
onds if the system is operational. If the light does
not come on have the system checked by a
NISSAN dealer.
2-22Instruments and controls

The VDC system will be disabled and the VDC
light will illuminate when the electronic locking
rear differential (E-lock) system switch (if so
equipped) is turned on and the E-lock system is
engaged. If the E-lock system disengages or the
switch is turned off, the VDC system will be
enabled and the VDC light will turn off.
AUDIBLE REMINDERS
Brake pad wear warning
The disc brake pads have audible wear warnings.
When a disc brake pad requires replacement, it
makes a high pitched scraping sound when the
vehicle is in motion, whether or not the brake
pedal is depressed. Have the brakes checked as
soon as possible if the warning sound is heard.
Key reminder chime
A chime sounds if the driver’s door is opened
while the key is left in the ignition switch. Remove
the key and take it with you when leaving the
vehicle.
Light reminder chime
With the ignition switch placed in the OFF posi-
tion, a chime sounds when the driver’s door is
opened if the headlights or parking lights are on.
Turn the headlight control switch off before leav-
ing the vehicle.Your vehicle may have two types of security sys-
tems:
● Vehicle security system (if so equipped)
● NISSAN Vehicle Immobilizer System (if so
equipped)
VEHICLE SECURITY SYSTEM (if so
equipped)
The vehicle security system provides visual and
audible alarm signals if someone opens the doors
when the system is armed. It is not, however, a
motion detection-type system that activates
when a vehicle is moved or when a vibration
occurs. The system helps deter vehicle theft but cannot
prevent it, nor can it prevent the theft of interior or
exterior vehicle components in all situations. Al-
ways secure your vehicle even if parking for a
brief period. Never leave your keys in the ignition,
and always lock the vehicle when unattended. Be
aware of your surroundings, and park in secure,
well-lit areas whenever possible.
Many devices offering additional protection, such
as component locks, identification markers, and
tracking systems, are available at auto supply
stores and specialty shops. Your NISSAN dealer
may also offer such equipment. Check with your
insurance company to see if you may be eligible
for discounts for various theft protection features.
How to arm the vehicle security
system
1. Close all windows.
(The system can be
armed even if the windows are open.)
2. Remove the key from the ignition switch.
3. Close all doors. Lock all doors. The doors can be locked with the key, power door lock
switch (if the door is opened, locked and
then closed) , or with the key fob.
LIC0359
SECURITY SYSTEMS (if so equipped)
2-24Instruments and controls

Key fob operation:
●Push the
button on the key fob.
All doors lock. The hazard lights flash
twice and the horn beeps once to indicate
all doors are locked.
● When the
button is pushed with
all doors locked, the hazard lights flash
twice and the horn beeps once as a re-
minder that the doors are already locked.
The horn may or may not beep. For addi-
tional information, refer to “Silencing the
horn beep feature” in the “Pre-driving
checks and adjustments” section of this
manual.
4. Confirm that the
indicator light comes
on. The
light stays on for about
30 seconds. The vehicle security system is
now pre-armed. After about 30 seconds the
vehicle security system automatically shifts
into the armed phase. The
light begins
to flash once every 3 seconds. If, during the
30-second pre-arm time period, the driver’s
door is unlocked by the key or the key fob, or
the ignition switch is placed in ACC or ON
position, the system will not arm. ●
If the key is turned slowly when locking
the driver’s door, the system may not
arm. Furthermore, if the key is turned
beyond the vertical position toward the
unlock position the system may be dis-
armed when the key is removed. If the
indicator light fails to glow for a period
of time, unlock the door once and lock
it again.
● Even when the driver and/or passen-
gers are in the vehicle, the system will
arm with all doors closed and locked
with the ignition switch placed in the
OFF position.
Vehicle security system activation
The vehicle security system will give the following
alarm:
● The headlights blink and the horn sounds
intermittently.
● The alarm automatically turns off after a pe-
riod 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 driver’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 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.
Instruments and controls2-25

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.
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 interference re-
ceived, including interference that may
cause undesired operation of the device.
NOTE:
Changes or modifications not expressly ap-
proved by the party responsible for compli-
ance could void the user’s authority to op-
erate the equipment. For Canada:
This device complies with Industry Canada
licence-exempt RSS standard(s) . Opera-
tion is subject to the following two condi-
tions: (1) this device may not cause inter-
ference, and (2) this device must accept any
interference, including interference that
may cause undesired operation of the de-
vice.
Security indicator light
The security indicator light blinks whenever the
ignition switch is placed in the LOCK, OFF or ACC
position. This function indicates the NISSAN Ve-
hicle Immobilizer System is operational.
If the NISSAN Vehicle Immobilizer System is mal-
functioning, the light will remain on while the
ignition switch is placed in the ON position.
If the light still remains on and/or the en-
gine will not start, see a NISSAN dealer for
NISSAN Vehicle Immobilizer System ser-
vice as soon as possible. Please bring all
registered keys that you have when visiting
your NISSAN dealer for service.
LIC0474
2-26Instruments and controls

UNDER-SEAT STORAGE BINS
WARNING
●Properly secure all cargo with ropes or
straps to help prevent it from sliding or
shifting. In a sudden stop or collision,
unsecured cargo could cause personal
injury.
● The cargo restrained in the under-seat
storage bins must not exceed the
weight limits listed below or the bins
may not stay secured. In a sudden stop
or collision, the unsecured bins could
cause personal injury.
King Cab model: 16 lb (7.25 kg)
Crew Cab model Driver’s side: 16 lb (7.25 kg)
Passenger’s side: 25 lb (11.33 kg)
● If the under-seat storage bins are re-
moved for any reason, they should be
securely stored to prevent them from
causing injury to passengers or damage
to the vehicle in case of sudden braking
or an accident.
Rear row under-seat storage bin (King Cab model)
LIC0821
Rear row under-seat storage bin(Crew Cab model)
LIC0820
Instruments and controls2-41

ROOF RACK (if so equipped)
WARNING
●Drive extra carefully when the vehicle is
loaded at or near the cargo carrying
capacity, especially if the significant
portion of that load is carried on the
roof rack.
● Heavy loading of the roof rack has the
potential to affect the vehicle stability
and handling during sudden or abnor-
mal handling maneuvers.
● Roof rack load should be evenly
distributed.
● Do not exceed maximum roof rack load
weight capacity.
● Properly secure all cargo with ropes or
straps to help prevent it from sliding or
shifting. In a sudden stop or collision,
unsecured cargo could cause personal
injury.
CAUTION
Use care when placing or removing items
from the roof rack. If you cannot comfort-
ably lift the items onto the roof rack from
the ground, use a ladder or stool.
WIC0857
Instruments and controls2-47