2018 NISSAN LEAF check engine light

0 Illustrated table of contents
Air bags, seat belts and child restraints..........0-2
Exterior front ....................................0-3
Exterior rear .....................................0-4
Passenger compartment ........................0-5 Instrument panel
................................0-6
Engine compartment check locations ...........0-8
Warning and indicator lights .....................0-9

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 does not 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
For additional information on warnings
and indicators, refer to “Vehicle information
display” in this section.
orAnti-lock BrakingSystem (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.
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 EmergencyBraking (AEB) system
warning light (if so
equipped)
This light comes on when the ignition
switch is placed in the ON position. It turns
off af ter the engine is started.
This light illuminates when the AEB system
is set to OFF on the vehicle information
display.
If the light illuminates when the AEB sys-
tem is on, it may indicate that the system is
unavailable. For additional information, re-
fer to “Automatic Emergency Braking (AEB)”
in the “Starting and driving” section of this
manual.
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, this light comes on when the
parking brake is applied.
Instruments and controls2-11

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. If the brake fluid level is correct, have the 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.
Anti-lock Braking System (ABS) warning
indicator
When the parking brake is released and the
brake fluid level is sufficient, if both the
brake warning light and the ABS warning
light illuminate, it may indicate the ABS is
not functioning properly. Have the brake
system checked and, if necessary, repaired.
It is recommended that you visit a NISSAN
dealer for this service. For additional infor-
mation, refer to “Anti-lock Braking System
(ABS) warning light” in this section.
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, 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 accessories directly 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.
2-12Instruments and controls

Door open warning light (ifso equipped)
This light comes on when any of the doors
are not closed securely while the ignition
switch is in the ON position.
Engine oil pressurewarning 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.
High temperature warning
light (red) (if so equipped)
When the ignition switch is placed in the ON
position, the high temperature warning
light illuminates and then turns off. This in-
dicates that the high temperature sensor
in the engine coolant system is opera-
tional.
When driving, the high temperature warn-
ing light may turn off. This indicates that the
engine coolant temperature is within the
normal range.
CAUTION
If the high temperature warning light
illuminates while the engine is running,
it may indicate the engine temperature
is extremely high. Stop the vehicle
safely as soon as possible. If the vehicle
is overheated, continuing vehicle op-
eration may seriously damage the en-
gine. For additional information, refer
to “If your vehicle overheats” in the “In
case of emergency ” section of this
manual.
Low fuel warning light (if soequipped)
This light comes on when the fuel level in
the fuel tank is getting low. Refuel as soon
as it is convenient, preferably before the
fuel gauge reaches 0 (Empty). There will be
a small reserve of fuel in the tank when
the fuel gauge reaches 0 (Empty).
Low tire pressure warning
light
Your vehicle is equipped with a Tire Pres-
sure Monitoring System (TPMS) that moni-
tors the tire pressure of all tires except the
spare.
Instruments and controls2-13

NISSAN Intelligent Key®warning light (if so
equipped)
Af ter the ignition switch is placed in the ON
position, this light comes on for about
2 seconds and then turns off. This light illu-
minates or blinks as follows:
∙ The light blinks in yellow when the door is closed with the Intelligent Key lef t out-
side the vehicle and the ignition switch
in the ON position. Make sure that the
Intelligent Key is inside the vehicle.
∙ The light blinks in green when the Intel- ligent Key battery is running out of
power. Replace the battery with a new
one. For additional information, refer to
“Battery” in the “Do-it-yourself ” section
of this manual.
∙ The light illuminates in yellow when it warns of a malfunction with the electri-
cal steering lock system or the Intelli-
gent Key system.
If the warning light illuminates in yellow
while the engine is stopped, it may be im-
possible to free the steering lock or to start
the engine. If the light comes on while the
engine is running, you can drive the vehicle.
However, in these cases, have the vehicle checked and repaired as soon as possible.
It is recommended that you visit a NISSAN
dealer for this service.
For additional information, refer to “NISSAN
Intelligent Key®” in the “Pre-driving checks
and adjustments” section of this manual.
Power steering warning
light
WARNING
∙ If the engine is not running or is turned off while driving, the power as-
sist for the steering will not work.
Steering will be harder to operate.
∙ When the power steering warning light illuminates with the engine run-
ning, there will be no power assist for
the steering. You will still have control
of the vehicle, but the steering will be
harder to operate. Have the power
steering system checked. It is recom-
mended that you visit a NISSAN dealer
for this service.
When the ignition switch is placed in the ON
position, the power steering warning light
illuminates. Af ter starting the engine, the
power steering warning light turns off. This
indicates the power steering is operational. If the power steering warning light illumi-
nates while the engine is running, it may
indicate the power steering is not function-
ing properly and may need servicing. Have
the power steering checked. It is recom-
mended that you visit a NISSAN dealer for
this service.
When the power steering warning light illu-
minates with the engine running, there will
be no power assist for the steering, but you
will still have control of the vehicle. At this
time, greater steering effort is required to
operate the steering wheel, especially in
sharp turns and at low speeds.
For additional information, refer to “Power
steering” in the “Starting and driving” sec-
tion of this manual.
Seat belt warning light
The light reminds 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.
The seat belt warning light may also illumi-
nate if the front passenger’s seat belt is not
fastened when the front passenger’s seat
is occupied.
2-16Instruments and controls

For additional information, refer to “Seat
belts” in the “Safety—Seats, seat belts and
supplemental restraint system” section of
this manual.
Shif t P (Park) warning light(if so equipped)
This light blinks red and the key reminder
chime sounds if the shif t lever is in any
position other than P (Park) and the ignition
switch is in the OFF position. Return the
shif t lever to P (Park) with the ignition
switch in the OFF position and the light will
turn off. Place the ignition switch in the
LOCK position and the chime will turn off.
For additional information, refer to “NISSAN
Intelligent Key®” in the “Pre-driving checks
and adjustments” 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
For additional information, refer to “Vehicle
information display” in this section.
CRUISE indicator light (if so equipped)
The light comes on when the cruise control
switch is pushed. The light goes out when
the switch is pushed again. When the
cruise indicator light comes on, the cruise
control system is operational. For addi-
tional information, refer to “Cruise control”
in the “Starting and driving” section of this
manual.
Engine start operationindicator light (if so
equipped)
For vehicles equipped with push-button ig-
nition this indicator illuminates when the
ignition switch is in the LOCK, OFF or ON
position with the shif t lever in the P (Park)
position.
This indicator means that the engine will
start by pushing the push-button ignition
switch with the brake pedal depressed.
Instruments and controls2-17

Front fog light indicatorlight (green) (if so
equipped)
The front fog light indicator light illumi-
nates when the front fog lights are on. For
additional information, refer to “Fog light
switch” in this section.
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.
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 gallons (11.4 liters) 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. 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
vehicle information display (if so
equipped) or the trip computer (if so
equipped). 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 recommended 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
emission control system. To reduce or
avoid emission control system dam-
age:
– do not drive at speeds above 45 mph (72 km/h).
– avoid hard acceleration or decelera- tion.
– avoid steep uphill grades.
2-18Instruments and controls

– if possible, reduce the amount ofcargo 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)
The overdrive OFF indicator light illumi-
nates when the overdrive OFF mode is se-
lected.
For additional information, refer to “Driving
the vehicle” in the “Starting and driving” sec-
tion of this manual.
Security indicator light (ifso equipped)
This light blinks when the ignition switch is
placed in the OFF or LOCK position. The blinking security indicator light indi-
cates that the security systems equipped
on the vehicle are operational.
For additional information, refer to “Security
systems” in this section.
SET indicator light (if so
equipped)
This 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.
For additional information, refer to “Cruise
control” in the “Starting and driving” section
of this manual.
Side light and headlightindicator light (green)
The side light and headlight indicator light
illuminates when the side light or head-
lights are on. If the headlight switch is in the
AUTO position, the side light and headlight
indicator light will illuminate when the
headlights turn on. For additional informa-
tion, refer to “Headlight and turn signal
switch” in this section.
Slip indicator light
This indicator will blink when the VDC sys-
tem 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 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.
SPORT mode indicator
light (if so equipped)
This light illuminates and then turns off
when the ignition switch is placed in the ON
position, and when the SPORT mode is se-
lected.
Instruments and controls2-19