2019 NISSAN LEAF service

Action to take
If the warning light (orange) comes on, stop
the vehicle in a safe place and turn the EV
system off. Clean the radar cover on the on
the front of the vehicle with a sof t cloth, and
restart the EV system. If the warning light
continues to illuminate, have the AEB sys-
tem checked. It is recommended that you
visit a NISSAN certified LEAF dealer for this
service.
• When driving on roads with limited roadstructures or buildings (for example, long
bridges, deserts, snow fields, driving next
to long walls).
Action to take
When the above conditions no longer exist,
the AEB system will resume automatically.SYSTEM MALFUNCTION
If the AEB system malfunctions, it will be
turned off automatically, a chime will
sound, the AEB system warning light (or-
ange) will illuminate and the warning mes-
sage [Malfunction] will appear in the vehicle
information display.
Action to take:
If the warning light (orange) comes on, stop
the vehicle in a safe location, turn the EV
system off and restart the EV system. If the
warning light continues to illuminate, have
the AEB system checked. It is recom-
mended that you visit a NISSAN certified
LEAF dealer for this service
SYSTEM MAINTENANCE
The sensorAis located on the front of the
vehicle.
To keep the system operating properly, be
sure to observe the following:
• Always keep the sensor area of the front bumper clean.
• Do not strike or damage the areas around the sensor.
• Do not cover or attach stickers or similar objects on the front bumper near the sen-
sor area. This could cause failure or
malfunction.
Starting and driving5-117

Condition B
In the following conditions, the AEB with
Pedestrian Detection system warning light
will illuminate and the “Not Available: Front
Radar Blocked” warning message will ap-
pear in the vehicle information display:
• The sensor area of the front of the vehicleis covered with dirt or is obstructed.
Action to take
If the warning light (orange) comes on, stop
the vehicle in a safe place, and turn the EV
system off. Clean the radar cover on the
front of the vehicle with a sof t cloth, and
restart the EV system. If the warning light
continues to illuminate, have the AEB with
Pedestrian Detection system checked. It is
recommended that you visit a NISSAN cer-
tified LEAF dealer for this service.
When driving on roads with limited road
structures or buildings (for example, long
bridges, deserts, snow fields, driving next to
long walls). Action to take
When the above conditions no longer exist,
the AEB with Pedestrian Detection system
will resume automatically.
NOTE:
If the AEB with Pedestrian Detection sys-
tem stops working, the I-FCW system will
also stop working.
SYSTEM MALFUNCTION
If the AEB with Pedestrian Detection sys-
tem malfunctions, it will be turned off auto-
matically, a chime will sound, the AEB with
Pedestrian Detection system warning light
(orange) will illuminate and the warning
message [Malfunction] will appear in the
vehicle information display.
Action to take
If the warning light (orange) comes on, stop
the vehicle in a safe location, turn the EV
system off and restart the EV system. If the
warning light continues to illuminate, have
the AEB with Pedestrian Detection system
checked. It is recommended that you visit a
NISSAN certified LEAF dealer for this ser-
vice.
SYSTEM MAINTENANCE
The radar sensor is located on the front of
the vehicle
B. The camera is located on
the upper side of the windshield
A.
To keep the AEB with Pedestrian Detection
system operating properly, be sure to ob-
serve the following:
• Always keep sensor areas of the front bumper and windshield clean.
• Do not strike or damage the areas around the sensors (e.g., bumper, windshield).
5-126Starting and driving

Action to take
If the warning light (orange) comes on, stop
the vehicle in a safe place and turn the EV
system off. Clean the radar cover on the on
the front of the vehicle with a sof t cloth, and
restart the EV system. If the warning light
continues to illuminate, have the I-FCW sys-
tem checked. It is recommended that you
visit a NISSAN certified LEAF dealer for this
service.
• When driving on roads with limited roadstructures or buildings (for example, long
bridges, deserts, snow fields, driving next
to long walls).
Action to take
When the above conditions no longer exist,
the AEB system will resume automatically.
NOTE:
If the AEB system stops working, the
I-FCW system will also stop working.
SYSTEM MALFUNCTION
If the I-FCW system malfunctions, it will be
turned off automatically, a chime will
sound, the AEB system warning light (or-
ange) will illuminate and the warning mes-
sage [Malfunction] will appear in the vehicle
information display.
Action to take:
If the warning light (orange) comes on, stop
the vehicle in a safe location, turn the EV
system off and restart the EV system. If the
warning light continues to illuminate, have
the AEB system checked. It is recom-
mended that you visit a NISSAN certified
LEAF dealer for this service
SYSTEM MAINTENANCE
The sensorAis located on the front of the
vehicle.
To keep the system operating properly, be
sure to observe the following:
• Always keep the sensor area of the front bumper clean.
• Do not strike or damage the areas around the sensor.
• Do not cover or attach stickers or similar objects on the front bumper near the sen-
sor area. This could cause failure or
malfunction.
Starting and driving5-137

– Strong side wind.
– If you have adopted a sporty driv-ing style with higher cornering
speeds or higher rates of accel-
eration.
–
Frequent lane changes or changes
to vehicle speed.
• The I–DA system will not provide an alert in the following conditions:
– Vehicle speeds lower than 37 mph(60 km/h).
– Short lapses of attention.
– Instantaneous distractions such as dropping an object.
System malfunction
If the Intelligent Driver Alertness system
malfunctions, the system warning mes-
sage will appear in the vehicle information
display and the function will be stopped
automatically. Action to take
Stop the vehicle in a safe location, place the
vehicle in P (Park) position, turn the EV sys-
tem off and restart the EV system. If the
system warning message continues to ap-
pear, have the system checked. It is recom-
mended that you visit a NISSAN certified
LEAF dealer for this service.
Starting and driving5-141

WARNING
• If the READY to drive indicator light is off while driving, the power assist for
the steering will not work. Steering
will be harder to operate.
• When the power steering warning light illuminates while the READY to
drive indicator light is on, the power
assist for the steering will cease op-
eration. You will still have control of
the vehicle but the steering will be
harder to operate.
The power steering system is designed to
provide power assistance while driving to
operate the steering wheel with less effort.
When the steering wheel is operated re-
peatedly or continuously while parking or
driving at a very low speed, the power as-
sist for the steering wheel will be reduced.
This is to prevent overheating of the power
steering system and help protect it from
getting damaged. When the power assis-
tance is reduced, steering wheel operation
will become harder. When the temperature
of the power steering system goes down,
the power assistance level will return to normal. Avoid repeating such steering
wheel operations that could cause the
power steering system to overheat.
You may hear a noise when the steering
wheel is operated quickly. However, this is
not a malfunction.
If the power steering warning light
illuminates while the READY to drive indica-
tor light is on, it may indicate the power
steering system is not functioning properly
and may need servicing. Have the power
steering system checked. It is recom-
mended that you visit a NISSAN certified
LEAF dealer for this service. For additional
information, refer to “Power steering warn-
ing light” in the “Instruments and controls”
section of this manual.
The power assist for steering stops operat-
ing when both the power steering warning
light and READY to drive indicator light are
illuminated. You will still have control of the
vehicle. However, greater steering effort is
needed, especially in sharp turns and at
low speeds.
BRAKE PRECAUTIONS
This vehicle is equipped with two braking
systems:
1. Hydraulic brake system
2. Regenerative brake system
Hydraulic brake system
The hydraulic brake system is similar to the
brakes used on conventional vehicles.
The brake system has two separate hy-
draulic circuits. If one circuit malfunctions,
you will still have braking at two wheels.
Regenerative brake system
The primary purpose of the regenerative
brake system is to provide some power to
help recharge the Li-ion battery and ex-
tend driving range. A secondary benefit is
“engine braking” that operates based on
battery conditions.
In the D (Drive) range, when the accelerator
is released, the regenerative brake system
provides some deceleration and gener-
ates power for the Li-ion battery. Power is
also generated when the brake pedal is
applied.
POWER STEERING SYSTEM
BRAKE SYSTEM
5-146Starting and driving

Wet brakes
When the vehicle is washed or driven
through water, the brakes may get wet. As
a result, the 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 tapping 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
have dried.
Parking brake break-in
Break in the parking brake shoes whenever
the stopping effect of the parking brake is
weakened or whenever the parking brake
shoes and/or drums/rotors are replaced,
in order to assure the best braking perfor-
mance.
This procedure is described in the Genuine
NISSAN Service Manual, and it can be per-
formed by a certified repair facility. It is rec-
ommended that you visit a NISSAN certi-
fied LEAF dealer.
ANTI-LOCK BRAKING SYSTEM (ABS)
WARNING
• The ABS is a sophisticated device, but it cannot prevent accidents re-
sulting from careless or dangerous
driving techniques. It can help main-
tain vehicle control during braking
on slippery surfaces. Remember
that stopping distances on slippery
surfaces will be longer than on nor-
mal surfaces even with ABS. Stop-
ping distances may also be longer
on rough, gravel or snow covered
roads, or if you are using tire chains.
Always maintain a safe distance
from the vehicle in front of you. Ulti-
mately, the driver is responsible for
safety.
• Tire type and condition may also af- fect braking effectiveness.
– When replacing tires, install thespecified size of tires on all four
wheels.
– For additional information, refer to “Wheels and tires” in the “Main-
tenance and do-it-yourself ” sec-
tion of this manual. The ABS controls the brakes so the wheels
do not lock during hard braking or when
braking on slippery surfaces. The system
detects the rotation speed at each wheel
and varies the brake fluid pressure to pre-
vent each wheel from locking and sliding.
By preventing each wheel from locking, the
system helps the driver maintain steering
control and helps to minimize swerving
and spinning on slippery surfaces.
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 dis-
tances.
5-148Starting and driving

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 push
the power switch in the READY to drive po-
sition 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 the
instrument 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 certified LEAF dealer for this
service.
Normal operation
The Anti-lock Braking System (ABS) oper-
ates at speeds above 3 to 6 mph (5 to
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.
BRAKE ASSIST
When the force applied to the brake pedal
exceeds a certain level, the Brake Assist is
activated generating greater braking force
than a conventional brake booster even
with light pedal force.
WARNING
The Brake Assist is only an aid to assist
braking operation and is not a collision
warning or avoidance device. It is the
drivers responsibility to stay alert,
drive safely and be in control of the
vehicle at all times.
Starting and driving5-149

If the “Chassis Control System Error: See
Owner’s Manual” warning message ap-
pears in the vehicle information display, it
may indicate that the I-TC is not function-
ing properly. Have the system checked as
soon as possible. It is recommended that
you visit a NISSAN certified LEAF dealer for
this service.
WARNING
The I-TC may not be effective depend-
ing on the driving condition. Always
drive carefully and attentively.
When the I-TC is operating, you may feel a
pulsation in the brake pedal and hear a
noise. This is normal and indicates that the
I-TC is operating properly.
Even if the I-TC is turned off, some functions
will remain on to assist the driver (for ex-
ample, avoidance scenes).
ACTIVE RIDE CONTROL (ARC)
This system senses upper body motion
(based on wheel speed information) and
controls motor torque. This will enhance
ride comfort in effort to restrain uncom-
fortable upper body movement when
passing over undulated road surfaces. This
system comes into effect above 25 mph
(40 km/h).
When the VDC OFF switch is used to turn off
the VDC system, the Active Ride Control is
also turned off.WARNING
• Never rely solely on the hill start as- sist system to prevent the vehicle
from moving backward on a hill. Al-
ways drive carefully and attentively.
Depress the brake pedal when the
vehicle is stopped on a steep hill. Be
especially careful when stopped on
a hill on frozen or muddy roads. Fail-
ure to prevent the vehicle from roll-
ing backwards may result in a loss of
control of the vehicle and possible
serious injury or death.
• The hill start assist system is not de- signed to hold the vehicle at a stand-
still on a hill. Depress the brake pedal
when the vehicle is stopped on a
steep hill. Failure to do so may cause
the vehicle to roll backwards and
may result in a collision or serious
personal injury.
• The hill start assist may not prevent the vehicle from rolling backwards
on a hill under all load or road condi-
tions. Always be prepared to de-
press the brake pedal to prevent the
vehicle from rolling backwards. Fail-
ure to do so may result in a collision
or serious personal injury.
HILL START ASSIST SYSTEM
Starting and driving5-153