brake sensor NISSAN LEAF 2015 1.G Owners Manual

Unregistered Intelligent Key:
This warning appears when the power switch is
placed in the ON, ACC or READY to drive posi-
tion and the Intelligent Key cannot be recognized
by the system. You cannot place the power
switch in the READY to drive position with an
unregistered key. Use an Intelligent Key that has
been registered.
See “NISSAN Intelligent Key® system” in the
“Pre-driving checks and adjustments” section for
more details.
3. Intelligent Key battery discharge
indicator
This indicator appears when the Intelligent Key
battery is running out of power.
If this indicator appears, replace the battery with
a new one. (See “NISSAN Intelligent Key® bat-
tery replacement” in the “Maintenance and do-it-
yourself” section.)
4. EV system operation for discharged
Intelligent Key system indicator
This indicator appears when the Intelligent Key
battery is running out of power and when the
Intelligent Key System and vehicle are not com-
municating normally.If this indicator appears, touch the power switch
with the Intelligent Key while depressing the
brake pedal. (See “NISSAN Intelligent Key® bat-
tery discharge” in the “Starting and driving” sec-
tion.)
5. Door/rear hatch open warning
(power switch is in the ON position)
This warning appears if any of the doors and/or
the rear hatch are open or not closed securely.
The vehicle icon indicates which door or the rear
hatch is open on the display. Make sure that all of
the doors and the rear hatch are closed.
This warning also appears alternating with SHIFT
P
warning while the driver’s door is opened with
the shift position in any position other than the P
(Park) position. See “SHIFT Pwarning (if so
equipped)” in this section.
6. Intelligent Key system warning
This warning appears if there is a malfunction in
the Intelligent Key system.
If this warning appears while the power switch
position is in the ON position, the power switch
can not be switched to the READY to drive posi-
tion. If this warning appears while power switch is
in the READY to drive position, the vehicle can be driven. However, contact a NISSAN certified
LEAF dealer.
7. Driver alert
This warning appears when the previously set
time for a break is reached. You can set the time
for up to 6 hours in the setting menu. (See “Trip
computer” in this section.)
8. Low outside air temperature
The outside air temperature is displayed in °F or
°C in the range of −20°F to 140°F (−30°C to
60°C) .
The outside air temperature mode includes a low
temperature warning feature. If the outside air
temperature is below 37°F (3°C) , the warning is
displayed on the screen.
The outside temperature sensor is located in
front side of the vehicle. The sensor may be
affected by road, wind directions and other driv-
ing conditions. The display may differ from the
actual outside temperature or the temperature
displayed on various signs of billboards.
9. Low washer fluid warning (if so
equipped)
This warning appears when the washer tank fluid
is at a low level. Add washer fluid as necessary.
2-24Instruments and controls

ANTI-LOCK BRAKING SYSTEM
(ABS)
WARNING
• The Anti-lock Braking System (ABS) is a sophisticated device, but it cannot
prevent accidents resulting from care-
less or dangerous driving techniques.
It can help maintain vehicle control
during braking on slippery surfaces.
Remember that stopping distances on
slippery surfaces will be longer than
on normal surfaces even with ABS.
Stopping 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. Ultimately,
the driver is responsible for safety.
• Tire type and condition may also affect braking effectiveness.
– When replacing tires, install thespecified size of tires on all four
wheels.
– For detailed information, see “Wheels and tires” in the “Mainte-
nance and do-it-yourself” section of
this manual.
The Anti-lock Braking System (ABS) controls the
brakes so the wheels do not lock during hard brak-
ing or when braking on slippery surfaces. The sys-
tem detects the rotation speed at each wheel and
varies the brake fluid pressure to prevent 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. De-
press the brake pedal with firm steady pressure,
but do not pump the brakes. The ABS will oper-
ate 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.
Self-test feature
The ABS includes 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 position 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 malfunction. If the computer
senses a malfunction, it switches the ABS off and
illuminates 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 vehicle
checked by a NISSAN certified LEAF dealer.
Normal operation
The ABS operates 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 ap-
plies and releases hydraulic pressure. This action
is similar to pumping the brakes very quickly. You
may feel a pulsation 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 operating properly.
However, the pulsation may indicate that road
conditions are hazardous and extra care is re-
quired while driving.
5-22Starting and driving

The Vehicle Dynamic Control (VDC) system uses
various sensors to monitor driver inputs and ve-
hicle motion. Under certain driving conditions,
the VDC system helps to perform the following
functions.
• Controls brake pressure to reduce wheel slip onone slipping drive wheel so power is transferred
to a drive wheel on the same axle that is not
slipping.
• Controls brake pressure and traction motor out- put to reduce drive wheel slip based on vehicle
speed (traction control function) .
• Controls brake pressure at individual wheels and traction motor output to help the driver
maintain control of the vehicle in the following
conditions. – understeer (vehicle tends to not follow the steered path despite increased steering in-
put)
– oversteer (vehicle tends to spin due to cer- tain road or driving conditions) .
The VDC system can help the driver to maintain
control of the vehicle, but it cannot prevent loss of
vehicle control in all driving situations.
When the VDC system operates, the
warning in the instrument panel flashes. When
the warning flashes, note the following items. • The road may be slippery or the system may
determine some action is required to help keep
the vehicle on the steered path.
• You may feel a pulsation in the brake pedal and hear a noise or vibration from under the hood.
This is normal and indicates that the VDC sys-
tem is working properly.
• Adjust your speed and driving according to the road conditions.
See “Vehicle Dynamic Control (VDC) warning
light” and “Vehicle Dynamic Control (VDC) off
indicator light” in the “Instruments and controls”
section.
If a malfunction occurs in the system, the
warning illuminates in the lower display. The VDC
system automatically turns off when this warning
light is lit.
The VDC OFF switch is used to turn off the VDC
system. The VDC off indicator
illuminates
to indicate that the VDC system is off. When the
VDC switch is used to turn off the system, the
VDC system still operates to prevent one drive
wheel from slipping by transferring power to a
drive wheel that is not slipping. The
warn-
ing flashes if this occurs. All other VDC functions
are off and the
warning will not flash. The
VDC System is automatically reset to ON when the power switch is placed in the OFF position
then back to the ON position.
The computer has a built-in diagnostic feature
that tests the system each time you start the EV
(Electric Vehicle) and move the vehicle forward or
in reverse at a slow speed. When the self-test
occurs, you may hear a “clunk” noise and/or feel a
pulsation in the brake pedal. This is normal and is
not an indication of a malfunction.
WARNING
• The VDC system is designed to help the driver maintain stability but does
not prevent accidents due to abrupt
steering operation at high speeds or
by careless or dangerous driving tech-
niques. Reduce vehicle speed and be
especially careful when driving and
cornering on slippery surfaces and al-
ways drive carefully.
• Do not modify the vehicle’s suspen- sion. If suspension parts such as shock
absorbers, struts, springs, stabilizer
bars, bushings and wheels are not
NISSAN recommended for your ve-
hicle or are extremely deteriorated the
VDC system may not operate properly.
This could adversely affect vehicle
VEHICLE DYNAMIC CONTROL (VDC)
SYSTEM
Starting and driving5-23