2017 NISSAN MAXIMA sensor

light (orange) and display the “Unavailable: Front
Radar Obstruction” message.
Action to take
If the warning light (orange) comes on, stop the
vehicle in a safe place, place the shift lever in the
P (Park) position and turn the engine off. Clean
the radar cover on the lower grille with a soft
cloth, and restart the engine. If the warning light
continues to illuminate, have the FEB system
checked. It is recommended that you visit a
NISSAN dealer for this service.
NOTE:
If the FEB system stops working, the PFCW
system (if so equipped) will also stop work-
ing.
SYSTEM MALFUNCTION
If the FEB system malfunctions, it will be turned
off automatically, a chime will sound, the FEB
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 engine off and
restart the engine. If the warning light continues
to illuminate, have the FEB systems checked. It is
recommended that you visit a NISSAN dealer for
this service.
SYSTEM MAINTENANCE
The sensorAis located behind the lower grille
of the front bumper.
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 sensor
area. This could cause failure or malfunction.
LSD2367
5-62Starting and driving

The PFCW system uses a radar sensorAlo-
cated behind the lower grille of the front bumper
to measure the distance to the vehicle ahead in
the same lane.
LSD2367
LSD2424
5-64Starting and driving

WARNING
Listed below are the system limitations for
the PFCW system. Failure to operate the
vehicle in accordance with these system
limitations could result in serious injury or
death.
●The PFCW system cannot detect all ve-
hicles under all conditions.
● The radar sensor does not detect the
following objects:
– Pedestrians, animals or obstacles in the roadway – Oncoming vehicles
– Crossing vehicles
● (Illustration A) The PFCW system does
not function when a vehicle ahead is a
narrow vehicle, such as a motorcycle.
● The radar sensor may not detect a ve-
hicle ahead in the following conditions:
– Snow or heavy rain
– Dirt, ice, snow or other material cov- ering the radar sensor.
– Interference by other radar sources. – Snow or road spray from traveling
vehicles.
– Driving in a tunnel
– (Illustration B) When the vehicle ahead is being towed.
– (Illustration C) When the distance to the vehicle ahead is too close, the
beam of the radar sensor is
obstructed.
– (Illustration D) When driving on a steep downhill slope or roads with
sharp curves.
Illustration B
LSD2265
5-68Starting and driving

●The system is designed to automatically
check the sensor’s functionality, within
certain limitations. The system may not
detect some forms of obstruction of the
sensor area such as ice, snow, stickers,
etc. In these cases, the system may not
be able to warn the driver properly. Be
sure that you check, clean and clear the
sensor area regularly.
● Excessive noise will interfere with the
warning chime sound, and the chime
may not be heard.SYSTEM TEMPORARILY
UNAVAILABLE
Condition A
When the radar sensor picks up interference
from another radar source, making it impossible
to detect a vehicle ahead, the PFCW system is
automatically turned off.
The FEB system warning light (orange) will illu-
minate. Action to take
When the above conditions no longer exist, the
PFCW system will resume automatically.
Condition B
When the sensor area of the front bumper is
covered with dirt or is obstructed, making it im-
possible to detect a vehicle ahead, the PFCW
system is automatically turned off.
The FEB system warning light (orange) will illu-
minate and the “Unavailable: Front Radar Ob-
struction” warning message will appear in the
vehicle information display.
Illustration C
LSD2266
Starting and driving5-69

SYSTEM MAINTENANCE
The sensorAis located behind the lower grille
of the front bumper.
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 sensor
area. This could cause failure or malfunction.
LSD2377
LSD2367
Starting and driving5-71

WARNING
Do not pump the brake pedal. Doing so
may result in increased stopping
distances.
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 start the engine
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 malfunc-
tion, 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. It is recommended that you visit a
NISSAN dealer for this service.
Normal operation
The ABS operates at speeds above3-6mph(5
- 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.
BRAKE ASSIST
When the force applied to the brake pedal ex-
ceeds a certain level, the brake assist is activated
generating greater braking force than a conven-
tional 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 driv-
ers responsibility to stay alert, drive safely
and be in control of the vehicle at all times.
The VDC system uses various sensors to monitor
driver inputs and vehicle motion. Under certain
driving conditions, the VDC system helps to per-
form the following functions:
● Controls brake pressure to reduce wheel
slip on one slipping drive wheel so power is
transferred to a non slipping drive wheel on
the same axle.
● Controls brake pressure and engine output
to reduce drive wheel slip based on vehicle
speed (traction control function) .
● Controls brake pressure at individual wheels
and engine output to help the driver maintain
control of the vehicle in the following condi-
tions:
– understeer (vehicle tends to not follow the steered path despite increased steer-
ing input)
– oversteer (vehicle tends to spin due to certain 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.
VEHICLE DYNAMIC CONTROL (VDC)
SYSTEM
Starting and driving5-81

The Integrated Dynamics-control Module is an
electric control module that includes the follow-
ing functions:● Active Trace Control
● Active Engine Brake
● Active Ride Control
ACTIVE TRACE CONTROL
This system senses driving based on the driver’s
steering and acceleration/braking patterns, and
controls brake pressure at individual wheels to
aid tracing at corners and help smooth vehicle
response.
The Active Trace Control can be set to ON (en-
abled) or OFF (disabled) through the vehicle
information display “Settings” page. For addi-
tional information, refer to “Vehicle information
display” in the “Instruments and controls” section
of this manual.
When the VDC OFF switch is used to turn off the
VDC system, the Active Trace Control is also
turned off.
If the Integrated Dynamics-control Module warn-
ing message appears in the vehicle information
display, it may indicate that the Active Trace Con-
trol is not functioning properly. Have the system
checked as soon as possible. It is recommended
that you visit a NISSAN dealer for this service.
WARNING
The Active Trace Control may not be effec-
tive depending on the driving condition.
Always drive carefully and attentively.
When the Active Trace Control is operating, you
may feel a pulsation in the brake pedal and hear a
noise. This is normal and indicates that the Active
Trace Control is operating properly.
Even if the Active Trace Control is set to OFF,
some functions will remain on to assist the driver
(for example: avoidance scenes) .
ACTIVE ENGINE BRAKE
The Active Engine Brake function adds subtle
deceleration by controlling CVT gear ratio, de-
pending on the cornering condition calculated
from driver’s steering input and plural sensors.
This benefit is for easier traceability and less
workload of adjusting speed with braking at cor-
ners.
The Active Engine Brake also enhances braking
feel by adding subtle deceleration with CVT gear
ratio control according to driver’s brake pedal
operation.
The Active Engine Brake can be set to ON (en-
abled) or OFF (disabled) through the vehicle
information display “Settings” page. For addi- tional information, refer to “Vehicle information
display” in the “Instruments and controls” section
of this manual.
If the Integrated Dynamics-control Module warn-
ing message appears in the vehicle information
display, it may indicate that the Active Engine
Brake is not functioning properly. Have the sys-
tem checked as soon as possible. It is recom-
mended that you visit a NISSAN dealer for this
service.
WARNING
The Active Engine Brake may not be effec-
tive depending on driving conditions. Al-
ways drive carefully and attentively.
When the Active Engine Brake is operating, the
needle of the tachometer will rise up and you may
hear an engine noise. This is normal and indicates
that the active engine brake is operating properly.
ACTIVE RIDE CONTROL
This system senses upper body motion (based
on wheel speed information) and controls engine
torque and four wheel brake pressure. 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).
INTEGRATED DYNAMICS-CONTROL
MODULE (if so equipped)
5-84Starting and driving

When the VDC OFF switch is used to turn off the
VDC system, the Active Ride Control is also
turned off.
If the Integrated Dynamics-control Module warn-
ing message appears in the vehicle information
display, it may indicate that the Active Ride Con-
trol is not functioning properly. Have the system
checked as soon as possible. It is recommended
that you visit a NISSAN dealer for this service.
When the Active Ride Control is operating, you
may hear noise and sense slight deceleration.
This is normal and indicates that the Active Ride
Control is operating properly.The sonar (parking sensor) system sounds a tone
to inform the driver of obstacles near the bumper.
When the “DISPLAY” key is ON, the sonar view
will automatically appear in the meter.
WARNING
●The sonar (parking sensor) system is a
convenience but it is not a substitute for
proper parking.
● The driver is always responsible for
safety during parking and other maneu-
vers. Always look around and check that
it is safe to do so before parking. ●
Read and understand the limitations of
the sonar (parking sensor) system as
contained in this section. The colors of
the corner sonar indicator and the dis-
tance guide lines in the front/rear view
indicate different distances to the
object.
● Inclement weather or ultrasonic
sources such as an automatic car wash,
a truck’s compressed-air brakes or a
pneumatic drill may affect the function
of the system; this may include reduced
performance or a false activation.
● This function is designed as an aid to
the driver in detecting large stationary
objects to help avoid damaging the
vehicle.
● The system is not designed to prevent
contact with small or moving objects.
Always move slowly. The system will
not detect small objects below the bum-
per, and may not detect objects close to
the bumper or on the ground.
● The system may not detect the follow-
ing objects: Fluffy objects such as
snow, cloth, cotton, glass, wool, etc.,
Thin objects such as rope, wire and
chain, etc., or wedge-shaped objects.
LSD2427
FRONT AND REAR SONAR SYSTEM
(if so equipped)
Starting and driving5-85