2015 FIAT 500X engine

ACTIVE SAFETY
SYSTEMSThe vehicle has the following active
safety systems:
❒ABS (Anti-lock Braking System);
❒DTC (Drag Torque Control);
❒ESC (Electronic Stability Control);
❒TC (Traction Control);
❒PBA (Panic Brake Assist);
❒HHC (Hill Hold Control);
❒DST (Dynamic Steering Torque);
❒ERM (Electronic Rollover Mitigation);
❒TSC (Trailer Sway Control).
For the operation of the systems, see
the following description.ABS (Anti-lock Braking
System)This system, which is an integral part of
the braking system, prevents one or
more wheels from locking and slipping
in all road surface conditions,
irrespective of the intensity of the
braking action, ensuring that the vehicle
can be controlled even during
emergency braking and optimising
stopping distances.
The system intervenes during braking
when the wheels are about to lock,
typically in emergency braking or
low-grip conditions, when locking may
be more frequent.The system also improves control and
stability of the vehicle when braking
on a surface where the grip of the left
and right wheels varies, or on corners.
The Electronic Braking Force
Distribution (EBD) system completes
the system allowing the brake force to
be distributed between the front and
rear wheels.
System interventionThe driver can feel that the ABS system
has come into action because the
brake pedal pulsates slightly and the
system gets noisier: this is entirely
normal with the system operating.
31) 32) 33) 34) 35) 36) 37)
DTC (Drag Torque
Control) SYSTEMThe system intervenes in the event of
sudden downshifting, or during ABS
braking, restoring torque to the engine
and thus preventing excessive drag
at the drive wheels, which may lead the
wheels to lock and a loss of vehicle
stability, above all in low-grip
conditions.
ESC (Electronic Stability
Control) SYSTEMThe ESC system improves the
directional control and stability of the
vehicle in various driving conditions.
The ESC system corrects the vehicle’s
understeer and oversteer, distributing
the brake force on the wheels
appropriately. The torque supplied by
the engine can also be reduced in order
to maintain control of the vehicle.
The ESC system uses sensors installed
on the vehicle to determine the
trajectory that the driver intends to
follow and compares it with the
vehicle’s effective trajectory. When the
real trajectory deviates from the desired
trajectory, the ESC system intervenes
to counter the vehicle’s understeer
or oversteer.
❒Oversteer: occurs when the vehicle is
turning more than it should according
to the angle of the steering wheel.
❒Understeer: occurs when the vehicle
is turning less than it should according
to the angle of the steering wheel.
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System interventionThe intervention of the system is
indicated by the flashing of the
warning light on the instrument
panel, to inform the driver that
the vehicle is in critical stability and grip
conditions.38) 39) 40) 41) 42)
TC (Traction Control)
SYSTEMThe system automatically operates in
the event of slipping, loss of grip on wet
roads (aquaplaning) and acceleration
on slippery, snowy or icy roads, etc. on
one or more drive wheels. Depending
on the slipping conditions, two different
control systems are activated:
❒if the slipping involves both drive
wheels, the system intervenes,
reducing the power transmitted by the
engine;❒if the slipping only involves one of the
drive wheels, the BLD (Brake Limited
Differential) function is activated,
automatically braking the wheel which
is slipping (the behaviour of a
self-locking differential is simulated).
This will increase the engine torque
transferred to the wheel which isn't
slipping. This function remains active
even if the "Systems partially disabled"
and "Systems disabled" modes are
selected (see description in the
following pages).
System interventionThe intervention of the system is
indicated by the flashing of the
warning light on the instrument
panel, to inform the driver that
the vehicle is in critical stability and grip
conditions.43) 44) 45) 46) 47)
PBA (Panic Brake
Assist) SYSTEMThe PBA system is designed to
improve the vehicle’s braking capacity
during emergency braking.The system detects emergency braking
by monitoring the speed and force
with which the brake pedal is pressed,
and consequently applies the optimal
brake pressure. This can reduce the
braking distance: the PBA system
therefore completes the ABS.
Maximum assistance from the PBA
system is obtained by pressing the
brake pedal very quickly. In addition,
the brake pedal should be pressed
continuously during braking, avoiding
intermittent presses, to get the most
out of the system. Do not reduce
pressure on the brake pedal until
braking is not necessary anymore.
The PBA system is deactivated when
the brake pedal is released.
48) 49) 50)
HHC (Hill Hold Control)
SYSTEMThis is an integral part of the ESC
system and facilitates starting on
slopes, activating automatically in the
following cases:
❒uphill: vehicle stationary on a road
with a gradient higher than 5%, engine
running, brake pressed and
transmission in neutral or gear other
than reverse engaged;
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❒downhill: vehicle stationary on a road
with a gradient higher than 5%, engine
running, brake pressed and reverse
gear engaged.
When setting off, the ESC system
control unit maintains the braking
pressure on the wheels until the engine
torque necessary for starting is
reached, or in any case for a maximum
of 2 seconds, allowing your right foot
to be moved easily from the brake
pedal to the accelerator.
When two seconds have elapsed,
without starting, the system is
automatically deactivated, gradually
releasing the braking pressure. During
this release stage it is possible to hear a
typical mechanical brake release noise,
indicating the imminent movement of
the vehicle.
51) 52)
DST SYSTEM (Dynamic
Steering Torque)The DST function uses the integration
of the ESC system with the electric
power steering to increase the safety
level of the whole vehicle.In critical situations (braking on surfaces
with different grip conditions), through
the DST function the ESC system
controls the steering to implement an
additional torque contribution on the
steering wheel, to suggest the most
correct manoeuvre to the driver.
The coordinated action of the brakes
and steering increases the sensation of
safety and control of the vehicle.
53)
ERM (Electronic Rollover
Mitigation) SYSTEMThe system monitors the tendency of
the wheels to rise from the ground if the
driver performs extreme manoeuvres
like quick steering to avoid an obstacle,
especially in poor road conditions.
If these conditions occur, the system
intervenes on the brakes and engine
power to reduce the possibility that the
wheels are raised from the ground. It
is not possible to avoid tendency to roll
over if the phenomenon is due to
reasons such as driving on high side
gradients, collision with objects or other
vehicles.
54)
TSC (Trailer Sway
Control) SYSTEMThe system employs a series of
sensors located on the vehicle to
identify excessive swerving of the trailer
and take the necessary precautions
to eliminate it.
To counteract the effect of trailer sway,
the system can reduce the engine
power and intervene on the wheels
involved. The TSC system activates
automatically once excessive sway of
the trailer is detected.System interventionWhen the system is active, the
warning light flashes on the
instrument panel, the engine power is
reduced and braking can be felt on the
individual wheels, following the attempt
to eliminate the swerving of the trailer.55) 56)
WARNING
31)When the ABS intervenes and you feel
the brake pedal pulsating, do not reduce
the pressure, but hold it down firmly and
confidently; in doing so you will brake
in the shortest distance possible,
depending on the current road conditions.
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32)To obtain the maximum efficiency of
the braking system, a bedding-in period of
about 500 km is needed: during this period
it is better to avoid sharp, repeated and
prolonged braking.
33)If the ABS system intervenes, this
indicates that the traction of the tyres on
the road is about to reach its limit. You
must slow down to a speed compatible
with the available grip.
34)The ABS cannot overrule the natural
laws of physics, and cannot increase
the grip available according to the
condition of the road.
35)The ABS cannot prevent accidents,
including those due to excessive speed on
corners, driving on low-grip surfaces or
aquaplaning.
36)The capability of the ABS must never
be tested irresponsibly and dangerously, in
such a way as to compromise personal
safety and the safety of others.
37)For the correct operation of the ABS, it
is essential that the tyres are of the same
make and type on all wheels, in perfect
condition and, above all, of the specified
type and dimensions.
38)The ESC system can’t alter the natural
laws of physics, and can’t increase grip
which depends on the condition of the
road.
39)The ESC system cannot prevent
accidents, including those due to excessive
speed on corners, driving on low-grip
surfaces or aquaplaning.40)The capability of the ESC system must
never be tested irresponsibly and
dangerously, in such a way as to
compromise personal safety and the safety
of others.
41)For the correct operation of the ESC
system, the tyres must of necessity be the
same make and type on all wheels, in
perfect condition and, above all, of the
prescribed type and dimensions.
42)ESC performance features must not
induce the driver to take unnecessary
or unwarranted risks. Your driving style
must always be suited to the road
conditions, visibility and traffic. The driver
is, in any case, responsible for safe driving.
43)For the correct operation of the TC
system, the tyres must of necessity be the
same make and type on all wheels, in
perfect condition and, above all, of the
prescribed type and dimensions.
44)TC performance features must not
induce the driver to take unnecessary or
unwarranted risks. Your driving style must
always be suited to the road conditions,
visibility and traffic. The driver is, in any
case, responsible for safe driving.
45)The TC system cannot overrule the
natural laws of physics, and cannot
increase the grip available according to the
condition of the road.
46)The TC system cannot prevent
accidents, including those due to excessive
speed on corners, driving on low-grip
surfaces or aquaplaning.
47)The capability of the TC must never be
tested irresponsibly and dangerously, in
such a way as to compromise personal
safety and the safety of others.48)The PBA system can’t overrule the
natural laws of physics, and can’t increase
the grip available according to the
condition of the road.
49)The PBA system cannot prevent
accidents, including those due to excessive
speed on corners, driving on low-grip
surfaces or aquaplaning.
50)The capability of the PBA system must
never be tested irresponsibly and
dangerously, in such a way as to
compromise the safety of the driver, the
other occupants of the vehicle or any other
road user.
51)The Hill Hold Control system is not a
parking brake; therefore, never leave the
vehicle without having engaged the electric
parking brake, turned the engine off and
engaged first gear, so that it is parked
in safe conditions (for further information
read the "Parking" paragraph in the
"Starting and driving" chapter).
52)There may be situations on small
gradients (less than 8%), with vehicle
laden, in which the Hill Hold Control system
may not activate, causing a slight reversing
motion and increasing the risk of collision
with another vehicle or object. The driver is,
in any case, responsible for safe driving.
53)DST is an aid for driving and does not
relieve the driver of responsibility for driving
the vehicle.
54)The performance of a vehicle with ERM
must never be tested in imprudent or
dangerous ways, with the possibility of
putting the safety of the driver or other
people at risk.
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The system activation is signalled to the
driver by means of a visual and
acoustic warning.
IMPORTANT If the sensors are covered
by objects or vehicles, the system will
not warn the driver.Operating modeThe system can be activated/
deactivated by operating on the display
Menu, or via theUconnect™system
(for further information see the
dedicated Supplement)."Blind Spot Assist", "Visual" modeWhen this mode is active, the BSA
system sends a visual warning to the
relevant door mirror, depending on the
detected object.
However, when operating in RCP
mode, the system sends visual and
acoustic warnings when the presence
of an object is detected.
When an acoustic warning is sent, the
Uconnect™volume is lowered."Blind Spot Assist", "Visual and
acoustic" modeWhen this mode has been activated,
the BSA system sends a visual warning
to the relevant door mirror, depending
on the detected object.If the direction indicator on the side
where an obstacle has been detected is
activated, an acoustic warning is
emitted as well.
When a direction indicator is active and
an object is simultaneously detected
on the same side, both the acoustic
and visual warnings are emitted. The
Uconnect™volume is also lowered.
During "RCP" operating mode, the
system sends acoustic and visual
warnings if the presence of an object is
detected. When an acoustic warning
is sent, theUconnect™volume is also
lowered.
"Blind Spot Assist" function
deactivationWhen the system is deactivated ("Blind
spot alert" mode at "OFF"), the BSA
or RCP systems will not emit neither
acoustic nor visual warnings.
The BSA system will store the operating
mode running when the engine was
switched off. Each time the engine
is started, the operating mode stored
previously will be recalled and used.IMPORTANT The system is an aid for
vehicle driving, it DOES NOT warn
the driver about incoming vehicles
outside of the detection areas. The
driver must always maintain a sufficient
level of attention to the traffic and
road conditions and for controlling the
trajectory of the vehicle.
FULL BRAKE CONTROL
SYSTEM
58) 59) 60) 61)22) 23) 24) 25) 26) 27) 28) 29) 30)
The vehicle can be equipped with the
"Full Brake Control" system. This is
a driving assistance system which
comprises a radar located behind the
front bumper fig. 57 and a camera
located in the central part of the
windscreen fig. 58.57
F1B0095C
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In the event of an imminent collision the
system intervenes by automatically
braking the vehicle to prevent the crash
or reduce its effects.
The system provides the driver with
acoustic and visual signals through
specific messages on the instrument
panel display.
The system may lightly brake to warn
the driver if a possible frontal accident
is detected (limited braking). Signals
and limited braking are intended to
allow the driver to react promptly,
in order to prevent or reduce the effects
of a potential accident.In situations with the risk of collision, if
the system detects no intervention
by the driver, it provides automatic
braking to help slow the vehicle and
mitigate the potential frontal collision
(automatic braking). If intervention
by the driver on the brake pedal
is detected but not deemed sufficient,
the system may intervene in order to
improve the reaction of the braking
system, therefore reducing vehicle
speed further (additional assistance in
braking stage).
Versions equipped with Start&Stop
system: at the end of the automatic
braking, the Start&Stop system will
activate as described in paragraph
"Start&Stop system" of the "Starting
and driving" chapter.
Versions with manual gearbox:at
the end of the automatic braking the
engine may stall and turn off, unless the
driver presses the clutch pedal.
Versions with automatic
transmission: at the end of the
braking, the latest stored gear
is engaged: the vehicle may therefore
restart after a few seconds from the
automatic stop.IMPORTANT Both on versions
equipped with manual gearbox and on
those with automatic transmission, after
the vehicle is stopped the brake
calipers may be locked for about 2
seconds for safety reasons. Make sure
you press the brake pedal if the vehicle
moves slightly forwards.
Activation/deactivationThe Full Brake Control system can be
deactivated (and then reactivated)
via theUconnect™system (see the
description in the dedicated
supplement).
The system can be deactivated even
with the ignition device at MAR.
IMPORTANT The system status can be
changed with vehicle at a standstill
only.
The Full Brake Control system can be
set to three activation levels through the
Uconnect™system:
❒System active: the system (if active),
in addition to the visual and acoustic
warnings, provides limited braking,
automatic braking and additional
assistance in braking stage, where the
driver does not brake sufficiently in
the event of a potential frontal impact;
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❒System partially active: the system (if
active) does not provide limited braking,
but guarantees automatic braking or
additional assistance in braking stage,
where the driver does not brake at all or
not sufficiently in the event of a
potential frontal impact. The visual and
acoustic warnings are deactivated,
and will not be provided;
❒System deactivated: the system
does not provide visual and acoustic
warnings, limited braking, automatic
braking or additional assistance in
braking stage. The system will therefore
provide no indication of a possible
accident.Activation/deactivationIf the Full Brake Control system has
been correctly activated with the
Uconnect™system, this will be active
each time the engine is started.
Following a deactivation, the system will
not warn the driver about the possible
collision with the preceding vehicle,
regardless of the setting selected with
theUconnect™system.
The system deactivation status will not
be stored when the engine is switched
off: if the system is deactivated when
the engine is switched off, it will be
active when it is next started.This function is not active at a speed
lower than 7 km/h or higher than 200
km/h.
The system is only active if:
❒it is correctly activated via the
Uconnect™system;
❒the ignition device is at MAR;
❒the vehicle speed is between 7 and
200 km/h;
❒the front seat belts are fastened.
Changing the system sensitivityThe sensitivity of the system can be
changed through theUconnect™
system menu, choosing from one of the
following three options: "Near", "Med"
or "Far". See the description in the
Uconnect™supplement for how to
change the settings.
The pre-set option is "Med". With this
setting, the system warns the driver
of a possible collision with the vehicle in
front when that vehicle is at a standard
distance, between that of the other
two settings.With the system sensitivity set to "Far",
the system will warn the driver of a
possible collision with the vehicle in
front when that vehicle is at a greater
distance, thus providing the possibility
of acting on the brakes more lightly and
gradually. This setting provides the
drivers with the maximum possible
reaction time to prevent a potential
accident.
With the option set to "Near", the
system will warn the driver of a possible
collision with the vehicle in front when
that vehicle is close. This setting offers
the driver a lower reaction time
compared to the "Med" and "Far"
settings, in the event of a potential
collision, but permits more dynamic
driving of the vehicle.
The system sensitivity setting is kept in
the memory when the engine is
switched off.
System limited operation signalIf the dedicated message is displayed,
a condition limiting the system
operation may have occurred. The
possible reasons of this limitation are
something blocking the camera view or
a fault.
If an obstruction is signalled, clean the
area of the windscreen indicated in
fig. 58 and check that the message has
disappeared.
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Low tyre pressureThe system warns the driver if one or
more tyres are flat by switching on
the
warning light on the instrument
panel and a warning message on
the display, along with an acoustic
signal. .
If the system does not recognise the
pressure value of one or more tyres, the
display will show dashes "– –"
This indication is displayed also when
turning the engine off and on again until
the RESET procedure is carried out.
Reset procedureThe iTPMS needs an initial "self-
learning" phase (with length depending
on the driving style and road conditions:
optimal conditions being driving on a
straight road at 80 km/h for at least 20
minutes) which starts when the RESET
procedure is carried out.
The RESET procedure must be carried
out:
❒whenever the tyre pressure is
modified;
❒when even only one tyre is changed;
❒when tyres are rotated/inverted;
❒when the space-saver wheel is fitted.Before carrying out the RESET
procedure, inflate the tyres to the rated
pressure values specified in the inflation
pressure table (see "Wheels" paragraph
in the "Technical specifications"
chapter).
If the RESET is not carried out, in all
above cases, the
warning light may
give false indications on one or more
tyres.
To carry out the RESET procedure, with
the vehicle stopped and the ignition
device at MAR, use the Main Menu as
follows:
❒go to "Vehicle info" and then to
"Reset tyre pressure"
❒press the "OK" and hold down (more
than 2 seconds)
❒the display will show the procedure
progress (with a graphic bar) till the
RESET is completed.
At the end of the RESET procedure the
display will show the "Reset saved"
message, indicating that the self-
learning has been started.
Working conditionsThe system is active for speeds above
15 km/h.In a few situations such as sporty
driving, particular conditions of the road
surface (e.g. icy, snowy, unsurfaced
roads...) the signalling may be delayed
or partial in detecting the contemporary
deflation of more than one tyre.
Under special conditions (e.g. vehicle
loaded asymmetrically on one side,
damaged or worn tyre, fitting the
space-saver wheel, fitting snow chains,
fitting different tyres on the axles) the
system may give false indications or be
temporarily deactivated.
If the system is temporarily deactivated
the
warning light flashes for about
75 seconds and then is continuously
on; at the same time, the display shows
a warning message.
This indication is displayed also after
the engine has been switched off and
then on again if the correct operating
conditions are not restored.
WARNING
57)The system is an aid for vehicle driving,
it DOES NOT warn the driver about
incoming vehicles outside of the detection
areas. The driver must always maintain a
sufficient level of attention to the traffic and
road conditions and for controlling the
trajectory of the vehicle.
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