2012 FIAT DUCATO engine

82
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
F0N0048mfig. 85
ELECTRICAL POWER SUPPLY AND
FUEL CUT OFF SWITCH
The vehicle is fitted with a safety switch that, in the
event of a crash, comes into operation by cutting off the
fuel supply and turning off the engine as a consequence.
When the inertia switch cuts in, this cuts off the fuel
supply and also activates the hazard warning lights, side
lights and courtesy lights while releasing all the doors
and displaying a message; they are deactivated by
pressing button A. An additional safety switch is also
present that is activated in the event of impact to cut off
the electrical supply. In this way, fuel is prevented from
escaping if the pipes are broken as well as the formation
of sparks or electrical discharges following damage to
the vehicle electrical components.
IMPORTANT After an accident, remember to remove
the key from the ignition device to avoid draining the
battery.
If no fuel leaks or damage to vehicle electrical
devices (e.g. headlights) are detected after the impact and the
vehicle is able to set off again, reactivate the automatic fuel
cut off and electrical supply switches (
for versions/markets
where provided)
following the procedure described below.
If, after a crash, you smell fuel or see
leaks from the fuel system, do not reset
the switches to avoid the risk of fire.
WARNING
Reactivating the fuel cut-off switch fig. 85
Press the button A to reactivate the fuel cut off switch.

105
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
F0N0323mfig. 124F0N0065mfig. 125
CLOSURE
Proceed as follows:
❒hold the bonnet up with one hand and with the
other remove the rod C-fig. 126 from the housing E
and fit it back into its locking device D-fig. 125;
❒lower the bonnet to approximately 20 centimetres
from the engine compartment, then let it drop. Make
sure that the bonnet is completely closed and not
fastened only by the safety catch. If it is not perfectly
closed, do not try to press the bonnet lid down but
open it and repeat the procedure.
IMPORTANT Always check that the bonnet is closed
properly to avoid it opening while the car is travelling.
The bonnet must always be perfectly
closed while travelling for safety reasons.
Make sure that the bonnet is properly closed
and that the lock is engaged. If you notice
whilst driving that the lock is not perfectly
engaged, stop at once and close the bonnet
properly.
WARNING

110
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
ESP SYSTEM
(Electronic Stability Program)
(for versions/markets where provided)
This is an electronic system that controls vehicle
stability in the event of tyre grip loss, helping to maintain
directional control.
The ESP system is therefore particularly useful when
grip conditions of road surfaces change.
The MSR system (adjustment of the engine braking
torque during gear changes) and the HBA system
(automatic increase in the braking pressure during
emergency braking) are present with ESP, ASR and Hill
Holder systems (for versions/markets where provided).
SYSTEM INTERVENTION
This is signalled by the flashing of warning light
áin the
instrument panel, to inform the driver that the vehicle is
in critical stability and grip conditions.
SYSTEM ACTIVATION
The ESP system is automatically activated when the
vehicle is started and cannot be de-activated. BRAKE ASSIST (emergency braking assistance
integrated in ESP)
(for versions/markets where provided)
This system (which cannot be deactivated) recognises
emergency braking conditions according to the speed of
operation of the brake pedal and provides an additional
hydraulic braking pressure to support that provided by
the driver. This allows faster and more powerful
operation of the braking system.
The Brake Assist is deactivated on versions equipped
with ESP, in the event of an ESP system failure (indicated
by warning light
áswitching on together with the
message in the multifunction display, for
versions/markets where provided).
When the ABS intervenes and you notice
the brake pedal pulsating, do not be
afraid to keep the pedal pushed down. This will
help you to stop in the shortest distance
possible, depending on the road conditions.
WARNING

111
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
❒downhill: vehicle stationary on a road with a gradient
higher than 5%, engine running, clutch and brake
pedal pressed and reverse gear engaged.
At pickup the
ESPsystem control unit will maintain the
braking pressure at the wheels until the necessary torque
for starting is reached or, in any case, for a maximum of
2 seconds in order to move easily from the brake pedal
to the accelerator pedal. When two seconds have
elapsed, without starting, the system is automatically
deactivated, gradually releasing the braking pressure.
During this release stage, the typical brake
disengagement noise indicating that the vehicle is going
to move imminently will be heard.
Failure warning
The
áwarning light in the instrument panel will come
on in the event of a failure (see “Warning lights and
messages” section).
IMPORTANT The Hill Holder system is not a parking
brake; therefore, never leave the vehicle without having
engaged the handbrake, turned the engine off and
engaged first gear. FAILURE WARNING
In the event of a failure, the ESP will be automatically
switched off and the áwarning light will come on
constantly in the instrument panel along with a message
in the multifunction display (for versions/markets where
provided) (see “Warning lights and messages” section).
The LED in the ASR OFF button will light up. Contact
a Fiat Dealership as soon as possible if this happens.
Do not take unnecessary risks, even if
your vehicle is fitted with an ESP system.
Your driving style must always be suited to the
road conditions, visibility and traffic. The driver
is ultimately responsible for road safety.
WARNING
HILL HOLDER SYSTEM
This system is an integral part of the
ESPsystem and it is
provided to facilitate starting on hills.
It is automatically activated in the following conditions:
❒uphill: vehicle stationary on a road with a gradient
higher than 5%, engine running, clutch and brake
pedal pressed, gearbox in neutral or gear other than
reverse engaged;
For the correct operation of the ESP and
ASR systems, the tyres must absolutely be
the same make and type on all wheels, in perfect
condition and, above all, of the type, make and
size specified.
WARNING

112
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
MSR system
(engine braking torque control)
This is an integral part of the ASR system that, in the
event of a sudden gear down shift, cuts in and provides
torque to the engine thus preventing excessive drive
wheel drive which, especially in poor grip conditions,
can lead to a loss of stability. ASR SYSTEM (Antislip Regulator)
This is a traction control system that cuts in
automatically every time one or both drive wheels slip.
Depending on the slipping conditions, two different
control systems are activated:
❒if the slipping involves both drive wheels, the ASR
function intervenes by reducing the power
transmitted by the engine;
❒if the slipping only involves only one driving wheel,
the ASR system cuts in by automatically braking the
wheel that is slipping.
The action of the
ASRis particularly helpful in the
following circumstances:
❒slipping of the inner wheel when cornering due to
the effect of dynamic load changes or excessive
acceleration;
❒too much power transmitted to the wheels also in
relation to the conditions of the road surface;
❒acceleration on slippery, snowy or icy surfaces;
❒loss of grip on a wet surface (aquaplaning).
For the correct operation of the ESP and
ASR systems, the tyres must absolutely be
the same make and type on all wheels, in perfect
condition and, above all, of the type, make and
size specified.
WARNING

113
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
FAILURE WARNING
In the event of a failure, the ASR will be automatically
switched off and the áwarning light will come on
constantly in the instrument panel along with a message
in the multifunction display (for versions/markets where
provided) (see “Warning lights and messages” section).
The LED in the ASR OFF button will light up. Contact
a Fiat Dealership as soon as possible if this happens. Switching the system on/off fig. 129
The ASR system switches on automatically each time
the engine is started.
The ASR can be turned off and then turned back on
again whilst driving by pressing the switch A located in
the dashboard.
The switching off is shown by the LED in the switch
itself coming on together with a message shown in the
multifunction display, for versions/markets where
provided.
If the ASR is switched off when driving, it is
automatically switched on again when the vehicle is
started up.
F0N0077mfig. 129
Do not take unnecessary risks, even if
your vehicle is fitted with this system.
Your driving style must always be suited to the
road conditions, visibility and traffic. The driver
is ultimately responsible for road safety.
WARNING
When travelling on snowy roads with snow chains,
it may be helpful to turn the ASR off: in fact, in these
conditions, the driving wheels skidding when moving
off gives you better traction.

114
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
TRACTION PLUS SYSTEM
(for versions/markets, where provided)
Traction Plus is a help with driving and setting off in
poor grip conditions (snow, ice, mud, etc.) which allows
the drive force to be evenly distributed over the same
axle when both wheels are slipping.
In effect, Traction Plus acts by braking the wheels with
poor grip (or those slipping more than the others),
thereby transferring the drive force to those which have
more grip on the ground.
This function can be turned on manually by pressing the
T+ button fig. 130 on the dashboard and works below a
level of 30 km/h. Over this speed, it is automatically
deactivated (the LED on the button is still on) and it is
reactivated again when the speed is below 30 km/h.Traction Plus operation
The system is deactivated when starting up. To activate
the “Traction Plus” system, press the button
(T+ fig. 130): the LED on the button switches on.
The activation of the Traction Plus system involves the
following functions being switched on:
❒inhibition of the ASR function, in order to fully
exploit the engine torque;
❒the differential locking effect on the front axle,
through the braking system, to improve traction on
irregular grounds.
If the “Traction Plus” system is faulty, the “general
failure” instrument panel warning light ácomes on
steady.
F0N0509mfig. 130

115
KNOWING
YOUR CAR
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
MAINTENANCE
AND CARE
TECHNICAL
SPECIFICATIONS
INDEX
EOBD SYSTEM
The EOBD system (European On Board Diagnosis)
allows continuous diagnosis of emission-related
components on the vehicle.
It also alerts the driver, by turning on the
Uwarning
light on the instrument panel (together with a relevant
message in the multifunction display, for versions/
markets where provided) (see “Warning lights and
messages” section), when these components are no
longer in peak condition.
The goal of the system is to:
❒keep the system efficiency under control;
❒warn about increased emissions due to a vehicle
malfunction;
❒warn of the need to replace deteriorated
components.
The system also has a diagnostic connector that can be
interfaced with appropriate equipment, which makes it
possible to read the error codes stored in the control
unit together with a series of specific parameters for
engine operation and diagnosis. This check can also be
carried out by traffic control authorities.
IMPORTANT After eliminating the problem, to check
the system completely, Fiat Dealerships run a bench test
and, if necessary, road tests which may also call for
a long journey.
If, when the ignition key is turned to the
MAR-ON position, the Uwarning light
either does not come on or, when driving,
it comes on constantly or flashing (along with
a message in the multidirection display,
for
versions/markets where provided
) contact a Fiat
Dealership as soon as possible. The operation of
the warning light Umay be checked by the
traffic control authorities using specific devices.
Always comply with the traffic regulations in
force in the country where you are driving.