2012 FIAT DOBLO COMBI check engine

149
KNOW
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VEHICLE
SAFETY
STARTING
AND
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WA R N I NG
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
SERVICING
AND
MAINTENANCE
TECHNICAL
SPECIFICA TIONS
INDEXA specific message is displayed on certain versions.
Under these conditions, the vehicle can continue trav-
elling at moderate speed without demanding excessive
effort from the engine. Prolonged use of the vehicle
with the warning light on may cause damage. Go to a
Fiat Dealership as soon as possible.
The warning light goes out after the fault disappears,
but the notification is stored in the system.
❒ flashing: this indicates possible damage to the catalytic
converter (see “EOBD system” in the “Dashboard and
controls” section).
If the light flashes, come off the accelerator pedal to re-
duce engine revs until the warning light stops flashing;
continue the journey at moderate speed, trying to avoid
driving conditions that may cause further flashing, and
get to a Fiat Dealership as soon as possible.
INJECTION SYSTEM FAILURE
(Multijet versions – amber)
EOBD ENGINE MANAGEMENT
SYSTEM FAILURE
(petrol versions – amber)
Injection system failure
Under normal conditions, turning the ignition key to MAR,
the warning light turns on but it should go off after the en-
gine starts. If the warning light stays on or comes on when
travelling, it means there is a fault in the injection system
which could cause loss of performance, poor handling and
high fuel consumption levels.
A specific message is displayed on certain versions.
Under these conditions, the vehicle can continue travel-
ling at moderate speed without demanding excessive ef-
fort from the engine. In any case, you should go to a Fiat
Dealership as soon as possible.
EOBD engine management system failure
Under normal conditions, turning the ignition key to MAR,
the warning light turns on but it should go off after the en-
gine starts.
This indicates that the warning light is working correctly.
If the warning light either stays on or comes on during
your journey:
❒ on permanently: this means there is a fault in the sup-
ply/ignition system which could cause high exhaust
emissions, loss of performance, poor handling and high
fuel consumption levels.
U
Go to a Fiat Dealership as soon as possi-
ble if warning light
Udoes not light up
when the key is turned to MAR or if, while
travelling, the warning light comes on either per-
manently or flashing (along with a message on the
display on certain versions). The operation of the
Uwarning light may be checked by traffic police
using appropriate equipment. Respect the regula-
tions in force in the country where you are driving.

150
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WARNING
LIGHTS AND MESSAGES
IN AN
EMERGENCY
SERVICING AND
MAINTENANCE
TECHNICAL
SPECIFICA TIONS
INDEX
FUEL RESERVE (amber)
When the ignition key is turned to MAR, the
warning light turns on but should go off after a few
seconds.
The warning light turns on when 8-10 litres of fuel are
left in the tank.
IMPORTANT The warning light will blink to indicate a sys-
tem failure. If this happens, go to a Fiat Dealership to have
the system checked.
DPF (PARTICULATE FILTER)
CLEANING IN PROGRESS
(only Multijet versions with DPF
– amber)
When the ignition key is turned to MAR, the warning light
turns on but should go off after a few seconds. The warn-
ing light stays on constantly to notify the driver that the
DPF system needs to eliminate captured pollutants (par-
ticulate) by the regeneration process.
The warning light does not come on during every DPF
regeneration, but only when driving conditions require no-
tification to the driver.
The warning light will go off if the vehicle stays in motion
until regeneration has been completed. The process nor-
mally takes about 15 minutes. Optimum conditions for
completing the process are achieved by travelling at
60 km/h with engine revs above 2000 rpm.
If this warning light comes on, it does not mean the vehi-
cle is defective, so there is no need to take it to a garage.
A specific message will appear on the display when the
warning light comes on (for versions/markets where pro-
vided).
h
ç
Always drive at a speed appropriate to the
traffic conditions, the weather and speed
limits. The engine may be turned off while the DPF
light is on; however, repeated interruption of the re-
generation process may result in premature degra-
dation of the engine oil. For this reason, it is always
advisable to wait for the light to go off before turn-
ing off the engine, following the instructions ap-
pearing above. It is recommended to complete DPF
regeneration with the vehicle stationary.
WARNING

166
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TECHNICAL
SPECIFICA TIONS
INDEX
F0V0096mfig. 144F0V0097mfig. 145
❒ if in this case a pressure of at least 1.8 bar is not reached
within five minutes of switching on the compressor, do
not continue driving because the tyre is too damaged
and the hold cannot be guaranteed. Contact
a Fiat Dealership
❒ if you do reach the tyre pressure specified in the “Cold
tyre pressures” paragraph of the “Technical specifica-
tions” section, continue your journey immediately;
❒
make sure that switch E-fig. 145 of the compressor is
in position 0 (off), start the engine, insert plug D-fig.
144 into the socket and activate the compressor by
turning switch E-fig. 145 to position I (on). Inflate the
tyre to the pressure specified in the “Cold tyre pres-
sures” paragraph in the “Technical specifications” sec-
tion. For a more accurate reading, check pressure
gauge F-fig. 145 with the compressor off;
❒ if a pressure value of a least 1.5 bar is not reached with-
in five minutes, disconnect the compressor from the
valve and socket, move the vehicle forwards by about
10 metres to distribute the sealant fluid within the tyre
and repeat the inflation procedure;

167
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YOUR
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SAFETY
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AND
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WARNING
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IN AN
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SERVICING
AND
MAINTENANCE
TECHNICAL
SPECIFICATIONS
INDEX
F0V0098mfig. 146
❒ If you get a pressure reading of at least 1.8 bar, restore
the proper pressure (with engine running and handbrake
on) and continue your journey.
❒ drive with the utmost care to the nearest Fiat Dealer-
ship.
❒
after driving for about 10 minutes, stop and check the
tyre pressure again; remember to put the handbrake
on;
Apply the adhesive label where it can be
easily seen by the driver as a reminder that
the tyre has been treated with the quick repair kit.
Drive carefully, particularly on bends. Do not ex-
ceed 80 km/h. Do not accelerate or brake sud-
denly.
WARNING
If the pressure has fallen below 1.8 bar, do
not drive any further: the automatic
Fix&Go quick tyre repair kit cannot guarantee
proper hold because the tyre is too damaged.
Contact a Fiat Dealership.
WARNING
Remember to inform the workshop that
the tyre has been treated with a quick re-
pair kit. Give the instruction booklet to the per-
sonnel charged with handling the treated tyre.
WARNING

181
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AND
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TECHNICAL
SPECIFICATIONS
INDEX
F0V0088mfig. 173
CHANGING A FUSE
GENERAL INFORMATION
The fuse is a protective device for the electric system: it
operates if there is a fault or improper intervention in the
system.
Check the state of the corresponding fuse when a device
does not work: the filament A-fig. 173 should be intact.
If it is not, replace the blown fuse with a new one of the
same amperage (same colour).
B intact fuse.
Cfuse with damaged filament.
To change a fuse, use the tweezer D located in the tool
box or the Fix&Go container (for versions/markets where
provided).
If the same fuse blows again, contact
a Fiat Dealership.
WARNING
Never replace a damaged fuse with metal
wires or other recycled material.
Do not replace one fuse with another of
greater amperage; FIRE HAZARD.
If a general protection fuse (MEGA-FUSE, MIDI-
FUSE) is activated, contact a Fiat Dealership.
Remove the key from the ignition and switch off
or disable all electrical devices before replacing
a fuse.
WARNING
To identify the protective fuse, see the tables on the fol-
lowing pages.
If a general protection fuse for safety sys-
tems (air bag system, braking system),
power unit systems (engine system, transmission
system) or steering system is triggered, contact a
Fiat Dealership.
WARNING

193
KNOW
YOUR
VEHICLE
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
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IN AN
EMERGENCY
SERVIC
ING
AND
MAINTENANCE
TECHNICAL
SPECIFICA TIONS
INDEX
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Thousands of kilometres 30 60 90 120 150 180
Months 24 48 72 96 120 144
Inspect the conditions of toothed timing drive belt
Replace spark plugs (▲)
Replace accessory drive belt(s)
Replace toothed timing belt (*)
Replace air filter cartridge
Check and, if necessary, top up fluid levels (brakes/hydraulic
clutch, windscreen washer, battery, engine coolant, etc.)
Check engine management system operation
(through diagnostic socket)
Check cleanliness of sliding side door lower guides
(or every 6 months)
Change engine oil and replace oil filter (**)
Change brake fluid (or every 24 months)
Replace pollen filter (or every 24 months)
(*) Regardless of distance covered, the timing belt must be replaced every f\
our years in the case of particularly demanding use (cold cli-
mate, city traffic, long idling) or at least every five years in all ot\
her cases.
(**) If the vehicle annual mileage is less than 10,000 km, the engine oil and\
filter must be replaced every 12 months.
(
▲) For 1.4 Turbo Petrol versions, in order to guarantee correct operatio\
n and prevent serious damage to the engine, it is essential to
observe the following: - only use spark plugs specifically certified for these engines; all spa\
rk plugs should be of the same type and brand (see the “Engine”
paragraph in the "Technical Specifications" chapter);
- strictly comply with the replacement interval recommended for the plug\
s in the Scheduled Servicing Plan;
- it is advisable to contact a Fiat Dealership for plug replacement.

194
KNOWYOUR
VEHICLE
SAFETY
STARTING AND
DRIVING
WARNING
LIGHTS AND MESSAGES
IN AN
EMERGENCY
SERV IC
ING
AND
MAINTENANCE
TECHNICAL
SPECIFICA TIONS
INDEX
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DIESEL VERSIONS WITHOUT DPF (1.3 Multijet – 1.6 Multijet)
Thousands of kilometres 30 60 90 120 150 180
Months 24 48 72 96 120 144
Check tyre conditions/wear and adjust pressure if required
Check operation of lighting system (headlamps, direction indicators,
hazard warning lights, luggage compartment, passenger compartment,
glove compartment, instrument panel warning lights, etc.)
Check operation of windscreen wiper/washer system
and adjust nozzles if necessary.
Check position/wear of the windscreen wiper blades.
Check condition and wear of front disc brake pads and brake
pad wear indicator
Check condition and wear of rear drum brake linings
Visually inspect the conditions of: bodywork,
underbody protection, pipes and tubes
(exhaust – fuel – brakes), rubber parts
(boots, sleeves, bushes, etc.)
Check cleanliness of bonnet and boot locks, as well as cleanliness
and lubrication of linkages
Check and, if necessary, top up fluid levels (brakes/hydraulic clutch, \
windscreen washer, battery, engine coolant, etc.)
Check tension of accessory drive belt
(versions without automatic tensioner)
Check the handbrake lever stroke and adjust it, if necessary.
Visually inspect the condition of accessory drive belt(s).
Check exhaust gas emissions/smokiness.

195
KNOW
YOUR
VEHICLE
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
SERVIC
ING
AND
MAINTENANCE
TECHNICAL
SPECIFICA TIONS
INDEX
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Thousands of kilometres 30 60 90 120 150 180
Months 24 48 72 96 120 144
Check engine management system operation (via diagnostic socket)
Check cleanliness of sliding side door lower guides
(or every 6 months)
Replace accessory drive belt(s)
Replace toothed timing belt (*)
(1.6 Multijet version)
Replace fuel filter
Replace air filter cartridge
Change engine oil and replace oil filter (or every 24 months)
Change brake fluid (or every 24 months)
Replace pollen filter (or every 24 months)
(*) Regardless of distance covered, the timing belt must be replaced every f\
our years in the case of particularly demanding use (cold
climate, city traffic, long idling) or at least every five years in all\
other cases.