FIAT GRANDE PUNTO 2008 199 / 1.G LPG Supplement Manual

11
FIAT PUNTO LPG
PAPER FILTER
The filter fig. 5, located on the pressure
regulator outlet pipe, has the task of fil-
tering the LPG in a gaseous state during
the LPG injectors supply stage.
fig. 5F0M0476m
LPG INJECTORS
There are four injectors fig. 6, specially
designed for LPG, mounted on the intake
manifold near the cylinder head, one for
each inlet duct; they are supplied with LPG
in a gaseous state at a constant pressure
and are controlled by a specific electron-
ic control unit.
A gas pressure and temperature sensor
that sends an appropriate electrical signal
in order to determine the LPG injection
time is fitted on the injectors.
fig. 6F0M0477m
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 11

12
FIAT PUNTO LPG
ELECTRONIC CONTROL
UNIT
The vehicle has a dedicted electronic con-
trol unit for the LPG system; it uses the
incoming signals from the petrol injection
control unit and converts them into sig-
nals for the injection of the LPG.
The control unit for the injectors has the
same strategy as the petrol control unit
(phased, sequential, multipoint).
LPG/PETROL SWITCH
The LPG/petrol switch fig. 7is located on
the protective fuse flap (left side of the
dashboard) and includes:
A. LPG/petrol operating mode request
button;
B. LPG gauge: 5 LEDs, 4 green and 1 red
to indicate the reserve. The red LED on-
ly comes on when the last green LED goes
out.
The red LED indicates the reserve con-
dition;
ON. LPG operating mode indicator:
green LED, located under button A, on
constantly;
OFF. petrol operating mode indicator:
yellow LED, located above button A, on
constantly.
IMPORTANT When the ignition key is
turned to the MARposition the LEDs on
the ignition switch come on in accordance
with the following logic:
– with the petrol operating mode se-
lected: yellow OFFLED on;
– with the LPG operating mode se-
lected: all the LEDs in the switch are on
constantly and the green ONLED is flash-
ing. To select the type of fuel system desired
(LPG or petrol), press the button A-fig.
7.
To change the type of fuel system, it is ad-
visable to operate the button with the ve-
hicle stationary and the engine running or
,whilst driving, after having released the
accelerator.
If the switching takes place during accel-
eration or pick-up, there may be a brief
flat spot (fall in power).
fig. 7F0M0478m
Do not switch between the
two operating modes whilst
starting the engine.
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 12

13
FIAT PUNTO LPG
Switching from petrol to LPG
When running on petrol: press the button
A-fig 7, the switch to LPG will take place
automatically at the first significant accel-
eration.
During switching:
– the LPG gauge Bcomes on;
– the yellow OFFLED goes out (petrol
operating mode);
– the green ONLED comes on switch-
ing from intermittent to on constantly
(LPG operating mode);
There is a series of 5 LEDs B(1 red and
4 green) on the left side of the switch that
display the amount of LPG in the tank.
When the amount of LPG remaining goes
below about 1/5 of the capacity of the
tank, only the red (reserve) LED remains
on to signal the need for refuelling.
IMPORTANT In the case of starting at
outside temperatures of below -10°C, the
switching times from petrol to LPG in-
crease to allow the pressure regulator to
become warm enough.IMPORTANT The buzzer warns the dri-
ver that the engine is running on petrol;
therefore they must refuel with LPG be-
fore it runs out.
It is possible to deactivate the buzzer by
pressing switching button A.
Do not switch between the
two operating modes whilst
starting the engine.Switching from LPG to petrol
When running on LPG: press the button
A-fig. 7.
During switching:
– the LPG gauge Bgoes out;
– the yellow OFFLED comes on con-
stantly (petrol operating mode);
– the green ONLED goes out (LPG op-
erating mode).
LPG used up
If the LPG runs out, switching to petrol
takes place automatically with:
– the yellow OFFLED on constantly;
– the green ONLED flashing;
– an acoustic warning from the switch
buzzer (fast frequency).
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 13

14
FIAT PUNTO LPG
FUEL CUT-OFF SYSTEM
In the case of an impact to the vehicle, the
petrol supply is immediately cut off caus-
ing the engine to cut out and, as a result,
the LPG safety solenoid valves to close.
For further information, see the “Fuel cut
off system” paragraph in the “Dashboard
and Controls” chapter in the Owner
Handbook.
STARTING
THE ENGINE
The engine is always started on petrol
even with the switch in the LPG position
(green LED flashing, yellow LED on con-
stantly) and switches automatically soon
after.
There must always be some petrol in the
tank to protect the petrol pump.
To carry out the starting manoeuvre cor-
rectly, see the warnings and advice in the
Owner Handbook under the chapter
“Starting the engine” enclosed with this
Supplement.
In this condition it is possible
to continue driving running on
petrol (excluding the LPG fu-
el system). To stop the
buzzer, press button A: the green ON
LED will go out and the yellow OFF
LED will remain on constantly. Go to a
Fiat Dealer as soon as possible to have
the system checked.
System failure signalling
The car has an autodiagnostic system ca-
pable of signalling any malfunctions in the
LPG fuel system through the green ON
LED fig. 7flashing. In the case of faults
that could affect the correct operation of
the engine, the LPG control unit will au-
tomatically switch from LPG operation to
running on petrol.
This condition will be shown by:
– the yellow OFFLED on constantly;
– the green ONLED flashing;
– an acoustic warning from the switch
buzzer (slow frequency).
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 14

15
FIAT PUNTO LPG
AT THE FILLING
STATION
LPG filler
The gas filler is located next to the petrol
filler cap. It has a one-way valve, located
in the actual filler body.
To access the filler B-fig. 8, open the ac-
cess flap Aand undo the cap C.
Observe the following precautions during
the refuelling operation:
– switch off the engine;
– apply the handbrake;
– turn the ignition key to the STOPpo-
sition;
– do not smoke;
– hand the special adaptor over to the
qualified LPG refuelling personnel.
IMPORTANT Before refuelling with LPG,
the qualified personnel should make sure
that the adapator is correctly tightened
onto the filler fitting.
IMPORTANT Depending on the country,
there are two types of adaptors for refu-
elling pumps. The adaptor that comes with
the car in a special case is specifically de-
signed for the country in which the car is
sold. If you are in a different country, find
out what type of adapator is used there.
WHEELS
Wheel repair
The car does not have a spare wheel but
comes with a quick tyre repair kit known
as Fix&Go.
The kit is located on the left side of the
luggage compartment and is fastened by
velcro.
See the instructions in the booklet that
this supplement comes with.
The tool box fig. 9is located under the
driver’s seat and fastened by velcro.
FUSE REPLACEMENT
The LPG system components are pro-
tected by a 20A fuse F81 (power supply +
battery) installed, depending on the ver-
sion, near the battery or in the engine
compartment junction unit and a 5A fuse
F16 (power supply + ignition) in the en-
gine compartment junction unit.
For all the other fuses, consult the Own-
er Handbook that this supplement comes
with.
fig. 8F0M0479m
fig. 9F0M0480m
IMPORTANT Only use LPG for mo-
tor vehicles.
IMPORTANT Look after the LPG
adapator carefully so that it does not
get damamged.
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 15

16
FIAT PUNTO LPG
SCHEDULED SERVICING PLAN
Additional operations to the Servicing Plan in the Owner Handbook.
Thousands of kilometres
Visually inspect the condition of: LPG piping and connectors and
LPG tank fastening
Replacement of filter inside the pressure regulator
Paper filter replacement (LPG in gaseous state)
Check operation and parameters of fuel supply system
using autodiagnostic socket
Check mechanical tappet clearance and restore if necessary30 60 90 120 150 180
●●●●●●
●●
●●●●●●
●●●●●●
●●●●●●
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 16

17
FIAT PUNTO LPG
ENGINE
ENGINE CODE - BODYWORK VERSIONS
IDENTIFICATION PLATE (STAGE 2)
Following the installation of the LPG system components, a plate (Stage 2) is fitted to the left side of the luggage compartment rear
floor, that contains the following information:
– Name of manufacturer;
– Homologation number (Stage 2);
– Vehicle type identification codes;
– Vehicle weights;
– Engine type;
– Bodywork version code.
Engine code Bodywork version
3 door/4 seater 3 door/5 seater 5 door/5 seater
1.4350A1000 199AXB1A G02L 199AXB1A G02H 199AXB1A G03G
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 17

18
FIAT PUNTO LPG
LPG FUEL SYSTEM
Electronic injection with special LPG injec-
tors.
Type: Phased, sequential, multipoint.
Stoichiometric metering of the air/gas mix-
ture.
Engine idle speed:
700 ± 50 rpm
The LPG injection system is controlled by
a dedicated control unit (connected to the
petrol one) using the sensors already on
the car.
IGNITION
Static advance, electronic, integrated with
the injection.
PERFORMANCE
Top speed in km/h.
Running on petrol: 165
Running on LPG: 165
Modifications or repairs to
the fuel feed system that are
not carried out properly or do not
take the system’s technical specifica-
tions into account can cause mal-
functions leading to the risk of fire.
WARNING
INTRODUCTION 1.4
Engine identification code 350A1000
Cycle Otto
Number of cylinders and position 4 in line
Piston diameter and stroke mm 72 x 84
Total capacity cm31368
Compression ratio 11.1 : 1
LPG Petrol
kW 57 57
Max power CEE bhp 77 77
at a speed of rpm 6000 6000
Nm 115 115
Max torque CEE kgm 11.7 11.7
at a speed of rpm 3000 3000
Spark plugs NGK ZKR7A-10
Fuel
LPGGreen petrol
unleaded
95 RON
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 18

19
FIAT PUNTO LPG
WEIGHTS
(1) In the presence of optional equipment the unladen weight increases and, as a result, the payload decreases in relation to the max-
imum permitted loads.
(2) Loads not to be exceeded. The user is responsible for arranging goods in the luggage compartment and/on load carrying plat-
form within the maximum permitted loads.
Weights (kg) for versions
Unladen weight (with all fluids, fuel tank
filled to 90% and without optional equipment):
Payload including the driver (1):
Maximum permitted loads (2)
– front axle:
– rear axle:
– total:
Towable loads
- braked trailer:
- non braked trailer:
Maximum permitted load on the roof:
Maximum load on the ball:1.4
3 door 3 door 5 door
4 seater 5 seater 5 seater
1025 1025 1040
480 560 560
850 850 850
850 850 850
1505 1585 1600
1000 1000 1000
400 400 400
75 75 75
60 60 60
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 19

20
FIAT PUNTO LPG
F0M0369m
DIMENSIONS
fig. 10
Trim level A B C D E F G H
1.44030 875 2510 645 1490 147316871466 Dimensions are expressed in mm and re-
fer to the vehicle equipped with its origi-
nal tyres.
Height is measured with vehicle unladen.
604.39.942 Grande Punto GPL GB.qxp:603.39.944 Grande Punto GPL IT 15-12-2008 9:01 Pagina 20