check engine SUZUKI ALTO 2012 7.G CNG Manual

1
FOR VEHICLES FITTED WITH CNG FUEL SYSTEM
68PH0-74E
INTRODUCTION TO CNG:
CNG (Compressed Natural Gas) is princi-
pally constituted by methane. CNG is con-
sidered as clean burning fuel. Due to low
density of CNG, it is compressed at a pres-
sure of around 200 bars to enhance the
vehicle on-board storage capacity.
SAFETY PRECAUTIONS (Do’s)
1. If any service or body repair is to becarried out, turn the manual shut off
valve on CNG cylinder valve to close
position prior to commencement of
there pair work.
2. Get the CNG cylinder checked every
three (3) years from the date of last
testing / retesting of cylinder by govern-
ment authorized CNG cylinder testing
agency.
3. If the vehicle does not changeover to CNG in AUTO MODE, then have your
vehicle checked by Maruti Suzuki
authorized workshop at the earliest.
4. Switch “OFF” engine while fuel filling
(CNG/Petrol).
5. After refueling CNG or Petrol, ensure that the fuel filler lid is closed. (Other-
wise vehicle cannot be started)
6. In AUTO MODE, It is programmed to start the vehicle in petrol and automati-
cally shift to CNG based on the engine
temperature etc. Do not press the
accelerator pedal to change from petrol
to CNG.
SAFETY PRECAUTIONS (Don’ts):
1. Do not change/modify the configura-tion, settings or the components from
CNG system.
2. The CNG cylinder should not be repaired under any circumstances, in
case of any problem, consult with
Maruti Suzuki authorized workshop.
3. Do not adjust se tting of CNG system.
4. Never install LPG or any other gas cyl-
inder in place of CNG cylinder.
5. Avoid carrying inflammable material near the CNG cylinder.
6. Do not fill any other type of gas other than CNG.
7. Do not press the accelerator pedal to
change from petrol to CNG MODE.
CAUTION
In case of any symptom of CNG leak-
age or releasing noise or any external
damage to CNG piping or during
accident, do not panic.
• Stop the vehicle and switch offthe engine, roll down the win-
dows and open all the doors
• Ensure to close manual shut off valve.
• Contact Maruti Suzuki authorized
workshop immediat ly for further
assistance.

6
FOR VEHICLES FITTED WITH CNG FUEL SYSTEM
68PH0-74E
MANUAL SHUT-OFF VALVE
53MHMC010
Manual shut-off valve (2) is located on the
left hand side of the CNG cylinder.
MANUAL SHUT-OFF VALVE
OPERATION
53MHMC011
CNG supply can be switched off by closing
the manual shut-off valve.
Valve closing: Turn the knob completely
in clockwise direction to close the CNG
supply to Engine.
Valve opening: Turn the knob completely
in anti-clockwise direction to open the
CNG supply to Engine.
NOTE:
• If the manual shut-off valve is not
opened fully, then the engine may not
run properly.
• If the manual shut-off valve is in closed
condition, it is not possible to fill CNG
into the cylinder.
NOTE:
• As per Government regulation, CNG cyl- inder needs to be checked and certified
every three (3) years from the date of ini-
tial testing as mentioned on the CNG
cylinder identification plate.
• Customer has to present the vehicle to a government approved testing agency.
• Failure to test the cylinder may result in
denying of CNG filling by the CNG dis-
pensing stations or may result in confis-
cating the vehicle by enforcement
authorities.
• All the expenses for CNG cylinder test- ing has to be borne by the customer.
• As per Government regulation, CNG cyl- inder has to be discarded at 20 years
from the date of in itial testing as men- tioned in the CNG cylinder identification
plate.
• Customer has to discard the cylinder at his / her expense through government
approved scrap agencies.
• No person shall refill any cylinder, which has been repaired under sub-rule (2)
with any gas unless a full report on the
repairs and test carried out on the cylin-
der, accompanied by the repairer's certif-
icate of testing are furnished to the Chief
Controller and his permission is obtained
for its refilling.
OPENOMBCN G
onl yCLOSE(2)
12Open
Close
WA R N I N G
• Never remove the cylinder valve
from the cylinder assembly. For
any assistance consult Maruti
Suzuki authorized workshop.
• Never try to clean the cylinder. In case of any problem, contact
Maruti Suzuki au thorized work-
shop.
• Do not reuse the cylinder valve,
once it is replaced / removed from
cylinder assembly.
•Even if the CNG from the cylinder
is consumed till engine stops,
some amount of CNG will be left
out in the tank under pressure.

8
FOR VEHICLES FITTED WITH CNG FUEL SYSTEM
68PH0-74E
INSTRUMENT CLUSTER
Ty p e 1
53MHMC014
Ty p e 2
53MMMC001
CNG MALFUNCTION WARNING
LAMP
53MHMC015
When the ignition switch is turned "ON",
this CNG malfunction warning lamp comes
on briefly, to check that the CNG malfunc-
tion lamp is trouble free.
• If CNG malfunction warning lamp glows continuously, with ignition "ON" there is
some problem with the CNG system.
Immediately get your vehicle checked by
Maruti Suzuki authorized workshop.
• If CNG malfunction warning lamp blinks during engine running, it means there is
some problem in CNG system in which
vehicle cannot continue running in CNG-
MODE and automatically switchover to
petrol mode. Have y our vehicle checked
at Maruti Suzuki authorized workshop.
NOTE:
With ignition switch "ON" and engine not
running, blinking of CNG lamp indicates
that fuel lid is open. Vehicle will not start in
this condition. Close the lid in order to start
the vehicle.
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(1) Speedometer
(2) Odometer / Tripmeter
(3) Odometer / Tripmeter selector knob
(4) Fuel indica
tor (Petrol) (5) Fuel indicator (CNG)
(6) CNG malfunction warning Indicator lamp
(7) Other warning and indicator lamps
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