1G-7 Fuel System: LPG
Fuel Pump and Its Circuit Check
AENAR90A1704004
Refer to “Fuel Pump Control System Circuit Diagram”: LPG about circuit diagram.
Fuel Pressure Check
AENAR90A1704005
LPG System
CAUTION
!
Do not use special tools that had been used for a petrol fuel line. If petrol mixes in the LPG fuel line, it
could damage the LPG fuel injector.
System Diagram
Special tool
(A): 09912M58442
(B): 09912M58432
(C): 09912M56720
Troubleshooting
NOTE
Before using the following flow, check the manual valve of the tank valve is open.
9
10
11
5
7
8
2
(A)
(B)
(C)
1
3
6
4
5
IAR90A170004-01
1. LPG tank
4. Manual valve
7. LPG pressure sensor
10. MAP and temperature sensor
2. LPG Filler Valve
5. Shut-off valve
8. LPG pressure regulator
11. LPG fuel injector
3. LPG tank valve
6. LPG pressure gauge
9. LPG fuel delivery pipe
Step
Action
Yes
No
1
DTC check
1) Check DTC.
Is there DTC(s)?
Go to applicable DTC
troubleshooting and
recheck.
Go to Step 2.
2
LPG fuel feed line check 1
1) Check LPG fuel pipe, LPG fuel hose and joint for
damage or deformation.
Are they in good condition?
Go to Step 3.
Repair or replace
defective part.
3
Shut-off valve operation sound check
1) Select “Forced LPG MODE” and check operation sound
of shut-off valve of LPG tank valve and shut-off valve of
LPG pressure regulator.
Do all shut-off valves make operating sound?
Go to Step 4.
Replace LPG tank with
valve or LPG pressure
regulator.
Содержание Wagon R
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