17C-4
MR-372-J84-17C000$059.mif
V2
LPG 3000
Program No: AB
Vdiag No: 08/10GAS INJECTION
Fault finding - Introduction17C
4. FAULT FINDING PROCEDURE
Check the battery charge and the
condition of the fuses
Print the system fault finding log
(available on CLIP and in the MR or
Technical Note)
Connect CLIP
no
Dialogue with
computer?
yes
Read faults
no
Faults present
yes
Deal with present faults
Deal with stored faults
no
Is the cause still
present?Fault
solved
yes
See ALP No. 1
Conformity check
no
The cause is still
presentFault
solved
yes
Use fault finding charts (ALPs)
no
The cause is still
presentFault
solved
yes
Contact Techline with the
completed fault finding log
17C-99
MR-372-J84-17C000$944.mif
V2
17C
GAS INJECTION
Fault finding - Fault finding chart (ALP)
ALP 1 No dialogue with the computer
NOTESNone.
Check for a + 12 V battery feed on track H4 and a + 12 V after ignition feed (using the forced + after ignition
mode, see Introduction section) on track C2 of the LPG computer.
Repair if necessary.
Check the condition of the battery and the vehicle earths.
Repair if necessary.
Try the diagnostic tool on another vehicle.
–check the connection between the diagnostic tool and the diagnostic socket (lead in good condition),
–check fuse F5 (15 A) (for Mégane 2) and fuses F04 (10A) and F29 (15A) (for Logan).
Repair if necessary.
Check the insulation, continuity and the absence of interference resistance on the connections between:
LPG computer track H1
LPG computer track G1
LPG computer track B4Earth
Earth
track 7 of the diagnostic socket
Repair if necessary.
Use the diagnostic socket to check the following tracks:
Track 1
Track 16
Tracks 4 and 5+ After ignition
+ Battery
Earth
Repair if necessary.
AFTER REPAIRCheck using the diagnostic tool.
GAZ3000_V08_ALP1 / GAZ3000_V10_ALP1
LPG 3000
Program No: AB
Vdiag No: 08/10
MR-372-J84-17C000$944.mif
