Section 08
ENGINE MANAGEMENT (4-TEC)
Subsection 04
(DIAGNOSTIC PROCEDURES)
SMR2003-028 _08-04A.FM
08-04-5
4-TEC SYSTEM FAULT CODES
General
The faults registered in the MPEM/EMS ECU are
kept when the battery is disconnected.
IMPORTANT:
After a problem has been solved,
ensure to clear the fault(s) in the MPEM/EMS ECU
using the VCK. This will properly reset the appro-
priate counter(s). This will also records that the
problem has been fixed in the MPEM/EMS ECU
memory.
Many fault codes at the same time is likely to be
burnt fuse(s).
For more information pertaining to the code faults
(state, count, first, etc.) and report, refer to B.U.D.S.
online help.
Supplemental Information for Some
Specific Faults
Communication link fault code 1681:
Sometimes
the information center does not synchronize fast
enough for the MPEM. That brings this fault code.
Simply clear the fault and try again.
EMS ECU fault codes P0601, P0602, P0604 and
P605:
These codes may occur in the following sit-
uations:
– Electrical noise is picked up by the EMS ECU.
Ensure that all connections are in good condi-
tion, also grounds (battery, EMS ECU, engine
and ignition system), they are clean and well
tightened and that all electronic components
are genuine — particularly in the ignition sys-
tem. Installing resistive caps, non-resistive
spark plugs or improper knock sensor wir-
ing/routing may lead to generate this fault code.
– Electrical noise might also lead engine to occa-
sional cutout without generating a fault code
when engine is restarted. When looking at the
fault code, pay attention to the “count” value in
the software B.U.D.S. A value between 1 and 9
confirms an electrical noise problem. A value of
10 and above will generate a fault code.
– When installing a new EMS ECU. It is not proper-
ly programmed from the factory. The EMS ECU
must be returned to be properly “activated”.
– If everything is in good condition, try a new EMS
ECU.
When using the service action suggested in the
Fault section of B.U.D.S., the system circuits are
referred as 4-23 for instance. It means Amp con-
nector no. 4 and the circuit wire no. 23 as found in
the wiring diagram.
When they are referred as A-41, it means connec-
tor “A” on the EMS ECU and the circuit 41.
TPS (Throttle Position Sensor) Faults
Faults which are reported in B.U.D.S. fall into two
groups TPS faults and adaption faults. These are
displayed on the B.U.D.S. system as TPS OUT OF
RANGE and TPS ADAPTION FAILURE.
www.SeaDooManuals.net
Содержание 2003 GTI LE RFI
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Страница 775: ...F00Z0F 2003 GTX 4 TEC MODEL WARNING www SeaDooManuals net ...
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