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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1132
Section 05 ENGINE MANAGEMENT (2-TEC)
Subsection 02 (DIAGNOSTIC PROCEDURE)
F18H0WA
kW2000
ONE MODULE IS CONNECTED
If an “X” is shown, this means that no communi-
cation between the MPI and the ECM is possible.
In this case possible causes are:
– ECM is not powered-up
– wrong protocol is used
– bad connection between MPI and module.
ECM Supply
To power-up the ECM, push the START button
shortly while the engine cut-out switch is de-
pressed and the tether cord cap installed on
DESS post. If your intention is to program the
vehicle key, use GRAY diagnostic key (P/N 529
035896)onDESSpost.
The supply cable (P/N 529 035 869) may also be
used. Just the fact to connect it between MPI and
vehicle will power-up the ECM.
VCK Supply
The VCK (MPI box) can use the vehicle power for
its supply. Four AA batteries or an AC/DC power
supply can also be used. Make sure to respect
MPI specification if a power supply is used.
Writing in ECM
When writing in ECM through B.U.D.S., there
will be an “EMS Tracking” message that will say
“Remove key from vehicle“. When this occurs,
remove the tether cord cap from its post and wait
until the message disappears (it lasts approxi-
mately 15 seconds after tether cord cap removal).
2-TEC SYSTEM FAULT CODES
General
The faults registered in the ECM (engine control
module) are kept when the battery is disconnect-
ed.
IMPORTANT: After a problem has been solved,
ensure to clear the fault(s) in the ECM using
the VCK. This will properly reset the appropriate
counter(s). This will also record that the problem
has been fixed in the ECM 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
– Electrical noise is picked up by the ECM. Ensure
that all connections are in good condition, also
grounds (battery, ECM, engine and ignition sys-
tem), they are clean and well tightened and that
all electronic components are genuine — partic-
ularly in the ignition system. Installing non-re-
sistive spark plugs may lead to generate fault
code.
– Electrical noise might also lead engine to occa-
sional cutout without generating a fault code.
– If everything is in good condition, try a new
ECM.
When using the service action suggested in the
FAULT section of B.U.D.S., the system circuits are
referred to as DA-41, which means connector “A”
on the ECM and the circuit D41.
mmr2005-030 267
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