Ski-Doo Ski Doo MX Z 2005 [1124/1429] Engine management system ems

Ski-Doo Ski Doo MX Z 2005 [1124/1429] Engine management system ems
Section 05 ENGINE MANAGEMENT (2-TEC)
Subsection 01 (OVERVIEW)
A32C8QA
1
2
1. Fuel tank
2. Fuel pickups
In-Line Fuel Filter
The in-line 10 micron fuel filter is fastened under
the steering console. It comes as a complete as-
sembly.
A32C8RA
ENGINE MANAGEMENT
SYSTEM (EMS)
The EMS (Engine Management System) is
equipped with an ECM which controls the ig-
nition system, the vehicle electrical system, the
fuel injection system and the electronically con-
trolled RAVE.
A32E3AA
TYPICAL ECM
The ECM is directly powered by the battery. It
is responsible for the following engine manage-
ment/electrical functions:
interpreting information
distributing information
start/stop function
DESS (Digitally Encoded Security System)
ignition control
injection control
NOTE: The ECM applies the proper maps (injec-
tion and ignition) for optimum engine operation in
all conditions.
engine RPM limiter
RER(RotaxElectronicReverse)
etc.
The ECM features a permanent memory that will
keep the programmed tether cord cap(s) active,
fault codes and other vehicle information, even
when the battery is removed from the vehicle.
mmr2005-028 259

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