2004 Ski-Doo Elite Factory Service Manual, Page 182Get this manual
Section 05 ENGINE MANAGEMENT Subsection 01 (OVERVIEW)
Ignition Coils
Three separate ignition coils induce voltage to high level in the secondary windings to produce spark at the spark plugThe ignition coils receive input from the ECM ECUEach coil provides high voltage to its corresponding spark plugThis ignition system allows spark plugs to spark independentlyNOTE: Ignition coil cables are not interchangeable due to different lengthsAll three ignition coils are located on the cylinder head directly on the spark plugsEngine Modes of Operation
The ECM ECU controls different operation modes of the engine to allow proper operation for all possible conditions: Cranking, start-up, idle, warm up, part load, full load, engine speed limiter and drowned engine
Fuel-Flooded Engine
If engine is fuel-flooded and does not start, this special mode can be activated to prevent fuel injection and ignition while crankingProceed as follows to activate itFirst, remove drive beltRefer to DRIVE BELTWith tether cord cap on its post while engine is stopped, press and HOLD throttle lever in neutral positionPress the ignition keyThe mode is now onReleasing throttle lever will bring back to its normal modeIf engine does not start, it may be necessary to remove spark plugs and crank engine with rags over spark plug holesRefer to COMPONENT INSPECTION AND ADJUSTMENT subsection