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Ski Doo MX Z 2005
Инструкция по эксплуатации Страница: 1129

Ski-Doo Ski Doo MX Z 2005 [1129/1429] Charging system

Section 05 ENGINE MANAGEMENT (2-TEC)

Subsection 01 (OVERVIEW)

The engine RPM may be limited if some critical

components fail. In this case, releasing throttle

and letting the engine returning to idle speed may

allow normal operation to come back. If does not

work, try removing and reinstalling the tether cord

cap on DESS post.

These performance-reduced modes allow the rid-

er to go back home which would not be possible

without this advanced system. Refer to the DIAG-

NOSTIC PROCEDURES for a complete chart.

If a fault occurs and involves a limp home mode

operation, the engine management system will re-

duce engine RPM gradually to the proper level.

DIAGNOSTIC MODE

The malfunctions are recorded in the memory

of the ECM. The memory of the ECM can be

checked using the VCK (Vehicle Communication

Kit) (P/N 529 035 981) to see the fault codes. Re-

fer to the DIAGNOSTIC PROCEDURES section.

The B.U.D.S. software must be used for this sys-

tem (always use the latest software version).

CHARGING SYSTEM

The magneto is the primary source of electrical

energy. It transforms magnetic field into electric

current (AC).

The magneto has a 3 phases, delta wound stator

on 18 poles. Capacity is 480 watts.

Unregulated AC current is rectified and regulated

between 13.4 and 15 volts for the vehicle electri-

cal system.

Vehicle 12-volt battery supplies the ECM with DC

current.

Refer to MAGNETO SYSTEM.

IGNITION SYSTEM

The following type of ignition system is used:

– Digital Inductive System.

DOUBLE IGNITION COIL

Double ignition coil has two separate windings,

one for each spark plug.

Ignition coil induces voltage to a high level in the

secondary windings to produce a spark at the

spark plug.

Two separate windings receive input from the

ECM. Each winding provides high voltage to its

corresponding spark plug.

This ignition system allows spark plugs to spark

independently.

CAUTION: Do not interchange spark plug ca-

bles. Match reference (PTO or MAG printed

on high tension cable yellow tag) with corre-

sponding cylinder spark plug.

Double ignition coil is located underneath air si-

lencer.

TRIGGER COIL

Trigger coil is used for:

1) Forward engine rotation.

2) Reverse engine rotation.

3) As a crankshaft position sensor (CPS). This in-

formation is sent to the ECM.

264 mmr2005-028

Ski-Doo Ski Doo MX Z 2005 [1129/1429] Charging system

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