- Тип техники
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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 222
Section 05 ENGINE MANAGEMENT (POWER TEK)
Subsection 01 (OVERVIEW)
NOTE: If desired, a tether cord cap can be used
on other vehicle equipped with the DESS. It only
needs to be programmed for that vehicle.
When starting the engine with a tether cord cap
on the post, the DESS is activated and will emit
audible signals:
– 2 short beeps indicate a working tether cord
cap. Vehicle can be driven.
– 1 short beep indicates a wrong tether cord cap
is being used or that something is defective.
Vehicle can not be driven.
Engine Starting
If the ECM recognizes a valid tether cord cap, it
allows engine to rev above 3000 RPM.
The ECM will shut down immediately after stop-
ping the engine.
ROTAX ELECTRONIC REVERSE
(RER)
The ECM recognizes a signal sent by the
START/RER switch.
When switch is activated and engine is not run-
ning, ECM allows normal engine starting.
When switch is activated and engine is running
at idle, the ECM cuts ignition. Therefore, engine
RPM gradually drops. When engine reaches a low
threshold RPM, the ECM sends an ignition spark
at a great advance creating a thrust which revers-
es engine rotation.
On liquid cooled engines, both trigger coils work
all the time.
Under a threshold low RPM or above drive pulley
engagement speed, the RER function is disabled.
Nothing takes place when pressing Start/RER but-
ton.
MONITORING SYSTEM
The ECM monitors the electronic components of
the engine and some components of the electrical
system.
When a fault occurs, it sends visual messages
through the referring LED in speedometer and/or
audible signals through a beeper to inform you of
a particular condition. Refer to the DIAGNOSTIC
PROCEDURES.
Low-Oil Level Warning Device
When the oil falls under a certain level, the low oil
level LED will be illuminated.
High Coolant Temperature
Warning Device
When the coolant temperature is getting to high,
the ECM sends out signals to the beeper and the
high temperature LED.
Idle Overheat Protection
If engine overheats when running at idle speed for
more than 4 minutes without touching the throttle
lever, the beeper will send an audible signal then
engine will be automatically stopped.
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.
Refer to the DIAGNOSTIC PROCEDURES.
mmr2005-105 203
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