- Тип техники
- Бренд
Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 644
Section 04 ENGINE MANAGEMENT (SDI)
Subsection 01 (OVERVIEW)
EMS — ENGINE MANAGEMENT SYSTEM FUNCTIONS
A35A06S
ENGINE
CONTROL
MODULE
(ECM)
Throttle position sensor (TPS)
Knock sensor (KS)
Crankshaft position sensor (CPS)
Beeper
Ignition coil
E-RAVE actuator
Fuel injector (4)
Fuel pump
Speedometer
Communication port
INPUTS
OUTPUTS
SDI SYSTEM
Air temperature sensor (ATS)
Air pressure sensor (APS)
Coolant temperature sensor (CTS)
Battery voltage
Digitally encoded security system (DESS)
START/RER switch
Oil tank low-level
Communication port
Starter solenoid
Limp home mode
POWER DISTRIBUTION
Accessories are protected by fuses located in the
fuse holder. Fuses are identified besides their
holder.
IMPORTANT: Engine-related sensors and injec-
tors are continuously powered from the battery.
The ECM switches the ground to complete
the electrical circuits it controls. Take this into
account when troubleshooting the electrical sys-
tem.
Manual Start Models
The system uses 3 relays: an ignition/injectors,
electric fuel pump and starting system relay (R1),
a second for the lighting system and the acces-
sories (R2) and a third for the capacitor circuit (R4).
Electric Start Models
The system uses 2 relays: an ignition/injectors,
fuel pump and starting system relay (R1) and a
headlights and accessories relay (R2).
Gauges Current Supply
Gauges are supplied with current for 30 seconds
when connecting the tether cord cap on its post
and momentarily pressing the START/RER switch.
NOTE: On electric start models, setting engine
cut-out switch to OFF will prevent engine starting.
NOTE: Each time the tether cord cap is connected
to the post and START/RER switch is depressed,
the fuel pump is activated for 2 seconds to build
up pressure in the fuel injection system.
Automatic Power Shut-Down
The ECM is equipped with an automatic power
shut-down. This feature prevents the battery
from losing its charge if the tether cord cap is
left on the post when the engine is not running
for more then 30 seconds. The ECM will remain
offline until the electric starter or the rewind
starter is activated. The ECM will shut down all
outputs after 5 seconds when the tether cord cap
is removed.
122 mmr2005-124
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