Section04ENGINEMANAGEMENT(15034-TEC)
Subsection 01 (OVERVIEW)
Limp Home Modes
Besides the signals as seen above, the ECM may
automatically uses default parameters for the en-
gine management to ensure the adequate opera-
tion of the watercraft if a component of the fuel
injection system is not operating properly.
The following components failure will trigger a
limp home mode: CTS, EGTS, OPS, OSPS and
TOPS.
When minor fault occurs, the fault and mes-
sage/beeper will disappear automatically, if the
condition does not exist anymore.
Releasing throttle and letting the engine returning
at idle speed may allow normal operation to come
back. If it does not work, try removing and rein-
stalling the safety lanyard on its post.
Depending on the malfunction, the watercraft
speed may be reduced and not allowed to reach
its usual top speed. The engine speed will be
limited to 2500 or 5000 RPM.
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.
Monitoring System
The ECM monitors the electronic components
of the fuel injection system and also the engine
components of the electrical system. The MPEM
monitors the vehicle electrical system and the
accessories. When a fault occurs, it sends visual
messages through the information center and/or
audible signals through a beeper to inform you of
a particular condition. Refer to the DIAGNOSTIC
PROCEDURES section for the displayed mes-
sages and the beeper coded signals chart.
Low-Fuel Level Warning Device
When the fuel level in the reservoir is low, the fuel
level sensor transmits a signal to the MPEM. The
MPEM sends out signals to the beeper and to the
information center gauge.
Low-Oil Pressure Warning Device
When the oil pressure falls under a certain level,
the ECM sends out signals to the beeper and to
the information center gauge. Additionally the en-
gine goes in limp home mode.
High Coolant Temperature and EGTS
Warning Device
When the coolant temperature or the exhaust gas
temperature is getting to high, the ECM sends out
signals to the beeper.
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.
The ECM and the VCK are able to communicate
through a connector on the vehicle. Refer to the
DIAGNOSTIC PROCEDURES section.
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