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In case of emergency
Diagnostic function
The diagnostic function monitors and checks that the engine, stern drive/reverse gear and EVC system function
normally.
The diagnostic function has the following tasks:
● Discover and localize malfunctions
● Notify that malfunctions have been discovered
● Give advice in fault finding
● Protect the engine and ensure continued operation when serious malfunctions are discovered.
The diagnostic function affects the engine in the
following ways when:
1. The diagnostic function has discovered a minor
malfunction which does not damage the engine.
Reaction: The engine is not affected.
2. The diagnostic function has discovered a serious
malfunction which will not immediately damage
the engine (e.g. high coolant temperature):
Reaction: Engine power is reduced till the rele-
vant value is normalized.
3. The diagnostic function has discovered a serious
malfunction which will cause serious engine da-
mage.
Reaction: Engine power is reduced.
4. The diagnostic function has discovered a serious
malfunction which makes it impossible to control
the engine.
Reaction: The reversing gear/drive is disengaged
and engine speed is cut to 1000 rpm.
It is possible to do an emergency shift: Please re-
fer to the “Emergency shifting” section.
5. The diagnostic function has discovered a serious
malfunction on the sterndrive shift mechanism or
in the engine fuel injection system.
Reaction: Engine is stopped
It is possible to do an emergency shift: Please re-
fer to the ”Emergency shifting” section. In serious
emergency it is also possible to start the engine
with gear engaged after acknowledging the alarm.
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