Coolant Temperature Warning Indicator; Self-Diagnostic System - Yamaha RS90NL Owner's Manual

ESU04180

Coolant temperature warning indicator

If the engine overheats, the coolant temperature warning
indicator 1 and the warning light 2 come on. When this
occurs, stop the engine immediately and allow the
engine to cool down, and then check the coolant level in
the coolant reservoir. (See page 6-4.)
CAUTION :
@
Do not operate the engine if it overheats.
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ESU04254

Self-diagnostic system

This model is equipped with a self-diagnostic system for
various electrical circuits.
If any of those circuits are defective, the warning light 1
and the self-diagnosis warning indicator 2 will flash, and
then an error code (e.g., 16 and 81) 3 will flash slowly in
the tripmeter/odometer display.
WARNING
@
G
If the self-diagnosis warning indicator and warn-
ing light flash continuously, and an error code is
displayed during operation, there may be some
problem with the electrical circuit, lead couplers,
etc.
G
Stop the engine and allow it to cool off. Then,
check that the wire harness couplers in the
engine compartment are connected properly.
G If the self-diagnosis warning indicator, warning
light, and an error code flash after the engine has
been restarted, note the error code, and then
have a Yamaha dealer inspect the snowmobile as
soon as possible.
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5-7