Yamaha RS90NW, Owner'S Manual

Page: 27 / 110

5-7
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.
@
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
@
● 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.
● Stop the engine and allow it to cool off. Then,
check that the wire harness couplers in the
engine compartment are connected properly.
●
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.
@
E_8gg.book Page 7 Thursday, March 16, 2006 4:23 PM