Yamaha RHINO YXR45FAV Owner's Manual page 27

EVU00190
Coolant temperature warning
light does not come on.
Turn the main switch to "START" with
the transmission in the neutral position.
Coolant temperature
warning light comes on
momentarily.
Coolant temperature and
electrical circuit are OK.
Go ahead with riding.
Coolant temperature warning light checking method
Turn the main switch to "ON".
Coolant temperature
warning light does not
come on.
Ask a Yamaha dealer to
inspect the electrical circuit.
4-5
Coolant temperature
warning light comes on.