TOHATSU MD 30B2 Service Manual page 329

2) Operation Procedure of Self-Diagnosis Function
* The self-diagnosis function is enabled only when the engine is
stopped state.
* The self-diagnosis function is stopped at any moment during
the following procedure when the key switch is set to "OFF".
After attaching stop switch lock,
For confirmation of meter operation, three warning lamps go on
and buzzer sounds.
At the same time, fuel feed pump (FFP) operates approximately
two seconds.
ECU attempts to identify existence of a trouble or abnormality
of a part if any.
If there exists any trouble or abnormality, the warning buzzer
lamps and buzzer operates according to the type of the trouble.
→Refer to Warning Indications List.
TLD D30/40/50B2 2013
set key switch to "ON".
ON
OFF
Beep!!
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