Honda WT30XK4 Manual page 66

OIL LEVEL SWITCH INSPECTION
Disconnect the engine wire harness from the oil level
switch.
Check continuity between the switch terminal and
engine ground.
There should be no continuity when the engine is full of
oil.
Drain the engine oil completely (page 3-4).
Check continuity between the switch terminal and
engine ground.
There should be continuity.
Check continuity between the switch terminals while
filling the engine oil.
The ohmmeter reading should go from continuity to no
continuity as the oil is filled.
If the correct continuity is not obtained, replace the oil
level switch (page 13-5).
ENGINE STOP SWITCH INSPECTION
Remove the engine stop switch connectors.
Check continuity between the terminals at each switch
position.
Switch position
If the correct continuity is not obtained, replace the
engine stop switch (page 5-2).
Continuity
ON
OFF
Yes
No
IGNITION SYSTEM
8-9