Yamaha F225A Service Manual page 318

TRBL
SHTG
Stationary test
Selecting this command displays a window where stationary tests (spark ignition coil #, operate
injector #, operate electric fuel pump, operate electric fuel feed pump, and operate ISC valve) can
be selected.
WARNING
Avoid clicking the Execute and Cancel buttons repeatedly, otherwise the ECM or PC may not
work properly and they may be damaged.
9-19
Troubleshooting
Displays keyboard operations.
Fig. 22
Explanation of
selected item
Confirmation item
before the test
69J3D11