2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 302Get this manual
TRBL SHTG
Troubleshooting
6Data logger Two out of six items (engine speed, battery voltage, throttle position, intake air pressure, engine temperature, and oil pressure) are selected and 13 minutes of their recorded data are displayed on graphThe operating time as compared to the engine speed and the total operating time are also displayed7ECM NoThe ECM part number and model information are displayed8Exit The program is exited
Diagnosis