2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 307Get this manual
Yamaha Diagnostic System Diagnosis record
The diagnosis codes of malfunctions that have been recorded in the outboard motor's ECM, the diagnostic codes' corresponding part name, and the time when the malfunctions occurred are listedA maximum of six items can be displayed at one timeThe latest occurrence appears on topIn addition, diagnosis codes stored in the ECM can be deleted