2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 25Get this manual
Technical tips Fail-safe function table
FAIL-SAFE FUNCTION Symptom Ignition Engine starting: Only the cylinders outputting normal signal ignite at BTDC10, and all cylinders thereafterNormal control Injection ISC Engine condition DIAGNOSIS CODE
Incorrect pulser coil signal
All cylinders inject simultaneously Only in neutral: Idle speed based on the cylin900 rmin increases der that is outputting normal signalEngine temperature sensor is fixed to Only in neutral: Idle speed 900 rmin increases 40 to activate normal controlCorrection is made Opening angle Idle speed to the basic injecis fixed to 60increases tion mapIntake air temperature sensor is fixed Only in neutral: Idle speed to 40 in order to 900 rmin increases activate normal controlNormal control Normal control Normal control