Honda BF115A, BF130A Outboard Motors Shop Manual., Page 101Get this manual
HONDA BFI 15A-130A
Buzzerllight central control (Check on buzzerllight system main harness)
Check the initial operation of the buzzerllight central controlTurn the ignition switch ONCheck whether the MIL, overheat light (red), and the oil pressure light (green) come on for approx2 seconds and the warning buzzer sounds twice
Does the central control function normally? (1)
The MIL, overheat light, oil pressure light, warning buzzer and the harness are normal(I): the light(s) andor buzzer When
1) Turn the ignition switch OFF
2) Connect the test harness to the ECM and the connectorThe ECM side 34P and 6P connectors must be disconnected this time3) Turn the ignition switch ONI