Honda BF115A, BF130A Outboard Motors Shop Manual., Page 92Get this manual
IIECM reset procedure Perform the following steps through within 20 seconds to reset the ECM1) Turn the ignition switch OFF
short connector) 2) Short-circuit the 2P service check connector (red) located inside the ECM case using the special tool (SCS (P5-5)3) Turn the ignition switch ON4) With the lanyard clip engaged in the emergency stop switch, press the emergency stop switch for 0.5 seconds or more,
then release the switch for 0.1 seconds or moreRepeat this procedure timesProceed immediately to steps and 6Steps through must be performed within 20 seconds5) Be sure that the buzzer sounds twice
The MIL should stay ON6) Turn the ignition switch OFF(ECM reset procedure completes
0.5 secor more
OFF (Release) IGNITION SWITCH ON