Yamaha F225F, Service Manual

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2-21
TECH
FEA
Technical features and description
Sensor, switch
Digital Electronic Control
ECM Converts actions on the control lever related to the gearshift and the
throttle opening or closing into electrical signals and transmits the
signals to the engine ECM.
Receives digital signals transmitted from the engine ECM. Performs
mutual authentication with the engine ECM to perform various
controls.
LPS Detects the control lever position. LPS 1 is the main sensor and
LPS 2 is the sub sensor. LPS 1 and LPS 2 mutually monitor each
other for malfunctions.
Free throttle switch Enables engine speed to be increased while in neutral using the
control lever.
Active indicator Displays operational conditions of the Digital Electronic Control.
Active indicator Comes on when communication error occurs between the 6Y9
Digital Electronic Control and the engine ECM.
Engine selector switch Selects the outboard motor to be operated.
Engine start/stop button Starts and stops the engine while the system is activated.
Engine start switch Activates and deactivates the system.
Starts and stops the engine.
Main switch Activates (with the engine start switch ON) and deactivates the
system.
PTT switch Operates the PTT unit to adjust the trim/tilt angle of the outboard
motor.
Station selector switch Switches between the main station and substation.
6Y9 Multifunction Color
Gauge Displays engine status and boat status on a single display.