Yamaha F150A Service Manual page 49

1. Engine ECM
2. Pulser coil
3. Thermoswitch
4. Ignition coil
5. Vapor shut-off valve
6. Oil pressure sensor
7. Water detection switch
8. Air temperature sensor
9. Air pressure sensor
10. ISC valve
11. Engine temperature sensor
12. TPS
13. Shift position switch
14. Shift cut-off switch
15. High-pressure fuel pump
16. Fuel injector
17. Engine shut-off switch
Determines the engine operating conditions according to the
input signals from the sensors, and sends output signals to
operate the actuators to perform the various control functions.
Detects the engine speed.
Detects the crankshaft angle.
Detects engine overheating.
Activates the ignition.
Controls the amount of vapor gas to be sent from the vapor
separator to the intake system.
Detects the engine oil pressure.
Detects water intrusion in fuel filter.
Detects the intake air temperature.
Detects the intake air pressure.
Adjusts the flow of air to the engine when idling.
Detects the engine temperature.
Detects the throttle valve opening.
Detects the neutral position.
Detects the shift-in or shift-out condition for the forward gear-
shift.
Pressurizes the fuel and sends the fuel to the fuel rail.
Injects fuel.
Stops the engine forcibly.
2-4
Electronic control system
0
1
2
3
4
5
6
7
8
9
10
A