Ecm Circuit Diagram - Yamaha F30B 2018 Service Manual

ECM circuit diagram

, : Indicate a connection between the symbols.
The circled numbers in the illustration indicate the engine ECM terminal numbers.
< INPUT >
1. Pulser coil
3. Intake air pressure sensor
4. Speed sensor
5. Water pressure sensor
6. Trim sensor
7. Thermo sensor
8. Intake air temperature sensor
9. Oil pressure switch
10. Engine shut-off switch
11. Trolling switch (UP)
12. Trolling switch (DN)
13. Shift position switch
14. Water detection switch
17. Battery
19. Engine start switch
34
2. TPS
24
6
23
8
7
25
27
10
9
28
13
29
12
30
14
15. Ground
26
16. Main relay
45
46
44
18. High-pressure
P
fuel pump
36
52
51
50
49
18
38
47
40
31
20. Engine
ECM
33
32
16
15
43
31. Ignition coil #1
42
32. Ignition coil #2
41
33. Ignition coil #3
3
4
48
39
17
5-13
ECM circuit diagram
< OUTPUT >
21. Fuel injector #1
22. Fuel injector #2
23. Fuel injector #3
24. Vapor shut-off valve
25. YDIS
26. Oil pressure alert indicator
27. Overheat alert indicator
28. Alert buzzer
BZ
29. Tachometer
T
34. 6Y8 network
30. ISC