Yamaha F400A 2022 - Page 225

ECM circuit diagram
5-14
1. Crankshaft position sensor
2. Cam position sensor (PORT EX)
3. Cam position sensor (PORT IN)
4. Cam position sensor (STBD IN)
5. Intake air pressure/temperature sensor
(pressure)
6. Fuel pressure sensor (direct injection
pump) (PORT)
7. Fuel pressure sensor (direct injection
pump) (STBD)
8. Fuel pressure sensor (high-pressure fuel
pump)
9. Oil pressure sensor
10. Water pressure sensor
11. PTT sensor
12. Intake air pressure/temperature sensor
(temperature)
13. Engine temperature sensor
14. Thermo sensor (PORT)
15. Thermo sensor (STBD)
16. Water detection switch
17. Ground
18. Engine ECM
19. Injector driver relay
20. Injector driver
21. Fuel injector #1
22. Fuel injector #4
23. Fuel injector #7
24. Fuel injector #6
25. Direct injection pump (PORT)
26. Fuel injector #2
27. Fuel injector #5
28. Fuel injector #3
29. Fuel injector #8
30. Direct injection pump (STBD)
31. Ignition coil #1
32. Ignition coil #2
33. Ignition coil #3
34. Ignition coil #4
35. Ignition coil #5
36. Ignition coil #6
37. Ignition coil #7
38. Ignition coil #8
39. Knock sensor
40. SPS 1
41. SPS 2
42. TPS 1
43. TPS 2
44. PTT switch (UP)
45. PTT switch (DN)
46. Engine shut-off switch
47. Digital Electronic Control ECM
48. Main switch
49. Engine start switch
50. Starter relay
51. Starter motor
52. Main relay
53. Rectifier/regulator
54. Engine battery
55. House battery
56. High-pressure fuel pump (main)
57. High-pressure fuel pump (sub)
58. High-pressure fuel pump relay
59. Low-pressure fuel pump
60. Low-pressure fuel pump relay
61. OCV (PORT)
62. OCV (STBD)
63. PTT buzzer
64. Propeller light (optional)
65. PTT relay
66. ETV relay
67. ETV motor
68. Shift relay
69. Shift actuator
70. YDIS