Yamaha F400A 2022 - Page 224

5-13
ECM circuit diagram
, , a: Indicate a connection between the symbols.
The numbers in a square indicate the engine ECM terminal numbers.
M
〜
M
M
BZ
P
P
P
ba
44. PTT switch (UP)
45. PTT switch (DN)
46. Engine shut-off switch
49. Engine
start switch
48. Main
switch
51. Starter
motor
67. ETV motor
54. Engine battery
55. House battery
63. PTT buzzer
57. High-pressure
fuel pump (sub)
58. High-pressure fuel
pump relay
59. Low-pressure fuel pump
60. Low-pressure fuel
pump relay
69. Shift actuator
ECM
18. Engine
40. SPS 1
17. Ground
17. Ground
17. Ground
41. SPS 2
42. TPS 1
43. TPS 2
50. Starter relay
66. ETV relay
47. Digital
Electronic
Control ECM
65. PTT relay
70. YDIS
53. Rectifier/regulator
39. Knock sensor
39. Knock sensor
52. Main relay
61. OCV (PORT)
62. OCV (STBD)
68. Shift relay
<INPUT> <OUTPUT>
5V
5V
5V
B-35
C-38
B-40
64. Propeller light (optional)
A-38
C-6
56. High-pressure
fuel pump (main)
C-4
B-33
B-13
A-18
A-9
A-35
A-44
B-4
B-5
B-6
B-7
C-11
C-17
C-26
C-8
C-7
C-35
C-44
B-25
A-7
A-8
A-1
A-3
A-5
A-6
A-37
C-36
B-44
C-13
C-21
C-34
C-12
C-22
C-25
C-15
C-23
C-24
C-42
C-10
C-20
B-27
C-9
C-18
B-26
B-17
B-36
A-17
C-1
C-2
B-8
B-10
A-26