Yamaha MT-09 2021 Service Manual page 743

EAS20091
WIRING DIAGRAM
MTN890 2021
1. AC magneto
2. Rectifier/regulator
3. Fuse box
4. Main fuse
5. Main switch
6. Radiator fan motor relay
7. Fuel injection system fuse
8. Electronic throttle valve fuse
9. Backup fuse 2
10. Signaling system fuse
11. Ignition fuse 2
12. Ignition fuse 1
13. Headlight fuse
14. ABS ECU fuse
15. Terminal fuse 1
16. ABS solenoid fuse
17. ABS motor fuse
18. Backup fuse 1
19. Radiator fan motor fuse
20. Auxiliary DC jack
21. Battery
22. Engine ground
23. Starter relay
24. Starter motor
25. Immobilizer unit
26. Handlebar switch (right)
27. Front brake light switch
28. Wheel switch
29. Stop/run/start switch
30. Accelerator position sensor
31. Relay unit
32. Starting circuit cut-off relay
33. Fuel pump relay
34. Neutral switch
35. Sidestand switch
36. Fuel pump
37. Fuel sender
38. Gear position sensor
39. Intake air pressure sensor 1
40. Intake air pressure sensor 2
41. O sensor
2
42. Crankshaft position sensor
43. Coolant temperature sensor
44. Intake air temperature sensor
45. ECU (Engine Control Unit)
46. Ignition coil #1
47. Spark plug
48. Ignition coil #2
49. Ignition coil #3
50. Injector #1
51. Injector #2
52. Injector #3
53. Grip warmer (left)
54. Grip warmer (right)
55. Throttle position sensor
56. Throttle servo motor
57. ABS ECU (Electronic Control
Unit)
58. Front wheel sensor
59. Rear wheel sensor
60. IMU (Inertial Measurement
Unit)
61. Purge cut valve solenoid
62. Shift sensor
63. YDT coupler
64. Meter assembly
65. Multi-function meter
66. Neutral indicator light
67. Immobilizer system indicator
light
68. Oil pressure and coolant tem-
perature warning light
69. Auxiliary system warning light
70. Stability control indicator light
71. Fuel level warning light
72. MIL (Malfunction indicator light)
73. Turn signal indicator light (left)
74. Turn signal indicator light (right)
75. ABS warning light
76. High beam indicator light
77. Oil pressure switch
78. Meter light
79. Rear turn signal light (left)
80. Rear turn signal light (right)
81. Front turn signal light (right)
82. Front turn signal light (left)
83. Headlight control unit
84. Headlight (low)
85. Headlight (high)
86. Tail/brake light
87. License plate light
88. Auxiliary light
89. Radiator fan motor
90. Rear brake light switch
91. Handlebar switch (left)
92. Clutch switch
93. Mode switch
94. Pass switch
95. Dimmer switch
96. Horn switch
97. Hazard switch
98. Turn signal switch
99. Horn
A. Wire harness
B. Sub-wire harness (Oil pressure
switch)