Yamaha YZF-R1 Series Service Manual page 504

1. ECU (Engine Control Unit)
2. Electronic throttle valve fuse
3. Backup fuse
4. Fuel injection system fuse
5. Ignition fuse
6. Main switch
7. Main fuse
8. Battery
9. Start/engine stop switch
10. Fuel pump relay
11. Fuel pump
12. Starter relay
13. Neutral indicator light
14. Starting circuit cut-off relay
15. Starter motor
16. Clutch switch
17. Sidestand switch
18. Neutral switch
19. Rectifier/regulator
20. Cylinder identification sensor
21. Crankshaft position sensor
22. EXUP servo motor
23. Atmospheric pressure sensor
24. Intake air pressure sensor
25. Coolant temperature sensor
26. Intake air temperature sensor
27. Shift sensor
28. Gear position sensor
29. O sensor 1 (left side)
2
30. O sensor 2 (right side)
2
31. Throttle position sensor
32. Accelerator position sensor
33. Hydraulic unit assembly (ABS ECU)
34. Primary injector #1
35. Primary injector #2
36. Primary injector #3
37. Primary injector #4
38. Secondary injector #1
39. Secondary injector #2
40. Secondary injector #3
41. Secondary injector #4
42. Throttle servo motor
43. Ignition coil #1
44. Ignition coil #2
45. Ignition coil #3
46. Ignition coil #4
47. Intake funnel servo motor
48. Steering damper solenoid
49. Intake solenoid
50. Air induction system solenoid
51. Radiator fan motor relay
52. Dimmer switch
53. Pass/LAP switch
SYSTEM DIAGRAM
54. Headlight control unit
55. Meter assembly
56. CAN communication circuit
9-7