Yamaha YZF-R1 Series Service Manual page 502

EAS20387
SYSTEM DIAGRAM
EAS32920
ECU CIRCUIT DIAGRAM
2. Electronic throttle valve fuse
3. Backup fuse
4. Fuel injection
system fuse
5. Ignition fuse
6. Main switch
15. Starter
7. Main fuse
M
C
8. Battery
19. Rectifier/regulator
20. Cylinder identification sensor
A
B
10. Fuel pump
relay
9. Start/engine
11. Fuel pump
stop switch
13. Neutral
12. Starter
indicator
relay
light
motor
14. Starting circuit
cut-off relay
16. Clutch
switch
9. Start/engine
stop switch
17. Sidestand 18. Neutral
switch
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
a
SYSTEM DIAGRAM
29
26
32
41
96
95
1. ECU (Engine
Control Unit)
80
switch
34
33
72
92
76
60
69
68
102
86
71
9-5
15
34. Primary injector #1
16
35. Primary injector #2
13
36. Primary injector #3
14
37. Primary injector #4
23
38. Secondary injector #1
24
39. Secondary injector #2
21
40. Secondary injector #3
22
41. Secondary injector #4
18 A
42. Throttle servo motor
1
10
43. Ignition
B
coil #1
8
44. Ignition
coil #2
9
45. Ignition
coil #3
6
46. Ignition
coil #4
7
17
25