Yamaha YZ450F 2020 Owner's Service Manual page 365

EAM20149
WIRING DIAGRAM
YZ450F/YZ450FL 2020
1. Crankshaft position sensor
2. AC magneto
3. Rectifier/regulator
4. Joint connector
5. Main relay
6. Battery
7. Engine ground
8. Frame ground
9. Fuse
10. Starter relay
11. Starter motor
12. Diode 1
13. Diode 2
14. CCU (Communication Control
Unit)
15. Yamaha diagnostic tool cou-
pler
16. ECU (Engine Control Unit)
17. Ignition coil
18. Spark plug
19. Fuel injector
20. Fuel pump
21. Intake air temperature sensor
22. Coolant temperature sensor
23. Throttle position sensor
24. Intake air pressure sensor
25. Engine stop switch
26. Mode switch
27. Gear position switch
28. Launch control switch
29. Start switch
30. Diode 3
A. Battery sub-lead
B. Wire harness
C. Ignition coil sub-lead
D. CCU sub-lead
EAM30323
COLOR CODE
B Black
Br Brown
DL Dark blue
Gy Gray
L Blue
Lg Light green
O Orange
P Pink
R Red
Sb Sky blue
W White
Y Yellow
B/L Black/Blue
B/O Black/Orange
B/R Black/Red
B/W Black/White
B/Y Black/Yellow
Br/W Brown/White
G/W Green/White
G/Y Green/Yellow
L/B Blue/Black
L/G Blue/Green
L/R Blue/Red
L/W Blue/White
P/B Pink/Black
R/B Red/Black
R/L Red/Blue
R/W Red/White
R/Y Red/Yellow
W/B White/Black
W/G White/Green
Y/B Yellow/Black
Y/G Yellow/Green
Y/R Yellow/Red
Y/W Yellow/White