Yamaha UMAX, Service Manual

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WIRING DIAGRAM
YUM1A/YUM2A
1. Auxiliary DC jack (option)
2. Deluxe lighting kit (option)
3. Lighting fuse
4. Auxiliary DC jack fuse (option)
5. Main switch fuse
6. Main fuse
7. USB fuse
8. Reverse switch
9. Reverse buzzer
10. Horn switch
11. Horn
12. USB unit
13. Tail light (left) (option)
14. Tail light (right) (option)
15. Headlight (right)
16. Headlight (left)
17. Light switch
18. Main switch
19. Accelerator switch
20. Fuel pump relay
21. Engine oil level switch
22. Meter assembly
23. Fuel pump assembly
24. Diagnostic tool coupler
25. ECU (engine control unit)
26. Engine temperature sensor
27. Intake air pressure sensor
28. Fuel injector
29. Crankshaft position sensor
30. Intake air temperature sensor
31. Frame ground
32. Voltage regulator
33. Starter generator
34. Main relay
35. Battery
36. Spark plug
37. Ignition coil
38. Engine ground
COLOR CODE
YUM2E
1. Tail light (left) (option)
2. Tail light (right) (option)
3. Deluxe lighting kit (option)
4. Headlight (right)
5. Headlight (left)
6. Light switch
7. Horn
8. Horn switch
9. Voltage regulator
10. Main switch
11. Battery gauge/warning light
12. Tow switch
13. Accelerator switch
14. Reverse buzzer
15. Shift switch
16. Diagnostic tool coupler
17. Motor temperature sensor
18. Motor speed sensor
19. Traction motor
20. MCU (motor control unit)
21. MCU fuse
22. USB fuse
23. USB unit
24. Main fuse
25. TPS (throttle position sensor)
26. Main relay
27. Battery
28. Charging receptacle
COLOR CODE
B Black
Br Brown
G Green
L Blue
O Orange
P Pink
R Red
W White
Y Yellow
B/R Black/Red
B/W Black/White
B/Y Black/Yellow
Br/W Brown/White
G/W Green/White
O/W Orange/White
R/W Red/White
R/Y Red/Yellow
W/R White/Red
Y/R Yellow/Red
B Black
Br Brown
G Green
Gy Gray
L Blue
O Orange
P Pink
R Red
W White
Y Yellow
B/W Black/White
L/W Blue/White
O/W Orange/White
R/B Red/Black
R/L Red/Blue
R/W Red/White
R/Y Red/Yellow