Yamaha XMAX YP125R - Service manual > Signaling system

Circuit diagram

2. Crankshaft position sensor

5. Main switch

6. ECU fuse

8. Turn signal/hazard fuse

9. Ignition fuse

11. Signaling system fuse

12. Battery

13. Main fuse

17. Frame ground

23. Hazard switch

24. Front brake light switch

25.Coolant temperature sensor

30. Speed sensor

31. ECU (engine control unit)

38. Horn

39.Turn signal/hazard relay

44.Turn signal switch

45. Horn switch

46. Rear brake light switch

48. Right rear turn signal light

49. Tail/brake light

51. Left rear turn signal light

52. Right front turn signal light

53. Left front turn signal light

58. Fuel sender

59.V-belt replacement indicator reset coupler

62. Multifunction meter

63. Speedometer

64.Tachometer

65. Engine oil change indicator

66.V-belt replacement indicator

70. Right turn signal indicator light

71. Left turn signal indicator light

72. Air temperature sensor

75. Self-diagnosis signal coupler

Troubleshooting

• Any of the following fail to light: turn signal lights, brake lights, warning light or indicator lights.
• The horn fails to sound.
• The fuel meter fails to operate.
• The coolant temperature meter fails to operate.
• The speedometer fails to operate.
• The tachometer fails to operate.
• The air temperature meter fails to operate.

TIP

• Before troubleshooting, remove the following part(s):

1. Storage box

2. Front cowling

Checking the signaling system

The horn fails to sound.

Cooling system

Circuit diagram

5. Main switch

6. ECU fuse

7. Radiator fan motor fuse

9. Ignition fuse

12.Battery

13.Main fuse

17.Frame ground

25.Coolant temperature sensor

31.ECU (engine control unit)

73.Radiator fan motor

74.Radiator fan motor relay

Troubleshooting

• The radiator fan motor fails to turn.

TIP

• Before troubleshooting, remove the following part(s):

1. Storage box
2. Front cowling
3. Radiator cover

See also: