Yamaha Tracer MT09TRA - Service manual > Signaling system

Circuit diagram

3. Main switch

4. Main fuse

11.Ignition fuse

13.Signaling system fuse

15.Battery

16.Engine ground

20.Joint connector

21.Joint coupler

22.Relay unit

27.ECU (engine control unit)

41.Coolant temperature sensor

46.Rear wheel sensor

47.ABS ECU (electronic control unit)

52.Meter assembly

54.Neutral indicator light

56.Tachometer

57.Multi-function meter

58.Oil level warning light

59.Engine trouble warning light

62.Turn signal indicator light (left)

63.Turn signal indicator light (right)

65.Oil level switch

66.Gear position switch

67.Fuel sender

69.Handlebar switch (right)

72.Hazard switch

73.Front brake light switch

74.Rear brake light switch

75.Turn signal/hazard relay

76.Handlebar switch (left)

80.Horn switch

81.Horn

82.Turn signal switch

84.Rear turn signal light (right)

85.Rear turn signal light (left)

86.Front turn signal light (right)

87.Front turn signal light (left)

94.Tail/brake light

97.Parking lighting fuse

Troubleshooting

• Any of the following fail to light: turn signal light, brake light or an indicator light.
• The horn fails to sound.

TIP

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

1. Fuel tank front cover/Front side panel/Front side cowling

2. Passenger seat/Rider seat

3. Fuel tank cover

4. Fuel tank

5. Air filter case

6. Headlight assembly

Checking the signaling system

The horn fails to sound.

TIP

Repair or replace if there is an open or short circuit.

• Between rear wheel sensor coupler and ABS ECU coupler.

  (white-white) (black-black)

• Between ABS ECU coupler and ECU coupler.

  (white/green-white/green) (white/yellow-white/yellow)

• Between ECU coupler and meter assembly.

  (light green/blue-light green/blue) (light green/white-light green/white)

Cooling system

Circuit diagram

3. Main switch

4. Main fuse

9. Radiator fan motor fuse

11.Ignition fuse

15.Battery

16.Engine ground

20.Joint connector

21.Joint coupler

27.ECU (engine control unit)

41.Coolant temperature sensor

95.Radiator fan motor relay

96.Radiator fan motor

Troubleshooting

TIP

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

1. Fuel tank front cover/Front side panel/Front side cowling

2. Passenger seat/Rider seat

3. Fuel tank cover

4. Fuel tank

5. Air filter case

6. Throttle bodies

See also: