Snowmobile Yamaha FX10X, FX10RTX, FX10RTRX, FX10RTRAX, FX10MTX, FX10MTRX, FX10MTRAX. Manual - part 85

8-34

–

+

ELEC

SIGNAL SYSTEM

Check the main fuse and ignition fuse.
Refer to “FUSE INSPECTION” in CHAPTER 2.

Check the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 2.

Check the engine stop switch and main switch.
Refer to “IGNITION SYSTEM”.

Check the fuel sender.

Check the signal system wiring.
Refer to “CIRCUIT DIAGRAM”.

Correct the connection and/or replace the 
speedometer unit and/or ECU.

FUEL METER AND/OR FUEL LEVEL WARNING INDICATOR AND/OR WARNING LIGHT DO NOT 

COME ON.

OK

FAULTY

Replace the main fuse and/or ignition fuse.

OK

OUT OF SPECIFICATION

Replace or charge the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 
2.

OK

FAULTY

Replace the right handlebar switch and/or main 
switch.

OK

FAULTY

Replace the fuel sender.

OK

FAULTY

Properly connect or repair the signal system wir-
ing.

8-35

–

+

ELEC

SIGNAL SYSTEM

Check the main fuse and ignition fuse.
Refer to “FUSE INSPECTION” in CHAPTER 2.

Check the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 2.

Check the engine stop switch and main switch.
Refer to “IGNITION SYSTEM”.

Check the oil level switch.

Check the signal system wiring.
Refer to “CIRCUIT DIAGRAM”.

Correct the connection and/or replace the 
speedometer unit and/or ECU.

OIL LEVEL WARNING INDICATOR AND/OR WARNING LIGHT DO NOT COME ON.

OK

FAULTY

Replace the main fuse and/or ignition fuse.

OK

OUT OF SPECIFICATION

Replace or charge the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 
2.

OK

FAULTY

Replace the right handlebar switch and/or main 
switch.

OK

FAULTY

Replace the oil level switch.

OK

FAULTY

Properly connect or repair the signal system wir-
ing.

8-36

–

+

ELEC

SIGNAL SYSTEM

Check the main fuse and ignition fuse.
Refer to “FUSE INSPECTION” in CHAPTER 2.

Check the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 2.

Check the engine stop switch and main switch.
Refer to “IGNITION SYSTEM”.

Check the speed sensor.

Check the signal system wiring.
Refer to “CIRCUIT DIAGRAM”.

Correct the connection and/or replace the 
speedometer unit and/or ECU.

SPEEDOMETER DOES NOT OPERATE.

OK

FAULTY

Replace the main fuse and/or ignition fuse.

OK

OUT OF SPECIFICATION

Replace or charge the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 
2.

OK

FAULTY

Replace the right handlebar switch and/or main 
switch.

OK

FAULTY

Replace the speed sensor.

OK

FAULTY

Properly connect or repair the signal system wir-
ing.

8-37

–

+

ELEC

SIGNAL SYSTEM

Check the main fuse, ignition fuse, and signal fuse.
Refer to “FUSE INSPECTION” in CHAPTER 2.

Check the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 2.

Check the stator coil.
Refer to “CHARGING SYSTEM”.

Check the engine stop switch and main switch.
Refer to “IGNITION SYSTEM”.

Check the load control relay.
Refer to “LIGHTING SYSTEM”.

Check the DC back buzzer.

Check the signal system wiring.
Refer to “CIRCUIT DIAGRAM”.

Correct the connection and/or replace the rectifier/
regulator and/or ECU.

BACK BUZZER DOES NOT SOUND. (FX10/FX10RTR/FX10RTRA/FX10MTR/FX10MTRA)

OK

FAULTY

Replace the main fuse, ignition fuse, and/or signal 
fuse.

OK

OUT OF SPECIFICATION

Replace or charge the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 
2.

OK

OUT OF SPECIFICATION

Replace the stator coil.

OK

FAULTY

Replace the right handlebar switch and/or main 
switch.

OK

FAULTY

Replace the load control relay.

OK

DOES NOT SOUND

Replace the DC back buzzer.

OK

FAULTY

Properly connect or repair the signal system wir-
ing.