Yamaha FX Nytro FX10X, Service Manual

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8-21
– +
ELEC
LIGHTING SYSTEM
TROUBLESHOOTING
Check the headlight bulb(s).
Check the main fuse, ignition fuse, and headlight
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 headlight beam switch.
Check the headlight relay.
Check the load control relay.
Check the lighting system wiring.
Refer to “CIRCUIT DIAGRAM”.
Correct the connection and/or replace the
speedometer unit, rectifier/regulator, and/or ECU.
HEADLIGHT AND/OR HIGH BEAM INDICATOR LIGHT DO NOT COME ON.
OK
NO CONTINUITY Replace the bulb(s).
OK
FAULTY Replace the main fuse, ignition fuse, and/or head-
light 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 left handlebar switch.
OK
FAULTY Replace the headlight relay.
OK
FAULTY
Replace the load control relay.
OK
FAULTY Properly connect or repair the lighting system wir-
ing.