Yamaha VX600ERG Service Manual page 232

BACK BUZZER DOES NOT SOUND. (VX600ER/VT600)
Check the main fuse,
"IGNITION" fuse and "TAIL" fuse.
Refer to "FUSE INSPECTION" in CHAPTER 2.
OK FAULTY
Check the battery.
Refer to "BATTERY INSPECTION" in CHAPTER 2.
OK OUT OF SPECIFICATION
Check the stator coil and pickup coil.
Refer to "IGNITION SYSTEM".
OK OUT OF SPECIFICATION
Check the main switch.
Refer to "IGNITION SYSTEM".
OK FAULTY
Check the gear position switch.
OK FAULTY
Check the load control relay.
Refer to "IGNITION SYSTEM".
OK FAULTY
Check the DC back buzzer.
OK DOES NOT SOUND
Correct the connection and/or
replace the rectifier/regulator
and/or CDI unit.
SIGNAL SYSTEM
Replace the main fuse, "IGNITION" fuse and/or "TAIL"
fuse.
Replace and/or charge the battery.
Refer to "BATTERY CHARGING" in CHAPTER 2.
Replace the stator coil assembly.
Replace the main switch.
Replace the gear position switch.
Replace the load control relay.
Replace the DC back buzzer.
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