Yamaha VK10W, Supplementary Service Manual

Page: 110 / 208

46
– +
ELEC
SIGNAL SYSTEM
TROUBLESHOOTING
Check the signal fuse.
Check the battery.
Check the stator coil.
Check the main switch.
Check the gear position switch.
Check the gear position switch relay.
Check the load control relay.
Check the DC back buzzer.
Check the signal system’s wiring.
Correct the connection and/or replace the rectifier/
regulator and/or ignitor unit.
BACK BUZZER DOES NOT SOUND.
OK
FAULTY Replace the signal fuse.
OK
OUT OF SPECIFICATION Replace and/or charge the battery.
OK
OUT OF SPECIFICATION Replace the stator coil assembly.
OK
FAULTY
Replace the main switch.
OK
FAULTY Replace the gear position switch.
OK
FAULTY Replace the gear position switch relay.
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’s wir-
ing.