Troubleshooting - Yamaha MM600D Service Manual

TROUBLESHOOTING

Check the tail/brake light bulb.
OK NO CONTINUITY
Check the brake light switch.
OK FAULTY
Check the lighting coil.
OK OUT OF SPECIFICATION
Correct the connection and/or
replace the rectifier/regulator.
WATER TEMPERATURE AND/OR OIL LEVEL INDICATOR LIGHTS DO NOT COME ON.
Check the water temperature and/or
oil level indicator light bulb(s).
OK NO CONTINUITY
Check the lighting coil.
OK FAULTY
Check the water temperature
sensor or oil level switch.
OK FAULTY
Correct the connection and/or
replace the rectifier/regulator.
BRAKE LIGHT DOES NOT COME ON.
Replace the bulb.
Replace the brake light switch.
Replace the CDI magneto.
Replace the bulb(s).
Replace the CDI magneto.
Replace the water temperature sensor or oil
level switch.
NOTE:
The indicator lights come on for a few seconds
after the engine starts. If the lights do not come
on, check the indicator light circuit and bulb(s).
8-13
SIGNAL SYSTEM
– +
ELEC