Troubleshooting - Yamaha MIO Service Manual

EAS00781

TROUBLESHOOTING

Any of the following fail to light: head-
light, high beam indicator light, taillight
or meter light.
Check:
1. fuse
2. battery
3. main switch
4. light switch
5. dimmer switch
6. lighting coil resistance
7. wiring connections
(of the entire lighting system)
NOTE:
_
• Before troubleshooting, remove the following
part(s):
1. seat
2. center cover
3. rear panel
4. right side cover
5. headlight assembly
• Troubleshoot with the following special
tool(s).
Pocket tester
90890-03112
LIGHTING SYSTEM
EAS00738
1. Fuse
• Check the fuse for continuity.
Refer to "CHECKING THE FUSE" in chap-
ter 3.
• Is the fuse OK?
EAS00739
2. Battery
• Check the condition of the battery.
Refer to "CHECKING AND CHARGING
THE BATTERY" in chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C (68 °F)
• Is the battery OK?
EAS00749
3. Main switch
• Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the main switch OK?
7 - 30
ELEC
YES
Replace the fuse.
YES
• Refill battery fluid.
• Clean the battery
terminals.
• Recharge or
replace the battery.
YES
Replace the
switch.
– +
NO
NO
NO
main