Yamaha XV16AL, Service Manual

Page: 411 / 449

7 - 32
– +
ELEC
LIGHTING SYSTEM
EB805010
TROUBLESHOOTING
Check:
1. main, and headlight fuses
2. battery
3. main switch
4. dimmer switch
5. wiring
(of the entire charging system)
NOTE:
• Before troubleshooting, remove the fol-
lowing part(s):
1) rider seat
2) fuel tank
3) left side cover
4) headlight lens unit
• Troubleshoot with the following special
tool(s).
Any of the following fail to light: head-
light, high beam indicator light, taillight,
position light or meter light.
Pocket tester
YU-03112
EB802400
YES NO
1.Main and headlight fuses
• Check the main and headlight fuses for
continuity.
Refer to “CHECKING THE FUSES” in
chapter 3.
• Are the main and headlight fuses OK?
Replace the fuse(s).
EB802401
YES
NO
2.Battery
• Check the condition of the battery.
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Open-circuit voltage
12.8 V or more at 20 ˚C (68 ˚F)
• Is the battery OK?
• Clean the battery
terminals.
• Recharge or
replace the battery.
EB802411
YES
NO
3.Main switch
• Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the main switch OK?
Replace the main
switch.
EB805401
YES
NO
4.Dimmer switch
• Check the dimmer switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the dimmer switch OK?
Replace the left han-
dlebar switch.
7