Yamaha XN125 2000, Service Manual

Page: 230 / 259

ELEC
8-23
EAS00781
TROUBLESHOOTING
ANY OF THE FOLLOWING FAIL TO
LIGHT: HEADLIGHT, HIGH BEAM
INDICATOR LIGHT, TAILLIGHT,
AUXILIARY LIGHT OR INSTRUMENT
LIGHT .
Check:
1. main fuse
2. battery
3. main switch
4. lighting switch
5. dimmer switch
6. wiring (of the entire lighting system)
NOTE:
Before troubleshooting, remove the following
part(s):
1)Side covers
2)Box and seat
3)Front cover and handlebar covers
Troubleshoot with the following special tool(s).
Pocket tester
90890-03112
EAS00738
1. Main fuse
• Check the main fuse for continuity.
• Refer to “CHECKING THE FUSES” in chap-
ter 3.
• Is the main fuse OK?
Replace the fuse.
YES NO
• Clean the battery
terminals.
• Recharge or re-
place the battery.
EAS00739
2. Battery
• Check the condition of the battery.
Refer to “CHECKING THE BATTERY” in
chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20
°
C
• Is the battery OK?
YES NO
EAS00749
3. Main switch
• Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the main switch OK?
YES NO
Replace the main
switch.
EAS00783
4. Lighting switch
• Check the lighting switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the lighting switch OK?
YES NO
The lighting switch is
faulty. Replace the
right handlebar
switch.
LIGHTING SYSTEM