Yamaha XG250, Service Manual

Page: 244 / 278

SIGNALING SYSTEM
7-21
EAS27290
TROUBLESHOOTING
●
Any of the following fail to light: turn signal light, brake light or an indicator light.
●
The horn fails to sound.
NOTE:
Before troubleshooting, remove the following part(s):
1. Seat
2. Side cover (left/right)
3. Fuel tank side cover (left/right)
4. Fuel tank
5. Tool box (left/right)
Check the signaling system
The horn fails to sound.
1. Check the fuse.
Refer to “CHECKING THE FUSE” on
page 7-37.
NG
→
Replace the fuse.
OK
↓
2. Check the battery.
Refer to “CHECKING AND CHARG-
ING THE BATTERY” on page 7-38. NG
→
●
Clean the battery terminals.
●
Recharge or replace the battery.
OK
↓
3. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 7-33. NG
→
Replace the main switch.
OK
↓
4. Check the entire signaling system’s
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 7-19.
NG
→
Properly connect or repair the signaling sys-
tem’s wiring.
OK
↓
This circuit is OK.
1. Check the horn switch.
Refer to “CHECKING THE
SWITCHES” on page 7-33.
NG
→
Replace the left handlebar switch.
OK
↓
2. Check the horn.
Refer to “CHECKING THE HORN”
on page 7-45.
NG
→
Replace the horn.
OK
↓
3. Check the entire signaling system’s
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 7-19.
NG
→
Properly connect or repair the signaling sys-
tem’s wiring.
OK
↓
This circuit is OK.