Yamaha WR250R, Service Manual

Page: 292 / 364

SIGNALING SYSTEM
8-21
EAS27290
TROUBLESHOOTING
●
Any of the following fail to light: turn signal light, brake light, turn signal indicator light and fuel level
warning light.
●
The horn fails to sound.
●
The speedometer does not operate normally.
●
The fuel indicator light does not come on.
●
The coolant temperature warning light does not operate normally.
NOTE:
Before troubleshooting, remove the following part (s):
1. Seat
2. Side cover (left)
3. Air scoop (left/right)
4. Fuel tank
.
Check the signaling system
The horn fails to sound.
1. Check the fuses.
(Main, ignition, signaling and head-
light)
Refer to
“CHECKING THE FUSES” on
page 8-67
.
NG
→
Replace the fuse (s).
OK
↓
2. Check the battery.
Refer to
“CHECKING AND CHARG-
ING THE BATTERY” on page 8-68
.
NG
→
●
Clean the battery terminals.
●
Recharge or replace the battery.
OK
↓
3. Check the main switch.
Refer to
“CHECKING THE
SWITCHES” on page 8-63
.
NG
→
Replace the main switch.
OK
↓
4. Check the entire signaling system
’
s
wiring.
Refer to
“CIRCUIT DIAGRAM” on page
8-19
.
NG
→
Properly connect or repair the signaling
system’s wiring.
OK
↓
This circuit is OK.
1. Check the horn switch.
Refer to
“CHECKING THE
SWITCHES” on page 8-63
.
NG
→
Replace the left handlebar switch.
OK
↓
2. Check the horn.
Refer to
“CHECKING THE HORN” on
page 8-77
.
NG
→
Replace the horn.
OK
↓
3. Check the entire signaling system
’
s
wiring.
Refer to
“CIRCUIT DIAGRAM” on page
8-19
.
NG
→
Properly connect or repair the signaling
system
’
s wiring.
OK
↓