Yamaha XT250X 2008, Service Manual, Page: 242 / 282

LIGHTING SYSTEM
7-17
EAS27260
TROUBLESHOOTING
Any of the following fail to light: headlight, high beam indicator light, taillight, license light or meter light.
NOTE:
Before troubleshooting, remove the following part(s):
1.Seat
2.Rear side cover
3.Tool box
1. Check the each bulbs and bulb
sockets condition.
Refer to
“CHECKING THE BULBS
AND BULB SOCKETS” on page 7-36
.
NG
→
Replace the bulb(s), bulb socket(s) or both.
OK
↓
2. Check the fuse.
Refer to
“CHECKING THE FUSE” on
page 7-37
.
NG
→
Replace the fuse(s).
OK
↓
3. Check the battery.
Refer to
“CHECKING AND CHARG-
ING THE BATTERY” on page 7-37
.
NG
→
●
Clean the battery terminals.
●
Recharge or replace the battery.
OK
↓
4. Check the main switch.
Refer to
“CHECKING THE
SWITCHES” on page 7-33
.
NG
→
Replace the main switch.
OK
↓
5. Check the dimmer switch.
Refer to
“CHECKING THE
SWITCHES” on page 7-33
.
NG
→
The dimmer switch is faulty. Replace the left
handlebar switch.
OK
↓
6. Check the headlight relay (on/off).
Refer to
“CHECKING THE RELAYS”
on page 7-40
.
NG
→
Replace the headlight relay.
OK
↓
7. Check the headlight relay (dimmer).
Refer to
“CHECKING THE RELAYS”
on page 7-40
.
NG
→
Replace the headlight relay.
OK
↓
8. Check the entire lighting system’s
wiring.
Refer to
“CIRCUIT DIAGRAM” on page
7-15
.
NG
→
Properly connect or repair the lighting
system’s wiring.
OK
↓
This circuit is OK.
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