Troubleshooting - Yamaha 2009 YFM25RY Service Manual

EAS27290

TROUBLESHOOTING

Any of the following fail to light: brake light or an indicator light.
TIP
• Before troubleshooting, remove the following part(s):
1. Seat
2. Front fender
1. Check the fuse.
Refer to "CHECKING THE FUSES"
on page 7-33.
OK↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-33.
OK↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 7-29.
OK↓
4. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-19.
OK↓
This circuit is OK.
Check the signaling system
The tail/brake light fails to come on.
1. Check the tail/brake light bulb and
socket.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page 7-
32.
OK↓
2. Check the brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 7-29.
OK↓
SIGNALING SYSTEM
NG→
Replace the fuse.
NG→
• Clean the battery terminals.
• Recharge or replace the battery.
NG→
Replace the main switch.
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the tail/brake light bulb,
socket or both.
NG→
Replace the brake light switch.
7-21