Troubleshooting - Yamaha YZF-R15 Service Manual

TROUBLESHOOTING

The battery is not being charged.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Seat
2. Left side panel/Side Cover.
1. Check the fuse.
Refer to "CHECKING THE FUSE"
on page 8-61.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY " on
page 8-61.
OK ↓
3. Check the stator coil.
Refer to "CHECKING THE STATOR
COIL" on page 8-69.
OK ↓
4. Check the rectifier/regulator.
Refer to "CHECKING THE RECTI-
FIER/REGULATOR " on page 8-69.
OK ↓
5. Check the entire charging system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-11.
OK ↓
The charging system circuit is OK.
NG →
Replace the fuse.
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the crankshaft position sen-
sor/stator assembly.
NG →
Replace the rectifier/regulator.
NG →
Properly connect or repair the charging
system wiring.
8-13
CHARGING SYSTEM