Troubleshooting - Yamaha XV19SW Service Manual

EAS27290

TROUBLESHOOTING

• Any of the following fail to light: turn signal light, brake light or an indicator light.
• The horn fails to sound.
• The fuel level gauge fails to operate.
• The speedometer fails to operate.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Tool kit tray
3. Rider seat bracket assembly
4. Headlight assembly
5. Fuel tank
1. Check the fuses.
(Main, backup, ignition, signaling
system and ECU)
Refer to "CHECKING THE FUS-
ES" on page 7-75.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-76.
OK ↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 7-71.
OK ↓
4. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-21.
OK ↓
Check the condition of each of the sig-
naling system's circuits. Refer to
"Checking the signaling system".
Checking the signaling system
The horn fails to sound.
1. Check the horn switch.
Refer to "CHECKING THE
SWITCHES" on page 7-71.
OK ↓
SIGNALING SYSTEM
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch.
NG →
Properly connect or repair the signaling
system wiring.
NG →
The horn switch is faulty. Replace the left
handlebar switch.
7-23