Troubleshooting - Yamaha XV19SX(C) 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 (for XV19S(C)/
XV19M(C)/ XV19CTS(C)/
XV19CTM(C)))
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