Troubleshooting - Yamaha VMAX 2009 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 shift indicator fails to come on.
• The fuel meter fails to come on.
• The coolant temperature meter fails to come on.
• The speedometer fails to operate.
TIP
• Before troubleshooting, remove the following part(s):
1. Top cover
2. Right side cover
3. Fuel tank
1. Check the fuses.
(Main, ignition, signaling system,
backup, ABS ECU and parking
lighting)
Refer to "CHECKING THE FUS-
ES" on page 8-133.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-134.
OK ↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-129.
OK ↓
4. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK ↓
Check the condition of each of the sig-
naling system 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 8-129.
OK ↓
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch/immobilizer unit.
NG →
Properly connect or repair the signaling
system wiring.
NG →
Replace the left handlebar switch.
8-23
SIGNALING SYSTEM