Yamaha Vmax VMX17C 2009 - Troubleshooting

COOLING SYSTEM
8-31
EAS27320
TROUBLESHOOTING
The radiator fan motor fails to turn.
T
IP
• Before troubleshooting, remove the following part(s):
1. Top cover
2. Right side cover
3. Rear fender
NG →
OK ↓
NG →
OK ↓
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OK ↓
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NG →
OK ↓
1. Check the fuses.
(Main, ignition, main radiator fan
motor, and sub radiator fan motor)
Refer to “CHECKING THE FUS-
ES” on page 8-125.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-126.
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 8-121.
Replace the main switch.
4. Check the radiator fan motors.
Refer to “CHECKING THE RADIA-
TOR FAN MOTORS” on page
8-136.
Replace the radiator fan motor(s).
5. Check the radiator fan motor relay.
Refer to “CHECKING THE RE-
LAYS” on page 8-129.
Replace the radiator fan motor relay.
6. Check the coolant temperature sen-
sor.
Refer to “CHECKING THE COOL-
ANT TEMPERATURE SENSOR”
on page 8-136.
Replace the coolant temperature sensor.
7. Check the entire cooling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-29.
Properly connect or repair the cooling sys-
tem wiring.
Replace the ECU.