Troubleshooting - Yamaha MT-01 T 2005 Service Manual

ET5YU1004

TROUBLESHOOTING

The muffler cooling fan motor fails to turn.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Seat
1. Check the fuses.
(Main, muffler cover fan, and ECU)
Refer to "CHECKING THE FUSES"
on page 7-93.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-94.
OK ↓
3. Check the muffler cooling fan
motor.
Refer to "CHECKING THE
MUFFLER COOLING FAN
MOTOR" on page 7-107.
OK ↓
4. Check the muffler cooling fan motor
relay.
Refer to "CHECKING THE
RELAYS" on page 7-96.
OK ↓
5. Check the muffler cooling fan
temperature sensor.
Refer to "CHECKING THE
MUFFLER COOLING FAN
TEMPERATURE SENSOR" on
page 7-108.
OK ↓
6. Check the entire muffler cooling
system wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-71.
OK ↓
Replace the ECU.
MUFFLER COOLING SYSTEM
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the muffler cooling fan motor.
NG →
Replace the muffler cooling fan motor relay.
NG →
Replace the muffler cooling fan temperature
sensor.
NG →
Properly connect or repair the muffler
cooling system wiring.
7-73