Yamaha MT-01 Service Manual page 819

Manuals by Motomatrix / www.motomatrix.co.uk
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 FUS-
ES" 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 mo-
tor.
Refer to "CHECKING THE MUF-
FLER COOLING FAN MOTOR" on
page 7-108.
OK ↓
4. Check the muffler cooling fan motor
relay.
Refer to "CHECKING THE RE-
LAYS" on page 7-96.
OK ↓
5. Check the muffler cooling fan tem-
perature sensor.
Refer to "CHECKING THE MUF-
FLER COOLING FAN TEMPERA-
TURE 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.
Email: info@motomatrix.co.uk
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 re-
lay.
NG →
Replace the muffler cooling fan tempera-
ture sensor.
NG →
Properly connect or repair the muffler cool-
ing system wiring.
7-73