FUEL INJECTION SYSTEM
7-63
Fault code No.
63
Symptom Engine trouble warning light is flashing. (Abnormally high
temperature is detected by muffler cooling fan tempera-
ture sensor.)
Diagnostic code No.
12
51
63
Muffler cooling fan temperature sensor
Muffler cooling fan motor relay
Stopping the flashing of the engine trouble warning light
(erasing the muffler cooling fan temperature sensor fault
code)
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Muffler cover fan fuse or ECU fuse is
blown.
• Check the muffler cover fan
fuse and ECU fuse.
Refer to “CHECKING THE
FUSES” on page 7-93.
Turning the
main switch to
“ON”.
Execute the
diagnostic
mode. (Code
No.63)
2
Defective muffler cooling fan
temperature sensor or motor relay
• Execute the diagnostic mode.
(Code No.12 and 51)
• Replace if defective.
Refer to “CHECKING THE
MUFFLER COOLING FAN
TEMPERATURE SENSOR” on
page 7-108 and “CHECKING
THE RELAYS” on page 7-96.
3
• Positions of muffler cooling fan
temperature sensor and its
surrounding parts changed due to
deformed parts near sensor
• Muffler cooling fan temperature
sensor detected a temperature of
120 °C (248 °F) or higher.
• Check that the parts near the
muffler cooling fan temperature
sensor are not deformed and
that the sensor and its
surrounding parts are in their
correct positions. Repair or
replace if necessary.
Fault code No.
Er-1 Symptom No signals are received from the ECU.
Diagnostic code No.
—
—
Order Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Main wire harness ECU coupler
• Main wire harness meter assembly
coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
Turning the
main switch to
“ON”.
2
Open or short circuit in wire harness.
• Repair or replace if there is an
open or short circuit.
• Between meter assembly
coupler and ECU coupler
(yellow/blue–yellow/blue)
3
Malfunction in meter assembly.
Replace the meter assembly.
4
Malfunction in ECU.
Replace the ECU.
Summary of Contents for 2005 MT-01
Page 1: ...2005 SERVICE MANUAL MT 01 T 5YU1 AE1 ...
Page 7: ...GEN INFO 1 ...
Page 9: ......
Page 24: ...SPEC 2 ...
Page 26: ......
Page 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 35 1 4 3 2 ...
Page 63: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 3 2 1 1 A A B B B B A A ...
Page 64: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 38 1 Oil pump 2 Oil strainer crankcase 3 Oil pipe 1 ...
Page 65: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 3 4 2 1 A ...
Page 77: ...CABLE ROUTING 2 51 A A B D D E F G C 1 2 3 3 4 4 5 6 7 8 9 ...
Page 79: ...CABLE ROUTING 2 53 A A A A A B C D D E F A A 1 1 2 2 5 3 6 8 10 10 11 A G H I K J 4 7 9 9 9 ...
Page 83: ...CHK ADJ 3 ...
Page 120: ...CHAS 4 ...
Page 195: ...ENG 5 ...
Page 199: ......
Page 214: ...ENGINE REMOVAL 5 15 25 10 11 28 26 12 29 27 14 30 26 24 2 21 19 18 18 19 23 22 20 9 13 ...
Page 279: ...CRANKCASE 5 80 ...
Page 296: ...FUEL 6 ...
Page 298: ......
Page 312: ......
Page 313: ...ELEC 7 ...
Page 327: ...CHARGING SYSTEM 7 12 1 AC magneto 2 Rectifier regulator 4 Battery 8 Main fuse ...
Page 329: ...CHARGING SYSTEM 7 14 ...
Page 339: ...SIGNALING SYSTEM 7 24 ...
Page 381: ...FUEL INJECTION SYSTEM 7 66 ...
Page 385: ...FUEL PUMP SYSTEM 7 70 ...
Page 389: ...MUFFLER COOLING SYSTEM 7 74 ...
Page 398: ...IMMOBILIZER SYSTEM 7 83 Example fault code 52 a b a Light on b Light off ...
Page 399: ...IMMOBILIZER SYSTEM 7 84 ...
Page 400: ...ELECTRICAL COMPONENTS 7 85 EAS27970 ELECTRICAL COMPONENTS 4 3 5 7 6 8 9 10 12 13 14 15 1 2 11 ...
Page 402: ...ELECTRICAL COMPONENTS 7 87 3 4 6 5 8 7 9 11 12 13 14 15 16 17 18 1 2 10 ...
Page 424: ...TRBL SHTG 8 ...
Page 426: ......
Page 433: ......
Page 434: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...