FUEL INJECTION SYSTEM
7-34
33
Malfunction detected in the
primary wire of the
cylinder-#1 left or right
ignition coil.
• Open or short circuit in wire sub lead.
• Open or short circuit in wire harness.
• Malfunction in cylinder-#1 left or right
ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-
off circuit system.
30
32
34
Malfunction detected in the
primary wire of the
cylinder-#2 left ignition coil.
• Open or short circuit in wire harness.
• Malfunction in cylinder-#2 left ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-
off circuit system.
31
35
Malfunction detected in the
primary wire of the
cylinder-#1 left or right
ignition coil.
• Open or short circuit in wire sub lead.
• Open or short circuit in wire harness.
• Malfunction in cylinder-#1 left or right
ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-
off circuit system.
30
32
36
Malfunction detected in the
primary wire of the
cylinder-#2 right ignition
coil.
• Open or short circuit in wire harness.
• Malfunction in cylinder-#2 right ignition coil.
• Malfunction in ECU.
• Malfunction in a component of ignition cut-
off circuit system.
33
37
Engine speed is high when
the engine is idling.
• Open circuit in wire harness.
• Malfunction in throttle body.
• Malfunction in throttle cables.
• ISC valve is stuck fully open due to
disconnected ISC unit hose or coupler.
(High engine idle speed is detected with the
ISC valve stuck fully open even though
signals for the valve to close are
continuously being transmitted by the
ECU.)
• Malfunction in ECU.
• ECU fuse is blown.
54
38
Decompression solenoid:
open or short circuit
detected.
• Open or short circuit in wire harness.
• Defective decompression solenoid.
• Malfunction in ECU.
• Improperly installed sensor.
55
41
Lean angle cut-off switch:
open or short circuit
detected.
• Open or short circuit in wire harness.
• Defective lean angle cut-off switch.
• Malfunction in ECU.
08
Fault
code
No.
Symptom
Probable cause of malfunction
Diagnostic
code No.
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 ...