FUEL INJECTION SYSTEM
8-60
Fault code No.
42
Item
A
Rear wheel sensor: no normal signals are received from the
rear wheel sensor.
B
Gear position switch: open or short circuit is detected in
the neutral circuit of the gear position switch.
B
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No.
D:21
Meter display
Gear position switch
• ON (neutral)
• OFF (in gear)
Checking method
Shift the transmission.
Probable cause of malfunction
Check or maintenance job
1
Connections
• Gear position switch coupler
• Wire harness ECU coupler
• Relay unit 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.
2
Open or short circuit in wire harness.
• Repair or replace if there is an open or short
circuit.
• Between gear position switch coupler and re-
lay unit coupler.
(sky blue–sky blue)
• Between relay unit coupler and ECU coupler.
(black/yellow–black/yellow)
3
Faulty shift drum (neutral detection area). • Replace if defective.
Refer to “TRANSMISSION” on page 5-98.
4
Defective gear position switch (neutral
circuit).
• Execute the diagnostic mode. (Code No. D:21)
• Replace if defective.
Refer to “CHECKING THE SWITCHES” on
page 8-121.
Reinstatement method
Starting the engine, and inputting the vehicle speed signals by op-
erating the vehicle at a 20 to 30 km/h.
Fault code No.
43
Item
Fuel system voltage: the ECU is unable to monitor the battery
voltage (an open or short circuit in the line to the ECU).
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No.
D:09
Meter display
Approximately 12.0
Checking method
Set the engine stop switch to “
”, and then compare with the ac-
tually measured battery voltage. (If the battery voltage is lower,
perform recharging.)
Summary of Contents for Vmax VMX17C 2009
Page 1: ...2009 SERVICE MANUAL VMX17Y C LIT 11616 22 64 2S3 28197 10 ...
Page 6: ......
Page 8: ......
Page 52: ...SPECIAL TOOLS 1 43 ...
Page 85: ...LUBRICATION POINTS AND LUBRICANT TYPES 2 32 ...
Page 90: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 37 1 4 5 2 3 ...
Page 92: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 39 A 2 A 4 3 2 1 ...
Page 94: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 41 A A 1 A A 7 6 8 5 4 3 2 ...
Page 98: ...COOLING SYSTEM DIAGRAMS 2 45 6 1 2 3 4 5 2 3 4 5 7 6 8 9 A B C F E D ...
Page 102: ...CABLE ROUTING 2 49 A B B A B B A B C D E F F H I 1 2 3 4 4 5 6 7 8 G 6 ...
Page 106: ...CABLE ROUTING 2 53 A B 7 1 2 3 4 5 6 12 11 13 F E D 10 C G 14 9 8 ...
Page 110: ...CABLE ROUTING 2 57 A A A B D E F H 1 2 2 3 4 3 5 6 7 8 9 C 4 5 G ...
Page 114: ...CABLE ROUTING 2 61 A A A A A B C 1 2 3 4 5 6 7 8 9 10 11 ...
Page 120: ...CABLE ROUTING 2 67 B A C C B A C C A B C D E F G H I J 1 2 1 2 5 1 2 3 5 3 4 5 ...
Page 124: ...CABLE ROUTING 2 71 ...
Page 127: ......
Page 270: ...SHAFT DRIVE 4 105 ...
Page 316: ...GENERATOR AND STARTER CLUTCH 5 43 a 1 ...
Page 364: ...CONNECTING RODS AND PISTONS 5 91 a ...
Page 390: ...MIDDLE GEAR 5 117 ...
Page 406: ...WATER PUMP 6 15 ...
Page 425: ...THROTTLE BODIES 7 18 1 ...
Page 426: ...AIR INDUCTION SYSTEM 7 19 EAS27040 AIR INDUCTION SYSTEM A A 6 5 4 5 6 1 4 3 3 2 1 A B C D ...
Page 433: ......
Page 439: ...IGNITION SYSTEM 8 6 ...
Page 445: ...ELECTRIC STARTING SYSTEM 8 12 ...
Page 447: ...CHARGING SYSTEM 8 14 1 AC magneto 2 Rectifier regulator 6 Main fuse 8 Battery 9 Frame ground ...
Page 449: ...CHARGING SYSTEM 8 16 ...
Page 461: ...SIGNALING SYSTEM 8 28 ...
Page 465: ...COOLING SYSTEM 8 32 ...
Page 501: ...FUEL INJECTION SYSTEM 8 68 ...
Page 505: ...FUEL PUMP SYSTEM 8 72 ...
Page 509: ...ABS ANTI LOCK BRAKE SYSTEM 8 76 ...
Page 549: ...ABS ANTI LOCK BRAKE SYSTEM 8 116 ...
Page 552: ...ELECTRICAL COMPONENTS 8 119 3 4 5 6 2 1 7 8 9 10 11 12 13 14 15 16 17 18 19 ...
Page 574: ...ELECTRICAL COMPONENTS 8 141 ...
Page 581: ......
Page 582: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...