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FUEL INJECTION SYSTEM
8-48
Fault code No.
19
Item
Sidestand switch: a break or disconnection of the blue/yellow
lead of the ECU is detected.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No.
D:20
Meter display
Sidestand switch
• ON (stand retracted)
• OFF (stand extended)
Checking method
Set on/off the sidestand switch. (with the transmission in gear.)
Probable cause of malfunction
Check or maintenance job
1
Connections
• Wire harness ECU 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 ECU and blue/yellow lead.
3
Defective sidestand switch.
• Execute the diagnostic mode. (Code No. D:20)
• Replace if defective.
Refer to “CHECKING THE SWITCHES” on
page 8-121.
Reinstatement method
If the transmission is in gear, retracting the sidestand.
If the transmission is in neutral, reconnecting the wiring.
Fault code No.
20
Item
Intake air pressure sensor or atmospheric pressure sensor:
when the main switch is turned to “ON”, the atmospheric pres-
sure sensor voltage and intake air pressure sensor voltage dif-
fer greatly.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No.
D:03, D:02
D:03
Meter display
Displays the intake air pressure.
Checking method
Set the engine stop switch to “
”, and then push the start switch
“
”. (If the display value changes, the performance is OK.)
D:02
Meter display
Displays the atmospheric pressure.
Checking method
Compare the actually measured atmospheric pressure with the
meter display value.
Probable cause of malfunction
Check or maintenance job
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 ...