FUEL INJECTION SYSTEM
8-49
1
Defective intake air pressure sensor or
atmospheric pressure sensor.
• Execute the diagnostic mode. (Code No. D:03
and/or D:02)
• Replace if defective.
Refer to “CHECKING THE INTAKE AIR
PRESSURE SENSOR” on page 8-139 or
“CHECKING THE ATMOSPHERIC PRES-
SURE SENSOR” on page 8-138.
Reinstatement method
Turning the main switch to “ON”.
Fault code No.
21
Item
Coolant temperature sensor: open or short circuit detected.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No.
D:06
Meter display
Displays the coolant temperature.
Checking method
Compare the actually measured coolant temperature with the
meter display value.
Probable cause of malfunction
Check or maintenance job
1
Installed condition of coolant tempera-
ture sensor.
• Check for looseness or pinching.
2
Connections
• Coolant temperature sensor coupler
• Wire harness ECU coupler
• Sub-wire harness 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.
3
Open or short circuit in wire harness
and/or sub-wire harness.
• Repair or replace if there is an open or short
circuit.
• Between coolant temperature sensor coupler
and sub-wire harness coupler.
(black/blue–black/blue)
(green/orange–green/orange)
• Between sub-wire harness coupler and ECU
coupler.
(black/blue–black/blue)
(green/white–green/white)
4
Defective coolant temperature sensor.
• Execute the diagnostic mode. (Code No. D:06)
• Replace if defective.
Refer to “CHECKING THE COOLANT TEM-
PERATURE SENSOR” on page 8-136.
Reinstatement method
Turning the main switch to “ON”.
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.
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 ...