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FUEL SYSTEM (DFI) 3-1
3
Fuel System (DFI)
Table of Contents
Exploded View........................................................................................................................ 3-4
DFI System............................................................................................................................. 3-10
DFI Parts Location.................................................................................................................. 3-20
Specifications ......................................................................................................................... 3-23
Special Tools and Sealant ...................................................................................................... 3-25
DFI Servicing Precautions ...................................................................................................... 3-27
DFI Servicing Precautions ................................................................................................... 3-27
Troubleshooting the DFI System ............................................................................................ 3-29
Outline ................................................................................................................................. 3-29
Inquiries to Rider.................................................................................................................. 3-33
DFI System Troubleshooting Guide ....................................................................................... 3-36
Self-Diagnosis ........................................................................................................................ 3-41
Self-Diagnosis Outline ...................................................................................................... 3-41
Self-Diagnosis Procedures ............................................................................................... 3-42
Service Code Reading ...................................................................................................... 3-44
Service Code Erasing ....................................................................................................... 3-44
Backups ............................................................................................................................ 3-45
Main Throttle Sensor (Service Code 11) ................................................................................ 3-48
Main Throttle Sensor Removal/Adjustment ...................................................................... 3-48
Main Throttle Sensor Input Voltage Inspection ................................................................. 3-48
Main Throttle Sensor Resistance Inspection .................................................................... 3-49
Main Throttle Sensor Output Voltage Inspection .............................................................. 3-49
Intake Air Pressure Sensor #1 (Service Code 12).................................................................. 3-52
Intake Air Pressure Sensor #1 Removal........................................................................... 3-52
Intake Air Pressure Sensor #1 Installation........................................................................ 3-52
Intake Air Pressure Sensor #1 Input Voltage Inspection................................................... 3-53
Intake Air Pressure Sensor #1 Output Voltage Inspection................................................ 3-54
Intake Air Temperature Sensor (Service Code 13)................................................................. 3-58
Intake Air Temperature Sensor Removal/Installation........................................................ 3-58
Intake Air Temperature Sensor Output Voltage Inspection ............................................... 3-58
Intake Air Temperature Sensor Resistance Inspection ..................................................... 3-59
Water Temperature Sensor (Service Code 14) ...................................................................... 3-61
Water Temperature Sensor Removal/Installation ............................................................. 3-61
Water Temperature Sensor Output Voltage Inspection..................................................... 3-61
Water Temperature Sensor Resistance Inspection........................................................... 3-62
Intake Air Pressure Sensor #2 (Service Code 16).................................................................. 3-63
Intake Air Pressure Sensor #2 Removal........................................................................... 3-63
Intake Air Pressure Sensor #2 Installation........................................................................ 3-63
Intake Air Pressure Sensor #2 Input Voltage Inspection................................................... 3-64
Intake Air Pressure Sensor #2 Output Voltage Inspection................................................ 3-65
Crankshaft Sensor (Service Code 21).................................................................................... 3-67
Crankshaft Sensor Removal/Installation........................................................................... 3-67
Crankshaft Sensor Resistance Inspection ........................................................................ 3-67
Crankshaft Sensor Peak Voltage Inspection..................................................................... 3-67
Rear Wheel Rotation Sensor Signal (Service Code 24, 25)................................................... 3-68
Rear Wheel Rotation Sensor Signal Inspection................................................................ 3-68
Front Wheel Rotation Sensor Signal (Service Code 27, ABS Equipped Models) .................. 3-71
Front Wheel Rotation Sensor Signal Inspection ............................................................... 3-71
Vehicle-down Sensor (Service Code 31)................................................................................ 3-73
Vehicle-down Sensor Removal ......................................................................................... 3-73
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