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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.................................................................................................................. 3-16
Specifications ......................................................................................................................... 3-18
Special Tools and Sealant ...................................................................................................... 3-20
DFI Servicing Precautions...................................................................................................... 3-22
DFI Servicing Precautions ................................................................................................... 3-22
Troubleshooting the DFI System ............................................................................................ 3-24
Outline ................................................................................................................................. 3-24
Inquiries to Rider.................................................................................................................. 3-28
DFI System Troubleshooting Guide ....................................................................................... 3-31
Self-Diagnosis ........................................................................................................................ 3-36
Self-diagnosis Outline.......................................................................................................... 3-36
Self-diagnosis Procedures................................................................................................... 3-37
Service Code Reading...................................................................................................... 3-39
Service Code Erasing ....................................................................................................... 3-40
Backups............................................................................................................................... 3-41
Main Throttle Sensor (Service Code 11) ................................................................................ 3-44
Main Throttle Sensor Removal/Adjustment ...................................................................... 3-44
Main Throttle Sensor Input Voltage Inspection ................................................................. 3-44
Main Throttle Sensor Output Voltage Inspection .............................................................. 3-45
Main Throttle Sensor Resistance Inspection .................................................................... 3-47
Intake Air Pressure Sensor #1 (Service Code 12).................................................................. 3-48
Intake Air Pressure Sensor #1 Removal........................................................................... 3-48
Intake Air Pressure Sensor #1 Installation........................................................................ 3-48
Intake Air Pressure Sensor #1 Input Voltage Inspection................................................... 3-49
Intake Air Pressure Sensor #1 Output Voltage Inspection................................................ 3-50
Intake Air Temperature Sensor (Service Code 13)................................................................. 3-54
Intake Air Temperature Sensor Removal/Installation........................................................ 3-54
Intake Air Temperature Sensor Output Voltage Inspection ............................................... 3-54
Intake Air Temperature Sensor Resistance Inspection..................................................... 3-55
Water Temperature Sensor (Service Code 14) ...................................................................... 3-57
Water Temperature Sensor Removal/Installation ............................................................. 3-57
Water Temperature Sensor Output Voltage Inspection..................................................... 3-57
Water Temperature Sensor Resistance Inspection........................................................... 3-58
Intake Air Pressure Sensor #2 (Service Code 16).................................................................. 3-59
Intake Air Pressure Sensor #2 Removal........................................................................... 3-59
Intake Air Pressure Sensor #2 Installation........................................................................ 3-59
Intake Air Pressure Sensor #2 Input Voltage Inspection................................................... 3-60
Intake Air Pressure Sensor #2 Output Voltage Inspection................................................ 3-61
Crankshaft Sensor (Service Code 21).................................................................................... 3-63
Crankshaft Sensor Removal/Installation........................................................................... 3-63
Crankshaft Sensor Resistance Inspection........................................................................ 3-63
Crankshaft Sensor Peak Voltage Inspection..................................................................... 3-63
Speed Sensor (Service Code 24, 25)..................................................................................... 3-64
Speed Sensor Removal/Installation.................................................................................. 3-64
Speed Sensor Input Voltage Inspection............................................................................ 3-64
Speed Sensor Output Voltage Inspection......................................................................... 3-65
Vehicle-down Sensor (Service Code 31)................................................................................ 3-67
Vehicle-down Sensor Removal......................................................................................... 3-67
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