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FUEL SYSTEM (DFI) 3-1
3
Fuel System (DFI)
Table of C ontents
Exploded View................................... 3-3
DFI Parts Location............................. 3-8
DFI Wiring Diagram........................... 3-10
Specifications .................................... 3-12
Special Tools ..................................... 3-14
DFI Servicing Precautions................. 3-15
Troubleshooting the DFI System ....... 3-17
Outline ............................................ 3-17
Inquiries to Rider............................. 3-21
DFI System Troubleshooting Guide .. 3-24
Self-Diagnosis ................................... 3-33
Self-diagnosis Outline..................... 3-33
Self-diagnosis Procedures.............. 3-33
Service Code Clearing Procedures 3-34
How to Read Service Codes........... 3-36
How to Erase Service Codes.......... 3-36
Service Code Table......................... 3-37
Backups .......................................... 3-38
Main Throttle Sensor (Service Code
11)................................................... 3-40
Main Throttle Sensor
Removal/Adjustment ................. 3-40
Input Voltage Inspection............... 3-40
Output Voltage Inspection............ 3-41
Resistance Inspection.................. 3-42
Inlet Air Pressure Sensor (Service
Code 12) ......................................... 3-43
Removal....................................... 3-43
Installation.................................... 3-43
Input Voltage Inspection............... 3-43
Output Voltage Inspection............ 3-44
Inlet Air Temperature Sensor (Service
Code 13) ......................................... 3-48
Removal/Installation..................... 3-48
Output Voltage Inspection............ 3-48
Sensor Resistance Inspection ..... 3-49
Water Temperature Sensor (Service
Code 14) ......................................... 3-50
Removal/Installation..................... 3-50
Output Voltage Inspection............ 3-50
Sensor Resistance Inspection ..... 3-51
Atmospheric Pressure Sensor
(Service Code 15)........................... 3-52
Removal....................................... 3-52
Input Voltage Inspection............... 3-52
Output Voltage Inspection............ 3-53
Crankshaft Sensor (Service Code
21)................................................... 3-55
Crankshaft Sensor
Removal/Installation.................. 3-55
Crankshaft Sensor Inspection...... 3-55
Camshaft Position Sensor (Service
Code 23) ......................................... 3-56
Camshaft Position Sensor
Removal/Installation.................. 3-56
Camshaft Position Sensor
Inspection.................................. 3-56
Speed Sensor (Service Code 24, 25) 3-57
Speed Sensor
Removal/Installation.................. 3-57
Speed Sensor Inspection............. 3-57
Input Voltage Inspection............... 3-57
Output Voltage Inspection............ 3-57
Vehicle-down S ensor (Service Code
31)................................................... 3-59
Removal....................................... 3-59
Installation.................................... 3-59
Inspection..................................... 3-59
Subthrottle Sensor (Service Code
32)................................................... 3-62
Subthrottle Sensor
Removal/Adjustment ................. 3-62
Input Voltage Inspection............... 3-62
Output Voltage Inspection............ 3-63
Resistance Inspection.................. 3-64
Stick Coils (#1, #2, #3, #4: Service
Code 51, 52, 53, 54)....................... 3-65
Removal/Installation..................... 3-65
Input Voltage Inspection............... 3-65
Subthrottle Valve Actuator (Service
Code 62) ......................................... 3-67
Subthrottle Valve Actuator
Removal .................................... 3-67
Audible Inspection........................ 3-67
Visual Inspection.......................... 3-67
Resistance Inspection.................. 3-67
Input Voltage Inspection............... 3-68
FI Indicator LED Light........................ 3-69
LED Light Inspection.................... 3-70
ECU................................................... 3-71
ECU Identification ........................ 3-71
ECU Removal .............................. 3-71