CFMoto 650NK - FUEL SYSTEM (EFI)

FUEL SYSTEM (EFI) 3-1
FUEL SYSTEM (EFI)
Table of Contents
Exploded View............................................................................................................................. 3-2
EFI System Wiring....................................................................................................................... 3-4
ECU Pin Function......................................................................................................................... 3-6
EFI Parts Location........................................................................................................................ 3-7
Specications............................................................................................................................... 3-9
Special Tools................................................................................................................................ 3-11
EFI Servicing Precautions............................................................................................................ 3-12
EFI Troubleshooting..................................................................................................................... 3-14
Outline..................................................................................................................................... 3-14
EFI System Troubleshooting Table............................................................................................... 3-18
EFI System Troubleshooting Guide............................................................................................. 3-19
Self-diagnosis Outline.................................................................................................................. 3-29
Service Code Table................................................................................................................. 3-32
Backups..................................................................................................................................... 3-34
Backups.................................................................................................................................. 3-34
Throttle Position Sensor (Service Code 11)................................................................................ 3-35
Throttle Position Sensor Removal/Adjustment........................................................................ 3-35
Throttle Position Sensor Input Voltage Inspection................................................................... 3-35
Throttle Position Sensor Output Voltage Inspection ............................................................... 3-36
Throttle Position Sensor Resistance Inspection...................................................................... 3-38
Inlet Air Pressure Sensor (Service Code 12)............................................................................... 3-39
Inlet Air Pressure Sensor Removal.......................................................................................... 3-39
Inlet Air Pressure Sensor Installation....................................................................................... 3-39
Inlet Air Pressure Sensor Input Voltage Inspection.................................................................. 3-39
Inlet Air Temperature Sensor (Service Code 13)......................................................................... 3-40
Inlet Air Temperature Sensor Resistance Inspection............................................................... 3-40
Water Temperature Sensor (Service Code 14)............................................................................ 3-42
Water Temperature Sensor Removal/Installation.................................................................... 3-42
Water Temperature Sensor Output Voltage Inspection............................................................ 3-42
ECU............................................................................................................................................. 3-57
Fuel Line...................................................................................................................................... 3-60
Fuel Pump................................................................................................................................... 3-62
Fuel Injectors............................................................................................................................... 3-68
Throttle Cable.............................................................................................................................. 3-73
Throttle Body Assy....................................................................................................................... 3-74
Error Code Troubleshooting......................................................................................................... 3-77