Chapter Iii Electronic Fuel Injection System (Efi) - Benelli TNT125 Maintenance Manual

Chapter III Electronic Fuel Injection System
Introduction to EFI .................................................................................................................................... - 122 -
EFI System ................................................................................................................................................ - 123 -
EFI Part Position ........................................................................................................................................ - 125 -
Technical Parameters ................................................................................................................................. - 131 -
Fuel tank .................................................................................................................................................... - 133 -
Exploded View of Fuel Tank ............................................................................................................. - 133 -
Evaporative Emission Recovery System of Fuel ............................................................................... - 135 -
Disassembly of Fuel Tank .................................................................................................................. - 136 -
Check ................................................................................................................................................. - 138 -
Installatation of fuel tank ................................................................................................................... - 140 -
Notes for EFI Overhaul ............................................................................................................................. - 141 -
Notes for EFI Overhaul ..................................................................................................................... - 141 -
ECU ........................................................................................................................................................... - 143 -
Engine controller (MT05.2ECU) ....................................................................................................... - 143 -
ECU Appearance ............................................................................................................................... - 143 -
ECU Disassembly .............................................................................................................................. - 143 -
ECU Installation ................................................................................................................................ - 144 -
Notes for ECU ................................................................................................................................... - 144 -
ECU Power Supply Requirements ..................................................................................................... - 144 -
ECU Temperature Requirements ....................................................................................................... - 145 -
Fuel pump .................................................................................................................................................. - 146 -
Working of Fuel Pump ....................................................................................................................... - 146 -
Appearance of Fuel Pump.................................................................................................................. - 147 -
Composition of Fuel Pump ................................................................................................................ - 148 -
Label and Mark of Fuel Pump ........................................................................................................... - 148 -
Working Environment of Fuel Pump ................................................................................................. - 149 -
Fuel pump Maintenance Process ....................................................................................................... - 149 -
Safety Protection: ....................................................................................................................... - 149 -
Fault Diagnosis of Fuel Pump Assembly: .................................................................................. - 150 -
Disassembly of Fuel Pump Assembly: ...................................................................................... - 150 -
Installation of Fuel Pump Assembly: ......................................................................................... - 151 -
Fuel Pressure Release Process: .................................................................................................. - 151 -
(EFI)
Contents
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