Benelli TNT 25 - Page 9

CLEANING METHOD OF THROTTLE ................................................................................................................ 3-29
INSTALLATION OF THROTTLE .......................................................................................................................... 3-29
PRECAUTIONS FOR INSTALLATION OF THROTTLE .................................................................................... 3-29
NOTES FOR USE OF THROTTLE VALVE ........................................................................................................... 3-29
WORKING PRINCIPLE OF FUEL INJECTOR .................................................................................................... 3-30
APPEARANCE OF FUEL INJECTOR .................................................................................................................... 3-30
SEALING RING OF FUEL INJECTOR ................................................................................................................. 3-30
OVERVOLTAGE IMPACT OF FUEL INJECTOR ............................................................................................... 3-32
TEMPERATURE RANGE OF FUEL INJECTOR: ................................................................................................ 3-32
FUEL CONTAMINANTS OF FUEL INJECTOR ................................................................................................... 3-32
FUEL INJECTOR HARNESS ARRANGEMENT .................................................................................................. 3-32
NOTES FOR USE OF FUEL INJECTOR ............................................................................................................... 3-33
REQUIREMENTS FOR INSTALLATION OF FUEL INJECTOR ...................................................................... 3-34
INJECTOR REPLACEABILITY .............................................................................................................................. 3-34
BLOCKING OF FUE INJECTOR ............................................................................................................................ 3-35
ENGINE TEMPERATURE SENSOR ....................................................................................................................... 3-36
INTAKE AIR TEMPERATURE SENSOR .............................................................................................................. 3-37
MANIFOLD ABSOLUTE PRESSURE SENSOR .................................................................................................... 3-39
OXYGEN SENSOR ...................................................................................................................................................... 3-41
IDLE SPEED STEPPER MOTOR ............................................................................................................................ 3-43
CARBON CANISTER SOLENOID VALVE (ECP) ................................................................................................ 3-45
FAULT MAINTENANCE DIAGNOSIS METHOD OF EFI SYSTEM ................................................................ 3-47
DIRECTLY MAKING THE FAULT LAMP AT INSTRUMENT FLASH FOR DIAGNOSIS .......................... 3-47
DIAGNOSING FAULT USING DIAGNOSTIC TOOL.......................................................................................... 3-50
CHECKING FAULT USING DIAGNOSTIC SOFTWARE PCHUD ................................................................... 3-51
COMMON TROUBLESHOOTING METHODS OF ELECTRONIC FUEL INJECTION SYSTEM ............. 3-57
MAINTENANCE TOOL ............................................................................................................................................ 3-57
ENGINE WORKING DATA FLOW DISPLAYED BY DIAGNOSTIC TOOL .................................................. 3-58
CONCISE TROUBLESHOOTING .......................................................................................................................... 3-58
CHAPTER IV COOLING SYSTEM
EXPLOSIVE VIEW ...................................................................................................................................................... 4-2
COOLANT FLOW DIAGRAM ................................................................................................................................... 4-4
TECHNICAL PARAMETERS..................................................................................................................................... 4-6
COOLANT ..................................................................................................................................................................... 4-7
CHECKING WHETHER COOLANT DETERIORATES ....................................................................................... 4-7
CHECKING COOLANT LEVEL ............................................................................................................................... 4-7
DISCHARGING COOLANT ...................................................................................................................................... 4-7
ADDING COOLANT ................................................................................................................................................... 4-7
DETECTING PRESSURE ........................................................................................................................................... 4-7
CLEANING COOLING SYSTEM ............................................................................................................................. 4-8
DISASSEMBLING/INSTALLING RESERVE TANK ............................................................................................. 4-8
COOLANT PUMP ....................................................................................................................................................... 4-9
DISASSEMBLING COOLANT PUMP ..................................................................................................................... 4-9
INSTALLING COOLANT PUMP .............................................................................................................................. 4-9
CHECKING COOLANT PUMP IMPELLER ......................................................................................................... 4-10
RADIATOR .................................................................................................................................................................. 4-11
DISASSEMBLING RADIATOR AND RADIATOR FAN ...................................................................................... 4-11
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