Hisun HS250UTV - CHAPTER 6 ELECTRICAL COMPONENTS; CHAPTER 7 ENGINE MANAGEMENT SYSTEM

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STARTER MOTOR………………………………………………………………………… 247
CHARGING SYSTEM……………………………………………………………………… 247
Circuit diagram………………………………………………………………………… 247
Troubleshooting……………………………………………………………………… 248
LIGHTING SYSTEM………………………………………………………………………… 249
Circuit diagram………………………………………………………………………… 249
Troubleshooting……………………………………………………………………… 250
Checking the lighting system…………………………………………………… 251
SIGNALING SYSTEM……………………………………………………………………… 252
Circuit diagram………………………………………………………………………… 252
Troubleshooting……………………………………………………………………… 253
Checking the signal system……………………………………………………… 254
COOLING SYSTEM………………………………………………………………………… 259
Circuit diagram………………………………………………………………………… 259
Troubleshooting……………………………………………………………………… 260
CHAPTER 7
ENGINE MANAGEMENT SYSTEM
INTRODUCTION
Ems (engine management system) …………………………………………………… 262
Typical components of EMS………………………………………………………………262
Layout of EMS components………………………………………………………………263
COMPONENTS OF EMS
Electronic control unit …………………………………………………………………… 264
Multec 3.5 injectors ……………………………………………………………………… 265
Throttle body assembly(with stepper motor) …………………………………………268
Engine coolant temperature sensor ……………………………………………………270
Intake air pressure and temperature sensor …………………………………………271
Oxygen sensor ………………………………………………………………………… 271
Ignition coil……………………………………………………………………………… 271
Fuel pump module…………………………………………………………………………275
EMS FAULT DIAGNOSIS