Hisun HS800UTV - Page 13

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Typical components of EMS………………………………………………………………323
Layout of EMS components………………………………………………………………324
COMPONENTS OF EMS
Electronic control unit …………………………………………………………………… 324
Multec 3.5 injectors ……………………………………………………………………… 325
Throttle body assembly(with stepper motor) …………………………………………329
Engine coolant temperature sensor …………………………………………………… 331
Intake air pressure and temperature sensor ……………………………………………331
Oxygen sensor …………………………………………………………………………… 332
Ignition coil………………………………………………………………………………… 332
Fuel pump module…………………………………………………………………………336
EMS FAULT DIAGNOSIS
EME fault diagnosis ………………………………………………………………………342
Fault code list………………………………………………………………………………342
CHAPTER 8
TROUBLESHOOTING
STARTING FAILURE/HARD STARTING………………………………………………… 344
Fuel system ……………………………………………………………………………… 344
Electrical system ………………………………………………………………………… 344
Compression system …………………………………………………………………… 345
POOR IDLE SPEED PERFORMANCE ………………………………………………… 345
Poor idle speed performance…………………………………………………………… 345
POOR MEDIUM AND HIGH-SPEED PERFORMANCE ……………………………… 346
Poor medium and high-speed performance………………………………………… 346
FAULTY GEAR SHIFTING………………………………………………………………… 346
Shift lever does not move ……………………………………………………………… 346
Jumps out of gear……………………………………………………………………… 346
OVERHEATING……………………………………………………………………………… 346
Overheating……………………………………………………………………………… 346
FAULTY BRAKE…………………………………………………………………………… 347
Poor braking effect……………………………………………………………………… 347