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CONTENTS CHAPTER ONE DISASSEMBLY AND INSTALLATION OF ELECTRONIC FUEL INJECTION SYSTEM.......................................................................................................................4 I. Disassembly and Installation of Components of Electronic Fuel Injection System ..................4 CHAPTER TWO PRINCIPLE OF ELECTRONIC FUEL INJECTION SYSTEM ...................6 I. Overhaul of System Components ..............................................................................................6 1. Intake Air Temperature Pressure Sensor ...........................................................................6 2. Tachogenerator of Engine .................................................................................................8 3. Phase Sensor ...................................................................................................................10 4. Water Temperature Sensor ..............................................................................................10 5. Knock Sensor ..................................................................................................................12 6. Electric Throttle Body.....................................................................................................12 7. Oxygen Sensor ................................................................................................................13 8. Fuel Pump Assembly ......................................................................................................16 9. Injector ............................................................................................................................17 10. Ignition Coil ..................................................................................................................19 11. Spark Plug.....................................................................................................................21 12. Carbon Canister Solenoid Valve Control ......................................................................22 13. Electronic Accelerator Pedal.........................................................................................24 14. Three-way Catalytic Converter .....................................................................................24 15. Fan Control ...................................................................................................................25 16. Position Sensor of Double Brake Pedal ........................................................................26 17. Clutch Position Sensor ..................................................................................................26 18. A/C Control...................................................................................................................27 CHAPTER TWO FUNDAMENTAL PRINCIPLE FOR FAILURE DIAGNOSIS OF ELECTRONIC FUEL INJECTION SYSTEM .............................................................................28 1. Failure Information Records ...................................................................................................28 2. Failure State ............................................................................................................................28 3. Failure Types ..........................................................................................................................28 4. Failure Frequency Counter .....................................................................................................28 5. Limp Home .............................................................................................................................29 6. Failure Alert............................................................................................................................29 7. Readout of Failure ..................................................................................................................29 8. Clearing Failure Information Records ....................................................................................30 9. Failure Locating......................................................................................................................30 10. Failure Code Table................................................................................................................30 11. The Steps for Implementation of Failure Diagnosis According to Failure Information Records .......................................................................................................................................35 11.1 Electronic Throttle Failure ..........................................................................................35 11.2 Knock Sensor failure...................................................................................................36 11.3 Air Pressure Sensor Failure ........................................................................................37 |