Chery QQ6 Service Manual download pdf (Page 2)

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

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Chery QQ6 Service Manual Page 2