Automotive computer controlled systems : diagnostic tools and techniques

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Title:

Personal Author:

Bonnick, Allan W. M.

Publication Information:

Oxford : Butterworth-Heinemann, 2001

ISBN:

9780750650892

Subject Term:

Automotive computers

Automobiles -- Maintenance and repair

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Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000004356931	TL272.53 B66 2001	Open Access Book	Book	Searching... Unknown
Searching... PSZ KL	30000004356899	TL272.53 B66 2001	Open Access Book	Book	Searching... Unknown

'Automotive Computer Controlled Systems' explains the fundamental principles of engineering that lie behind the operation of vehicle electronic systems. Having obtained this knowledge, the reader will be able to make full use of the diagnostic equipment which is currently available. The book builds on the concepts contained in Vehicle Electronic Systems and Fault Diagnosis and gives clear steps to fault diagnosis and subsequent repair of the vehicle's electronic systems. The author discusses electronics only within the context of the vehicle systems under consideration, and thus keeps theory to a minimum.Allan Bonnick has written articles for several transport/vehicle journals and carries out consultancy work for the Institute of Road Transport Engineers. In addition, he has had many years teaching experience and is ideally placed to write this informative guide.

Preface	p. ix
Acknowledgements	p. xi
Chapter 1 Common Technology	p. 1
1.1 Common technology	p. 1
1.2 Engine-related systems	p. 2
1.3 Ignition systems	p. 2
1.4 Computer controlled petrol fuelling systems	p. 10
1.5 Engine management systems (EMS)	p. 17
1.6 Anti-lock braking (ABS)	p. 19
1.7 Traction control	p. 22
1.8 Stability control	p. 25
1.9 Air conditioning	p. 27
1.10 Computer controlled damping rate	p. 30
1.11 Computer controlled diesel engine management systems	p. 30
1.12 Summary	p. 38
1.13 Review questions	p. 38
Chapter 2 The Computer ECM	p. 40
2.1 The fundamental parts of a computer	p. 40
2.2 A practical automotive computer system	p. 41
2.3 Principles of operation	p. 44
2.4 Computer data	p. 45
2.5 Computer interfaces	p. 46
2.6 Control of output devices	p. 47
2.7 Computer memories	p. 48
2.8 Fault codes	p. 51
2.9 Adaptive operating strategy of the ECM	p. 51
2.10 Networking of computers	p. 52
2.11 Vehicle network systems	p. 55
2.12 Prototype network systems	p. 59
2.13 Summary	p. 62
2.14 Review questions	p. 63
Chapter 3 Self-diagnosis and fault codes	p. 65
3.1 Access to DTCs	p. 65
3.2 Developments in self-diagnosis	p. 78
3.3 Diagnostic equipment and limitations of DTCs	p. 81
3.4 Review questions	p. 83
Chapter 4 Diagnostic tools and equipment	p. 85
4.1 Diagnostic tools that connect to the ECM	p. 85
4.2 Breakout boxes	p. 94
4.3 The digital multimeter	p. 95
4.4 Portable flat screen oscilloscopes	p. 96
4.5 Diagnostic tool and oscilloscope combined	p. 97
4.6 Pressure gauges	p. 99
4.7 Calibrating test instruments	p. 103
4.8 Location charts and wiring diagrams	p. 103
4.9 Sources of diagnostic data	p. 103
4.10 Exhaust gas emissions and emission system testing	p. 105
4.11 Review questions	p. 110
Chapter 5 Sensors	p. 112
5.1 Electromagnetic sensors	p. 112
5.2 Optical sensors	p. 118
5.3 Combustion knock sensors	p. 119
5.4 Variable resistance type sensors	p. 121
5.5 Temperature sensors	p. 125
5.6 Ride height control sensor	p. 125
5.7 Manifold absolute pressure (MAP)	p. 126
5.8 Exhaust gas oxygen sensors	p. 130
5.9 Air flow measurement	p. 138
5.10 The practical importance of sensor knowledge	p. 144
5.11 Review questions	p. 144
Chapter 6 Actuators	p. 146
6.1 Actuator operation	p. 146
6.2 Petrol engine fuel injectors	p. 147
6.3 Testing of petrol injectors	p. 149
6.4 Exhaust gas recirculation	p. 154
6.5 Petrol engine idle speed control	p. 155
6.6 Ignition system	p. 161
6.7 ABS actuators	p. 161
6.8 A clamping diode	p. 162
6.9 Electronic unit injectors	p. 163
6.10 Review questions	p. 165
Chapter 7 Diagnostic techniques	p. 168
7.1 Circuit testing	p. 168
7.2 Vehicle specific details	p. 172
7.3 The 'six-steps' approach	p. 173
7.4 Skills required for effective diagnosis	p. 174
7.5 An approach to fault finding	p. 175
7.6 Emissions related testing	p. 179
7.7 Ignition system tests	p. 198
7.8 Diesel injection	p. 200
7.9 Sensor tests on other systems	p. 202
7.10 Intermittent faults	p. 207
7.11 Summary	p. 209
7.12 Review questions	p. 210
Chapter 8 Additional technology	p. 212
8.1 Partial and absolute pressures	p. 212
8.2 The piezoelectric effect	p. 213
8.3 Liquid crystal displays	p. 214
8.4 Countering cross-talk	p. 216
8.5 Logic devices	p. 216
8.6 OBD II	p. 223
8.7 Computer performance (MIPS)	p. 227
8.8 Supplementary restraint systems (SRS)	p. 227
8.9 The coded ignition key	p. 231
8.10 Fault tracing	p. 232
8.11 Precautions when working with computer controlled systems	p. 233
8.12 Variable capacitance sensor	p. 233
8.13 Optoelectronics	p. 233
8.14 Review questions	p. 235
Appendix
A.1 Companies who supply equipment and diagnostic data	p. 237
A.2 Answers to review questions	p. 237
A.3 OBD II standard fault codes	p. 238
Index	p. 249

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