Automotive Electronics and Computer Systems Book

1	Introduction to Automotive Computers	1
	On-Board Computers	2
	Engine Control Module	4
	Powertrain Control Module	7
	Control Module	11
	Analog and Digital Signals	15
	Integrated Vehicle Electrical/Electronic Systems	21
	Signals and Signal Conversion	22
	ECM/PCM Memory Devices	28
	The Central Processing Unit	31
	PCM Hardware	46
	PCM Software	49
	ECM/PCM Servicing	53
	Questions	67
2	Engine and Vehicle Sensors	69
	Engine and Vehicle Sensors	70
	Sensor--PCM Interaction	71
	Sensor Function/Description	74
	Throttle Position Sensors	79
	Crankshaft Position Sensor	85
	Camshaft Sensor	100
	Oxygen Sensors	105
	Liquid Pressure Sensors	124
	Temperature Sensors	127
	MAP/MAF Sensors	132
	IAT/MAT Sensors	143
	MAF (Mass Airflow) Systems	144
	Knock Sensor	157
	Cylinder Pressure Sensors	162
	Oil-Level Sensor	163
	Oil Condition Sensor	165
	Vehicle Speed Sensor	165
	Air Conditioning Strategy	170
	A/C Pressure Sensor	170
	Questions	172
3	Ignition Systems	176
	Electronic Ignition Systems	177
	Electronic Distributor Ignition Systems	185
	Spark Plugs	232
	Electronic Ignition System Testing	237
	Questions	249
4	Fuel Injection Systems	254
	Background Information	255
	Types of Fuel Injection Systems	256
	Fuel Supply System	260
	Fuel Injector Operation	269
	Adaptive Fuel Control Circuit	275
	Diagnosing Fuel System Problems	281
	Idle Speed Control	296
	Ford Fuel Injection Systems	297
	Alternative-Fuel Systems	300
	Gasoline Direct Injection	302
	Questions	305
5	Bosch Fuel Systems	308
	Background Information	308
	Bosch Injection Systems	310
	Questions	318
6	Japanese Vehicle Systems	319
	Globalization of Technology	319
	Nissan/Quest Mercury Villager	323
	Questions	331
7	Evaporative Emission Control Systems: Function, Operation, Service, and Diagnosis	332
	Evaporative Emissions Systems	332
	EVAP Monitoring System	336
	EVAP Diagnosis and Testing	337
	PCV Systems	341
	Thermostatic Air Cleaner	342
	Questions	345
8	Exhaust Emissions Control Systems: Function and Operation, Service and Diagnosis	346
	Atmospheric Air Makeup	346
	Typical Automotive Pollutants	347
	The Exhaust Gas Recirculation (EGR) System	349
	Air Injection Reaction System	358
	Variable CAM Timing System	362
	Questions	363
9	Catalytic Converters	365
	The Catalytic Converter System	365
	Catalyst Monitor	374
	Questions	377
10	OBD-II Diagnostic Systems and Scan Tools	378
	Introduction	378
	OBD-I Engine Diagnostic System	379
	OBD-II Engine Control Systems	379
	SAE DTC Standards	391
	Scan Tools	398
	Strategy-Based Diagnostics	411
	Engine/Vehicle Performance Problems	413
	Questions	426
	Glossary of Automotive and Truck Electronic Terms	429
	Answers to End-of-Chapter Questions	439
	Index	441