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Preface .
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Abbreviations and Acronyms . 1
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ix
Safety Suggestions to help you work more safely and avoid injury
2
Battery How the battery works and how to test it, charge it, jump it and replace it
3 Testing battery voltage Page 2-4
Circuits: (How Electricity Actually Works) The theory behind voltage, current path, circuits, and load
4
Multimeters and Related Tools The digital multimeter (DVOM) and other electrical diagnostic tools
5
Common Multimeter Tests How to measure voltage, resistance, continuity, continuity, voltage drops and current
6
DIN Numbering Standard Decoding the DIN
7
Switches and Relays Helpful procedures on how to test switches and relays
Installing homemade relay jumper Page 7-13
8
Troubleshooting Using a multimeter to troubleshoot a simple circuit
9
Wire Gauge and Current Tips for replacing damaged wires or adding a new circuit to your car
10 Circuit Protection (Fuses) How to inspect, test and replace fuses What fuse to use when •
11 How To Make Wire Repairs Properly repair wires using crimp-on connectors and solder joining techniques
12 Wiring Harnesses A discussion about wiring wiring harnesses; what can and does go wrong Testing fuse continuity Page 10-6
13 Adding a New Circuit Various Vario us ways to add a new circuit to original factory wiring wiring
14 Charging System (Alternator) Make a basic charging system health assessment in about 30 seconds
15 Starter Complete starter and solenoid testing, on the car and on the bench
16 Mechanically Timed Ignition - Theory Theory of ignition systems used through the mid to late 1970s Crimping a wire connector Page 11-7
17 MechanicallyMechanically-Timed Timed Ignition - Troubleshooting Hands-on troubleshooting of ignition systems used through the mid to late 1970s
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by ROB
SIEGEL
and the Bentley Publishers Technical Team 18 Electronic Ignition Understand and troubleshoot electronic ignition and electronic triggering
19 Reading Wiring Diagrams Where to find a factory wiring wiring diagram and how to read a wiring diagram
20 Energy Diagnosis and Parasitic Drain How to locate and measure parasitic drain
21 Audio Head Unit The vehicle’s electrical interface for sound system repair and modification
22 Dynamic Analog Signals –Theory Basic signal types explained along with frequency (Hz), pulse width, and duty cycle
23 Tools for Dynamic Analog Signals Data
Manual remote start switch circuit Page 15-7
The best tools for measuring sine waves and square waves and graphing data
24 Modules, Buses, and Digital Data Electronic modules and networks. Buses and protocols CAN Bus and network topology. •
25 OBD-II Readiness, Drive Cycle, OBD-II Monitors. Diagnostic Troubles Codes (DTCs)
26 Scan Tools and Code Readers A discussion on OBD tools, scan tools, tools, and code readers
27 Introduction to Sensors
VRT electronic ignition ignition Page 18-3
Frequently used sensors and actuators such as VRT VRT,, Hall Effect, AMR Sensors Chapter 28 through Chapter 38 include multimeter Set-ups to test for voltage, resistance, current, frequency (Hz), sine waves, square waves on frequently used automotive sensors and actuators
28 Testing Temperature Sensors 29 Testing Throttle Position Sensors (TPS) (TPS) 30 Testing Oxygen Sensors 31 Testing Wheel Speed Sensors (WSS) 32 Testing Crankshaft Positioning Positioning (CKP) (CKP) Sensors
Head unit wiring harness Page 22-4
33 Testing Camshaft Position (CMP) Sensors 34 Testing Mass Airflow (MAF) Sensors 35 Testing Ignition Stick Coils 36 Testing Fuel Injectors 37 Testing Fuel Pumps 38 Testing Solenoids (Actuators) Index
Mass airflow pinouts Page 34-6