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A Systems Approach

Automotive Technology. A Systems Approach. PowerPoint® Presentation Prepared by René Green. Chapter 5. Diagnostic Equipment. Diagnostic Equipment. Chapter Overview

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A Systems Approach

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  1. Automotive Technology A Systems Approach PowerPoint® Presentation Prepared by René Green

  2. Chapter 5 Diagnostic Equipment

  3. Diagnostic Equipment • Chapter Overview • This chapter covers the most common diagnostic tools used on yesterday's and today's vehicles. Technicians need to know how to conduct tests with the latest testers, as well as be able to conduct tests with the most basic of testers.

  4. Diagnostic Equipment • Chapter Objectives • Explain the basic principles of electricity. • Diagnose electrical problems by logic and symptom description. • Perform troubleshooting procedures using meters, test lights, and jumper wires. • Explain the proper use of a logic probe. • Describe what is displayed on an oscilloscope.

  5. Diagnostic Equipment • Explain the proper use of a Digital Storage Oscilloscope. • Explain basic infrared analyzer operation. • Describe the major test capabilities of an engine analyzer. • Name the diagnostic tools and equipment commonly used in vehicle repair work. • Describe the basic applications and operation of these tools.

  6. Diagnostic Equipment • Atom • Nucleus • Protons • Neutrons • Electrons • Electrical Fundamentals • Flow of Electricity • Energy sources • Chemical • Magnetic

  7. Diagnostic Equipment • Measuring Electricity • Electrical Flow (Current) • Resistance • Electrical Pressure • Ohm's Law • Power • Circuits

  8. Diagnostic Equipment • Basic Electrical Diagnosis • Open

  9. Diagnostic Equipment • Short

  10. Diagnostic Equipment • High resistance

  11. Diagnostic Equipment • Electrical Test Equipment • Circuit Tester • Test light • Continuity tester • Voltmeter

  12. Diagnostic Equipment • Ammeter

  13. Diagnostic Equipment • Ohmmeter

  14. Diagnostic Equipment • Logic Probes

  15. Diagnostic Equipment • DMM Usage • Multimeter • DVOM • DMM • RMS • Average Responding • RFI

  16. Diagnostic Equipment • Duty Cycle • Pulse width • Frequency

  17. Diagnostic Equipment • Ignition System Test Equipment • Tachometer • Tach-Dwellmeter • Timing Light

  18. Diagnostic Equipment • BTDC • ATDC

  19. Diagnostic Equipment • Magnetic Timing Probe

  20. Diagnostic Equipment • Electronic Ignition Tester • Shorted module test • Cranking current test • Key on/engine off current test • Idle current test • Cruise current test • Cranking primary voltage test • Idle primary voltage test • Cruise primary voltage test

  21. Diagnostic Equipment • Lab Scopes • Dual-trace oscilloscopes • Glitches

  22. Diagnostic Equipment • Digital • Analog

  23. Diagnostic Equipment • Wave forms

  24. Diagnostic Equipment • Engine Diagnostic Tools • Compression testers • Cylinder Leakage Tester • Cylinder Power Balance Test • Vacuum Gauge • Vacuum Pump • Vacuum Leak Detector

  25. Diagnostic Equipment • Cooling System Pressure Tester • Coolant Hydrometer • Oil Pressure Gauge • Belt Tension Gauge • Stethoscope

  26. Diagnostic Equipment • Fuel System Test Equipment • Pressure Gauge • Injector Balance Tester • Injector Circuit Test Light • Fuel Injector Cleaners • Exhaust Analyzers • Two Gas • Four Gas • Five Gas

  27. Diagnostic Equipment • Scan Tools • Scanners • Breakout boxes • ODB-II • Engine Analyzers • All in one • Compression gauge • Emission analyzer • Pressure analyzer

  28. Diagnostic Equipment • Voltmeter • Vacuum gauge • Ohmmeter • Vacuum pump • Ammeter • Tachometer • Oscilloscope • Timing light/probe • Computer scan tool

  29. Diagnostic Equipment • Tests Performed by Engine Analyzers • Cranking voltage • Relative compression • Charging voltage • Primary circuit voltage • Secondary circuit kilovoltage • Cylinder power balance • Engine vacuum • Hydraulic System Testers • Pressure Gauges

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