DIAGNOSTIC TEST TOOLS

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DIAGNOSTIC TEST TOOLS
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JUMPER WIRES

• USED FOR TEST PURPOSES
• ABOUT 6, 12 3 FT, AND 15 FT.
• LARGE ENOUGH GAUGE
• DIFFERENT TERMINAL ENDS
• ALLIGATOR CLIPS

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TEST LIGHTS

• NON POWERED LIGHT
• TELLS PRESENCE OF VOLTAGE
• EASY AND QUICK TO USE
• LOW INTERNAL IMPEDANCE
• SELF POWERED LIGHT (CONTINUITY TESTER)
• WORKS LIKE OHMMETER
• LOW COST

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DIGITAL VOLT-OHMMETER

• 10 MEG OHM IMPEDANCE
• DIGITAL READOUT VERY PRECISE
• MULTI-METER (MULTI-USES)
• DIODE TESTER
• AUDIBLE CONTINUITY TESTER
• OVERRANGE INDICATOR

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DVOM VOLTAGE TESTS

• Power Switch
• Polarity
• Low battery
• Hook across (parallel) device or circuit being
  tested
• Adjust to most accurate range

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DVOM AMPERAGE TESTS

• Fuse Protection
• Hook in series with circuit
• Function selector adjust to most accurate range
• Maximum amperage of meter
• NOTE DOUBLE CHECK YOUR CONNECTIONS BEFORE YOU
  DO TEST. CHECK YOUR SETUP!!

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DVOM OHMMETER TESTS

• Isolate component to be tested
• fuse protected
• Function selector to most accurate range
• Start with highest range and turn down range
  until most accurate reading
• Over-range indicator

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TEST CONNECTIONS
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Reading the DVOM
Handout
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LOGIC PROBE

• TELLS PRESENCE OF VOLTAGE
• TELLS PRESENCE OF GROUND (LOW VOLTAGE)
• WILL NOT HURT COMPUTER CIRCUITS
• LIGHT AND AUDIBLE TYPE

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COMPUTER SCANNER

• Retrieve Trouble Codes
• Display Data Stream
• Perform System Function Tests
• Reset Instrumentation Lights
• Operate Systems for Test Purposes
• Adjustment of Engine Control Parameters

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Later Dudes!