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Mazda
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2002
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Protege ES L4-2.0L DOHC
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Testing and Inspection
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Oscilloscope Patterns and Waveforms
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Engine Speed Signal
Engine Speed Signal
Engine speed signal
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PCM terminal: 48(+) - 103(-)
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Oscilloscope setting:
2 V
/DIV(Y),
20 ms
/DIV(X), DC range
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Vehicle condition: idle after warm up