MX-5 Miata Mazdaspeed L4-1.8L DOHC Turbo (2004)
Crankshaft Position Sensor: Oscilloscope Patterns and Waveforms
Inspection Using An Oscilloscope (Reference)
IGT control signal
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PCM terminal:
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3F (+) <-> 4A (-)
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3I (+) <-> 4A (-)
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Oscilloscope setting: 1.0 V/DIV (Y), 50 ms/DIV (X), DC range
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Vehicle condition: Idling after warm-up
NE signal
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PCM terminal: 3Y (+) <-> 4A (-)
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Oscilloscope setting: 1.0 V/DIV (Y), 5.0 ms/DIV (X), DC range
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Vehicle condition: Idling
