MX-5 Miata Mazdaspeed L4-1.8L DOHC Turbo (2004)
Fuel Injector: Oscilloscope Patterns and Waveforms
Inspection Using An Oscilloscope (Reference)
Fuel injection control signal
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PCM terminal
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No.1: 2A (+) <-> 3A (-)
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No.2: 2D (+) <-> 3A (-)
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No.3: 2G (+) <-> 3A (-)
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No.4: 2J (+) <-> 3A (-)
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Oscilloscope setting: 2.0 V/DIV (Y), 20 ms/DIV(X), DC range
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Vehicle condition: Idling after warm-up
