MX-5 Miata LS L4-1.8L DOHC (2001)
Alternator: Oscilloscope Patterns and Waveforms
Generator field coil signal
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PCM terminal: 3M (+) <-> 4A (-)
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Oscilloscope setting: 0.5 V/DIV(Y), 2.5 ms/DIV(X), DC range
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Vehicle condition: Idle after warm-up(no electrical load)