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Mazda
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2002
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MPV V6-3.0L 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
Inspection Using An Oscilloscope (Reference)
Engine speed signal (output)
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PCM terminal: 48 (+) - 103 (-)
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Oscilloscope setting:
2 V
/DIV (Y),
5 ms
/DIV (X), DC range
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Vehicle condition: idle after warm up