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Home >> Mazda >> 2018 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Pcm Inspection >> Without Using the M-MDS >> Inspection Using An Oscilloscope (Reference) >> Purge control
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Purge control

Fig 1: Purge Control Signal Waveform
G09074557Courtesy of MAZDA MOTORS CORP.

PCM terminals 

Oscilloscope setting 

Vehicle condition