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Inspection Using An Oscilloscope (Reference) CKP
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Purge control signal
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Purge control signal
PCM terminal: 85 (+)-100 (-)
Oscilloscope setting: 2V/DIV (Y), 10ms/DIV (X), DC range
Vehicle condition: idle after warm up
Fig 1: Identifying Purge Control Signal Waveform
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.