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2004
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MX-5 Miata LS, Automatic
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Pcm Inspection
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Inspection Using An Oscilloscope (Reference)
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Purge Control Signal
Purge Control Signal
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PCM terminal: 3C(+) <-> 4A(-)
Oscilloscope setting: 2.0 V/DIV (Y), 10 ms/DIV (X), DC range
Vehicle condition:
ECT: above 80°C {176°F}
D range and 7.5 km/h {5 mph} or below
Fig 1: Identifying Fuel Purge Control Signal
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.