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Mazda
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2012
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6 i Touring Plus
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Repair and Diagnosis (Single Page)
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Engine Control System [MZR 2.5]
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Pcm Inspection
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Inspection Using An Oscilloscope (Reference)
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Fan control module signal
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Fan control module signal
Fig 1: Fan Control Module Signal Waveform
PCM terminals
1R-body ground (-)
Oscilloscope setting
5 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition
Idle (after warm up)