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6 Signature
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Control System (VIN Y)
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Pcm Inspection
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Inspection Using An Oscilloscope (Reference)
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Cooling fan control signal
Cooling fan control signal
Courtesy of MAZDA MOTORS CORP.
PCM terminals
2AQ(+)-body ground(-)
Oscilloscope setting
5 V/DIV (Y), 5 ms/DIV (X), DC range
Courtesy of MAZDA MOTORS CORP.