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Home >> Mazda >> 2020 >> CX-9 Grand Touring, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> PCM Inspection >> Inspection Using An Oscilloscope (Reference) >> Cooling Fan Control Signal
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Cooling Fan Control Signal

G13570155Courtesy of MAZDA MOTORS CORP.

PCM terminals 

Oscilloscope setting 

Vehicle condition 

G13570156Courtesy of MAZDA MOTORS CORP.

PCM terminals 

Oscilloscope setting 

Vehicle condition