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Home >> Mazda >> 2005 >> 3 i, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Pcm Inspection >> Inspection Using An Oscilloscope (Reference) >> Fuel injection control
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Fuel injection control

PCM terminals (California emission regulation applicable model) 

PCM terminals (except for California emission regulation applicable model) 

Oscilloscope setting 

Vehicle condition 

Fig 1: Fuel Injection Control Signal Pattern
G03636105Courtesy of MAZDA MOTORS CORP.