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Home >> Mazda >> 2019 >> CX-3 Touring, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Pcm Inspection >> Inspection Using An Oscilloscope (Reference) (Without Coolant Control Valve) >> Drive-by-wire control (+) signal
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Drive-by-wire control (+) signal

NOTE:
  • The wave pattern is either type A or B depending on the PCM specifications.

Type A 

G11492237Courtesy of MAZDA MOTORS CORP.

PCM terminals 

Oscilloscope setting 

Vehicle condition 

Type B 

G13119083Courtesy of MAZDA MOTORS CORP.

PCM terminals 

Oscilloscope setting 

Vehicle condition