Shift solenoid C signal

PCM terminals 

• 1D (+)-Negative battery terminal (-)

Oscilloscope setting 

• 5 V/DIV (Y), 5 ms/DIV (X), DC range

Vehicle condition 

• 1GR or 2GR
  Fig 1: Inspection Graph Of Shift Solenoid C Signal Using Oscilloscope

  Courtesy of MAZDA MOTORS CORP.