CMP sensor signal

(+) 

PCM terminals 

• 2U(+)-2AA(-)

Oscilloscope setting 

• 1 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition 

• Idle after warm up (engine speed approx. 650 rpm, no load)
  Fig 1: Inspection Graph Of CMP Sensor (+) Signal Using Oscilloscope

  Courtesy of MAZDA MOTORS CORP.

(-) 

PCM terminals 

• 2V(+)-2AA(-)

Oscilloscope setting 

• 1 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition 

• Idle after warm up (engine speed approx. 650 rpm, no load)
  Fig 2: Inspection Graph Of CMP Sensor (-) Signal Using Oscilloscope

  Courtesy of MAZDA MOTORS CORP.