CKP sensor signal

(+) 

PCM terminals 

2Y(+)-2AA(-) 

Oscilloscope setting 

• 2 V/DIV (Y), 10 ms/DIV (X), DC range

Vehicle condition 

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

  Courtesy of MAZDA MOTORS CORP.

(-) 

PCM terminals 

• 2Z(+)-2AA(-)

Oscilloscope setting 

• 2 V/DIV (Y), 10 ms/DIV (X), DC range

Vehicle condition 

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

  Courtesy of MAZDA MOTORS CORP.