CMP sensor signal

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

(+)

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.