Intake CMP signal

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Intake CMP Sensor Output Voltage Wave Pattern

Courtesy of MAZDA MOTORS CORP.

PCM terminals

1Y(+)-body ground(-)

Oscilloscope setting

2 V/DIV (Y), 20 ms/DIV (X), DC range

Vehicle condition

Idle (after warm up)