Exhaust CMP Sensor

Disconnect the negative battery cable. (Refer to NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Disconnect the exhaust CMP sensor connector.
Remove the exhaust CMP sensor.

Fig 1: Removing Exhaust CMP Sensor
Courtesy of MAZDA
Install in the reverse order of removal.