Manifold Absolute Pressure Sensor: Removal

Disconnect the ground cable from the battery.

Fig 1: Identifying Battery Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from manifold absolute pressure sensor.
Remove the manifold absolute pressure sensor from throttle body.

Fig 2: Locating Manifold Absolute Pressure Sensor
Courtesy of SUBARU OF AMERICA, INC.