Turbo Model

Set vehicle on a lift.
Disconnect ground cable from battery.
Lift up the vehicle.
Disconnect rear vehicle speed sensor connector.

Fig 1: Identifying Rear Vehicle Speed Sensor Connector And Front Vehicle Speed Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Remove rear vehicle speed sensor.

Fig 2: Identifying Rear Vehicle Speed Sensor
Courtesy of SUBARU OF AMERICA, INC.