Oxygen Sensor Relay: Removal

Disconnect the ground cable from battery.
Remove the instrument panel lower cover. <Ref. to REMOVAL , Instrument Panel Lower Cover.>
Remove the bolts and nuts securing the fuse block and move down the fuse block.

Fig 1: Locating Fuse Block Bolts And Nuts
Courtesy of SUBARU OF AMERICA, INC.
Remove the oxygen sensor relay from the relay block.

Fig 2: Locating Oxygen Sensor Relay From Relay Block

Courtesy of SUBARU OF AMERICA, INC.