Depending on the year of manufacture, the attachment points may differ.
Front bumper
-open the hood.
-under the hood take out two pistons and Unscrew the screw that secure the grille.
-pull towards you and remove the grille.
-under the grille take out the three clips that secure the upper part of the bumper.
-at the bottom of the bumper, Unscrew the six screws (spun up).
-turn the wheels to the side.
-in the wheel wells take out two pistons on each side that secure the fender liner (front).
-we release the latch in the wings (pull the corners of the bumper towards you).
-with an assistant, pull the bumper forward (look for the wires).
-disconnect electrical connectors.
Rear bumper
-open the trunk lid.
-in the opening of the trunk, Unscrew the four screws.
-Unscrew the screws (spun up) around the perimeter of the lower part of the bumper.
-in the wheel arches we take out the caps that secure the fender liner (rear) and the sides of the bumper.
-we release the latches in the corners of the bumper (pull the corners towards you).
-with an assistant, pull the bumper back (look for the wires).
-disconnect electrical connectors.
How to remove front and rear bumper Toyota Auris (2006-2012)