Pompe ya ABS, isobanurwa ngo "sisteme ya feri irinda gufunga" mu Gishinwa, ni imwe mu mavumburo atatu akomeye mu mateka y'umutekano w'imodoka, hamwe n'udukapu tw'umwuka n'imikandara y'intebe. Ni sisitemu yo kugenzura umutekano w'imodoka ifite ibyiza byo gukumira gusimbuka no gukumira gufunga.
ABS ni ikoranabuhanga rigezweho rishingiye ku gikoresho gisanzwe cya feri, gishobora kugabanywamo ubwoko bubiri bwa kaninike n'ubw'ikoranabuhanga. Imodoka zigezweho zifite umubare munini wa sisitemu yo gufunga feri, ABS ntabwo ifite gusa imikorere yo gufunga feri nk'iy'igikoresho gisanzwe cya feri, ahubwo inashobora gukumira uruziga, ku buryo imodoka ishobora gukomeza kuzunguruka munsi y'imiterere ya feri, kugira ngo icyerekezo cy'imodoka gihamye, kugira ngo hirindwe ko uruziga rwayo ruhindagurika kandi rutinjira, ni cyo gikoresho giteye imbere cyane cyo gufunga feri ku modoka gifite ingaruka nziza zo gufunga feri.
