Imoto yokucima umlilo iqhutywa yimoto, kwaye intshukumo ejikelezayo yemoto iguqulwa ibe yintshukumo ejikelezayo yengalo yokucima umlilo ngokusebenzisa indlela yokudibanisa, ukuze kufezekiswe isenzo sokucima umlilo. Ngokubanzi, i-wiper ingasebenza ngokuvula imoto. Umbane wemoto ulawula isantya semoto uze emva koko isantya sengalo yokucima umlilo.
I-wiper yemoto iqhutywa yi-wiper motor, kwaye isantya se-motor seegiya ezininzi silawulwa yi-potentiometer.
Isiphelo esingasemva semoto ye-wiper sine-gear transmission encinci evalelwe kwindawo efanayo, nto leyo enciphisa isantya sokuphuma kwemveliso ukuya kwisantya esifunekayo. Esi sixhobo saziwa ngokuba yi-wiper drive assembly. I-output shaft ye-assembly iqhagamshelwe kwisixhobo soomatshini esisekupheleni kwe-wiper, kwaye ukujika okujikelezayo kwe-wiper kwenziwa yi-fork drive kunye ne-spring return.