Motar OBD2 Sadarwa Kulawa
Cikakkun bayanai
Kadan abubuwan lura:
Mai haɗin OBD2 yana kusa da sitiyarin ku, amma ana iya ɓoye shi a bayan murfi/falaye
Fin 16 yana ba da ƙarfin baturi (sau da yawa yayin da wuta ke kashewa)
OBD2 pinout ya dogara da ka'idar sadarwa
Babbar yarjejeniya ita ce CAN (ta hanyar ISO 15765), ma'ana cewa fil 6 (CAN-H) da 14 (CAN-L) yawanci za a haɗa su.
Akan binciken jirgin, OBD2, shine 'ka'idar Layer mafi girma' (kamar harshe).CAN hanya ce ta sadarwa (kamar waya).
Musamman, ma'aunin OBD2 yana ƙayyadad da mai haɗin OBD2, incl.saitin ka'idoji guda biyar waɗanda zai iya aiki a kai (duba ƙasa).Bugu da ari, tun 2008, CAN bas (ISO 15765) ta kasance ƙa'idar tilas ga OBD2 a cikin duk motocin da aka sayar a Amurka.
ISO 15765 yana nufin saitin hane-hane da aka yi amfani da shi ga ma'aunin CAN (wanda aka ayyana kansa a cikin ISO 11898).Wani na iya cewa ISO 15765 yana kama da "CAN don motoci".
Musamman ma, ISO 15765-4 yana bayyana yanayin jiki, layin hanyar haɗin bayanai da yadudduka na cibiyar sadarwa, yana neman daidaita ƙirar bas ɗin CAN don kayan gwajin waje.TS EN ISO 15765-2 bi da bi yana siffanta layin jigilar kayayyaki (ISO TP) don aika firam ɗin CAN tare da abubuwan biyan kuɗi waɗanda suka wuce 8 bytes.Hakanan ana kiran wannan ƙaramin ƙa'idar a wasu lokuta azaman Sadarwar Sadarwa akan CAN (ko DoCAN).Duba kuma hoton samfurin OSI Layer 7.
Hakanan ana iya kwatanta OBD2 da sauran ka'idoji mafi girma (misali J1939, CANopen).
