文档介绍：编号:_______________本资料为word版本,可以直接编辑和打印,感谢您的下载OBDII通讯协议甲方:___________________乙方:___________________日期:___________________说明:本合同资料适用于约定双方经过谈判、协商而共同承认、共同遵守的责任与义务,同时阐述确定的时间内达成约定的承诺结果。文档可直接下载或修改,使用时请详细阅读内容。OBD-II通讯协议OBD-workStandards?J1850PWAdoptedbyGM;alsoknownasClass2.-AdoptedbyChrysler(knownasJ1850).SomereferencestoPWmodeheardaboutinregardstoToyota(andHonda?).-,singlewire.?J1850PWMAdoptedbyFord;alsoknownasStandardCorporateProtocol(SCP)..-,twowirebalancedsignal.?ISO9141andISO9141-2(alsoknownasISO9141CARB)SeeninsomeChryslerandMazdaproducts.-moninEurope.-,(406orsomethingsimilar).:1)0x830xf10x100x7f0x010x120x161)0x830xf10xa40x410x0d0x000x66ThefirstECUsentmeNACK(Thisresponsecodeindicatesthattherequestedactionwillnotbetakenbecausetheserer(ECU)doesnotsupporttheargumentsoftherequestmessageortheformatoftheargumentbytesdonotmatchtheprescribedformatforthespecifiedserice.)Myquestionis:iftherewassomethingwrongwiththeargumentsoftherequestmessage,thesecondECUalsoshouldnotunderstandtherequest,bititdid!Andthesecondquestionis:"IfanECUdoesnotsupportanyofthePIDsrequesteditisnotallowedtosendanegatieresponsemessage".OBD信息:我理解的OBD-II标准诊断插座列表Pin2Pin7tIPin10Pin15我理解的obd-ii标准诊断插座列表端子号称端子接线搭铁16 蓄电池正极,9-127 ,15资料数据传输线(iso91412)信号反馈线搭铁2saej1850 数据输送线10sae 制造厂数据输送线举一实例;捷达前卫诊断座t16中;就有1647三个端子按以上要求接线。EOBD欧洲标准新的europeanobd诊断坐连接标准 dlc-j1962pin1 saej2411,gmsinglewirecan;通用公司单线can-buspin2 iso11519-4(bus+)(saej1850),和10号脚同时使用,:+crc,no"checksum"or"inter-byteseparation"(inframeresponsebyte?)pin3 d+(notobd); d-bus网线h线pin4 底盘地 chassisground