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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ELM327P 数据表(PDF) 39 Page - ELM Electronics |
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ELM327P 数据表(HTML) 39 Page - ELM Electronics |
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39 / 76 page  ELM327 39 of 76 ELM327DSH Elm Electronics – Circuits for the Hobbyist www.elmelectronics.com Setting the Headers (continued) requests if desired. For example, if the headers are on, and you send 01 00, you might see: >01 00 7E8 06 41 00 BE 3F B8 13 00 The 7E8 shows that ECU#1 was the one responding. In order to talk directly to that ECU, all you need do is to set the header to the appropriate value (it is 7E0 to talk to the 7E8 device – see ISO 15765-4 for more information). From that point on, you can ‘talk’ directly to the ECU using its physical address, as shown here: >AT SH 7E0 OK >01 00 7E8 06 41 00 BE 3F B8 13 00 >01 05 7E8 03 41 05 46 00 00 00 00 Hopefully this has helped to get you started. As we often tell those that write for help – if you are planning to do some serious experimenting with OBD, you should buy the relevant standards. |
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