ELM327 Base Usage

1.Document

Data sheet: ELM327中文说明书 - weixin_38931082

 

2.Command Operation

Input "AT Z" + "\n", ELM327 would return its edition, as below:

 

3.Offical software operaton

《ScanMaster-ELM v2.1.exe》(Search keyword "ScanMaster-ELM" will fought it lost.)

Must connet any ECU, which only can't return frame data. So will run as below:

4.Open source

In the official site https://www.elmelectronics.com/help/obd/software/#Windows have a lots of softwre, some of them is open source, such as freediag whitch is a full OBD diagnostic software.

Useful open source:

1.freediag.  http://freediag.sourceforge.net/

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