doc/OBD_knowledge.html

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  <div class="title">FREEDIAG</div>
  
  <div class="subtitle">OBD Knowledge Base.</div>

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  <p> This document is here to collect everything we can find about
      OBD-II, it's various interfaces, protocols and layers.

  <p>OBD-II is a standard for vehicle diagnostics relating to emissions
  implemented on all US vehicles since the mid 1990s. Europe has just
  introduced a standard called EOBD which is basically the same.

  <ul>
  <li> <A HREF="Supported-Interfaces.html"> A list of the interfaces that we believe ScanTool will support.</A>

  <li> <A HREF="OBDII-Protocol-specs-and-layers.png"> A diagram that describes the OBD-II protocol's
	various component layers and sub-specifications. (source: SAE J1979)</A>

  <li> <A HREF="OBDII-layers.png"> Another diagram of the OBD-II layers. (source: SSF 14230-2)</A>

  <li> <A HREF="osi_model.html"> A Description of the OSI seven layer interconnect model on which freediag's implementation rests.</A>

  <li> <A HREF="OBD_plug_pins_and_protocols.txt"> Documentation of the pinout of the OBD-II connector - along with which pins each sub-protocol supports.</A>

  <li> <A HREF="SRV0x00,PID0x1C-OBD-flavors.txt"> How to know whether your car fully supports OBD.</A>

  <li> <A HREF="practical_status.txt"> A list of results obtained with various cars, various interface cables and various versions of scantool.</A>

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