How to Build an OBD2 Scanner

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OBD2 is an upgraded version of the OBD1 connection port that links to a vehicle's central computer. This computer contains information about your vehicle's performance. To access the information from your car's computer, you need to build a scanner that hooks up directly to the computer. This is done by using a OBD2 cable and a standard laptop computer.

Things You'll Need

  • OBD2 to USB
  • Owner's manual
  • Laptop
  • Software installation CD
  • Check your owner's manual for the exact placement of the OBD2 port. In most cases this is in the fuse box, which is typically located right under the steering wheel.

  • Insert the software installation CD into the disc drive of the computer, then wait for the installation wizard to load onto the screen. Accept the end-user agreement of the program (it is provided with the OBD2 cable), then follow the prompts to install the software.

  • Plug the OBD2 end of the cable into the OBD2 port on your vehicle, then attach the USB port into your computer.

  • Launch the installed software and you are ready to begin using the computer to monitor your vehicle's performance.

References

  • Photo Credit luxury car - model toy car image by alma_sacra from Fotolia.com
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