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EASE Diagnostics | AutoEnginuity| About OBD2

Personal PC-Based Automotive OBD2 Scan Tool

Scan Tool Hardware Unit

Complete ISO Unit
Complete PWM Unit
Complete VPW Unit
Chrysler, Asian and European Cars *
Ford *
General Motors *
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If you do not require the two cables, you can purchase the assembled OBD2 box only.

ISO Box Only
PWM Box Only
VPW Box Only
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* The association between the type of unit and the car manufacturer is accurate in most but NOT all cases. For example, the engines for some Ford cars were made in Europe and may use the ISO protocol. Similarly, some Mazda cars use Ford engines and may use the PWM protocol. The same holds for other manufacturers. The correct protocol must be determined prior to purchase.

The OBD2 interface above can be used with the free software provided to turn your laptop or desktop computer into a fairly sophisticated automotive diagnostic system. The software has a built-in database of more than 3000 trouble codes and allows you to read and erase stored trouble codes and oxygen test results, turn off the MIL ("Check Engine" light) and display real time sensor data.

Basic Connection Diagram

Connection Diagram


  • Read diagnostic trouble codes, both generic and manufacturer-specific and display their meaning. Over 3000 generic code definitions are in the software database.
  • Clear trouble codes and turn off the MIL ("Check Engine" light)
  • Display current sensor data including:
    • Engine RPM
    • Calculated Load value
    • Coolant temperature
    • Fuel System Status
    • Vehicle Speed
    • Short Term Fuel Trim
    • Long Term Fuel Trim
    • Intake Manifold Pressure
    • Timing Advance
    • Intake Air Temperature
    • Air Flow Rate
    • Absolute Throttle Position
    • Oxygen Sensor Voltages / associated short term fuel trims
    • Fuel System Status
    • Fuel Pressure
    New Features to be added soon as a free update include:
  • Data Graphing and Logging
  • Freeze Frame Data
  • Continuous and Non-Continuous Oxygen Sensor Test Results

The OBD2 package is shown below:OBD2 Package

From left to right is:
  • The OBD2 cable (6ft/1.8m)
  • The ElmScan OBD2 Scan Tool interface in a steel enclosure
  • A serial cable (6ft/1.8m)
Minimum System Requirements
  • Windows 95/98/NT/2000/Me/XP
  • 486DX 25MHz Processor or higher
  • 4MB RAM
  • 640 x 480 display with DirectX7
  • Serial port

The software will also run on DOS. If you have a DOS requirement, please contact us.

OBD2 Software Download, version 1.06 in ZIP and EXE (self-extracting) format

EXE OBD2 Software for ElmScan is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer. The program is user-friendly and very easy to install.

Simply extract the files into a folder on your computer hard drive, and you are ready to go. To uninstall the program, simply delete the entire contents of the folder where the program resides.

The software is available in two languages - English and German, and supports two platforms - Windows and DOS.

You can also use the free OBDII-ScanMaster software program with your OBD2 hardware.

Warranty: One year manufacturer's warranty



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