The Elm327 Serial adapter gives you the opportunity to monitor your car. Convert your PC (via the RS-232 port) to a diagnostic tool and monitor all critical information of the car’s ECU.
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The Serial Elm327 is a serial adapter that connects to the car’s CAN connector and connects The ECU with the PC. With the help of various open source application for the Elm327 you can have a digital gauge or an advanced diagnostic system and a powerful performance measurement toll in your screen.

• Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the 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
• Many others...