OBD II engine ECU diagnostics tool
Required ELM327 bluetooth device.
It "transforms" your Android smartphone or tablet together with an ELM327 diagnostic interface to a vehicle diagnostic device. Many important OBD-2 functions are despite "Lite" available without restriction.
The application sends almost all AT commands available and shows what are supported in accordance with the ELM327 official datasheet.
HOW TO USE THE APP
1 - power on the ELM327 adapter (by the car diagnostic interface or simply by a power supply)
2 - if not already done, pair the ELM327 adapter from the android device bluetooth settings
3 - start the app and select the paired ELM327 adapter
4 - after the correct connection, the scan automatically starts
5 - wait for the few seconds and after that you can see all live data via going into various options in the app.