Test your ELM 327 Device
Here is a handy app for testing your ELM 327 Bluetooth or WIFI Device. It will try to connect and test over 90 AT Commands and Check Program Parameters for default comparison (if applicable). A great way to see if your ELM 327 Device is compliant.
The ELM 327 Adapter is a Device that connects directly to your Vehicle 16 Pin OBD2 Diagnostic Connector.