Functions Read Trouble Codes: Reads generic and manufacturer-specific diagnostic trouble codes and displays their meanings, with a database of over 3,000 generic code definitions. Clear Trouble Codes: Allows you to clear trouble codes and turn off the Malfunction Indicator Light (MIL, i.e. ‘Check Engine’ light), Display sensor data: Real-time display of current sensor data, such as engine speed, calculated load value, coolant temperature, fuel system status, vehicle speed, short-term fuel correction, long-term fuel correction, intake manifold pressure, timing advance, intake air temperature, air flow, absolute throttle position, oxygen sensor voltage and so on.
Usage: Hardware connection: plug the device into the OBD2 port of the car, then start the car. Bluetooth pairing: Enable Bluetooth on your Android phone or tablet, search for the device named ‘OBDII’ and pair with it, the pairing password is usually 1234. Software Setup: Run the downloaded application with simple setup and wait for the successful connection with the car's ECU to view the car's performance, sensor data and so on.