1. Read Code: Display Diagnostic Trouble Code (DTC)Detailed explanation 2. Erase Code and Reset: Turn off the Check Engine Light (MIL), clear the code, and reset the display.3. Data flow: Read and display real-time ECU/PCM data flow, use graphical drawing function, and store frozen frame data.4. I/M ready status: displays whether various emission related systems on the vehicle are operating properly and ready for inspection and maintenance testing.5. Read real-time data stream: Display continuous data stream information from the vehicle in real-time graphical (waveform) display.6. View frozen frame data: Check for certain vehicle conditions recorded by the onboard computer when emission related faults occur.7. O2 sensor testing: Allow retrieval and viewing of O2 sensor monitor test results from the vehicle's onboard computer for recent tests.8. In car monitor testing: Retrieve and display test results of powertrain components and systems related to emissions.9. Read vehicle information: Display information such as VIN (vehicle identification number), CID (calibration ID), and CVN (calibration verification number) 10. Component testing: Some vehicle components can be driven by commands sent by scanners to test their operability.