Functions: 1. Read codes: show the detailed description of the Diagnostic Trouble Code (DTCs) 2. Erase codes: turns off Check Engine Light (MIL), clears codes and resets monitor. 3. Read data stream: reads and displays live ECU/PCM data stream. 4. I/M readiness status: shows whether the various emissions-related systems on the vehicle are operating properly and are ready for inspection and maintenance testing. 5. View freeze frame data: check the certain vehicle conditions which are recorded by the on-board computer at the time the emission-related fault occurs. 6. O2 sensor test: allows retrieval and viewing of O2 sensor monitor test results for the most recently performed tests from the vehicles on-board computer. 7. EVAP test: performs EVAP system test to detect any leak in the EVAP system of vehicle. 8. On-board monitor test: retrieves and displays test results for emission-relatedPowertrain components and systems. 9. Read vehicle information: display the information such as VIN (Vehicle Identification Number), CID (Calibration ID) and CVN (Calibration verification number), etc. 10. Component test: certain vehicle components can be actuated by commands sent from the scanner to test their operability.
