Product Description LAUNCH CR3001 full OBD2 code reader scanner + multi-language + engine stop + free update... Why choose LAUNCH CR3001 CReader 3001 is specially developed by LAUNCH and supports all 10 OBD II test modes to achieve comprehensive diagnosis. It has a color LCD screen, allowing users to read/clear DTCs, record and save data. CReader 3001 is also very easy to use. With built-in help menus and code definitions, diagnosing and repairing the intimidating inspection engine light is now easier than ever! In addition, the CReader 3001 also has the following special bi-directional tests: EVAP, O2 sensor, I/M ready, MIL status, VIN information and on-board monitor test... Parts may turn on the lights of your inspection engine, including 1. Air cap 2. Oxygen sensor 3. Air-fuel ratio sensor 4. Mass air flow sensor 5. Ignition coil 6. Spark plug wire 7. Spark plug =ignition 8. Thermostat 9. EGR valve 10. Evaporative emissions tank purification valve (EVAP) 11. Catalytic converter. If the engine light does not go out after time Will cause serious environmental pollution, increased fuel consumption, increased engine noise, increased temperature, etc. Full OBD2 Function Diagnosis Read Code View Detailed Description of Diagnostic Trouble Code (DTC) Clear Code and Reset Turn off the check engine light (MIL), clear the code and reset the monitor. data stream Read and view the data stream Real-time ECU/PCM, draw functions graphically and store freeze frame data. I/M Ready Status Indicates whether the various emissions-related systems of the vehicle are operating normally and are ready for inspection and maintenance testing. Read real-time data stream View continuous data stream information from vehicle in the real-time graphic display (waveform). View freeze frame data Check some vehicle conditions recorded by the = on-board computer when emissions-related faults have occurred. Oxygen Sensor Test Allows you to retrieve and display the results of the last monitor test O2 sensor readings performed from the vehicle's on-board computer. Car Display Test Retrieve and display test results of vehicle components and systems powertrain related emissions. Read vehicle information View VIN (Vehicle Identification Number), CID (Calibration ID) and CVN (Calibration Verification Number) and other information. Component Testing Some vehicle components may be activated by commands sent from the scanner to test how they work Free updates online It can be upgraded by connecting a PC via USB data cable to keep the latest software version. Good quality product