EDIAG ELITE Supports Bidirectional Control Function:Bi-Directional Control capability and is capable of performing Active Tests to access vehicle-specific subsystems and component tests. The tester outputs commands to the ECU to drive the actuators in order to determine the integrity of the system or parts by reading the ECU data, or by monitoring the operation of the actuators. For example , x431 v have the ability to actuate relays, injectors, coils, or perform system tests, etc. Also it actuate solenoids valve and actuators for active testing to identify the error easily moreover. The bidirectional functions are quite extensive. EDIAG ELITE Supports Full OBD2 Function:Reading Codes Show the detailed description of the Diagnostic Trouble Code (DTCs) Erasing Codes & Reset:Turns off Check Engine Light (), clears codes and resets monitors. Data Stream:Reads and displays live ECU/PCM data stream, plotting functions graphically and stores freeze frame data. Readiness Status:Shows whether the emissions-related systems on the vehicle are operating properly and are ready for inspection and maintenance testing. Read Live Data Stream:Show the information of continuous data stream from a vehicle in live graphic (waveform) display. 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. O2 Sensor Test:Allows retrieval and viewing of O2 sensor monitor test results for the most recently performed tests from the vehicle's on-board computer. Read Vehicle Information Display the information such as VIN (Vehicle Identification Number), CID (Calibration ID) and CVN (Calibration verification number) Colour:As Shown Material:ABS Package Contents: 1 * Car OBD2 Diagnostic Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.