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