X-431 TOP Automotive Diagnostic Workstation is an upgrade on X-431 diagnostic scanner. Working on Bluetooth wireless communications, it has expanded functions to cover oscilloscope, engine analyzer, sensor signal simulator and includes an automotive database. 1.Vehicle diagnosis : 1)Wireless diagnosis function for the diagnosis of electronic control systems of most models in the word; 2)Updates at the same pace with x-431 . 2.Engine ignition analysis: 1)Display engine primary and secondary ignition waveform with single-cylinder, raster, parade, bar pattern and etc.; 2)Unique multi-cylinders synchronization simulation technology to enable more efficient and convenient testing. 3.Vehicle service database: 1)Equipped with detailed information including electronic system and circuit diagram; 2)Accurate location of electronic components and details of the connection principle; 3)Vivid display of color graphics on screen. 4.Vehicle oscilloscope: 1)Adopt maximal sampling frequency of 20MHz 2)Test for output waveform of various sensor/actuator available; 3)Analysis fault of seonsor/actuator 5.Sensor simulation and test: 1)Simulaiton of DC voltage signal, inpulse signal, sensor standard waveform signal and hand-drawn waveform available; 2)Simulation of sensor standard waveform for the confirmation of sensor troubles