EN 1.2.3 System Selection (Manual System Detection) This function allows you manually select the system and perform the related diagnostic functions. Tap “System Selection”, and then select the desired system (take “ENGINE” for example). The following screen will appear: a. Version Information This function can read the version information of system mode, vehicle VIN, software and ECU. b. Read Fault Code This function displays the detailed information of DTC records retrieved from the vehicle’s control system. The following screen will appear: 15