Once installed, using the tool to identify and flash your hardware takes only a few minutes. It is critical to follow the steps precisely.
The PSA Interface Checker tool is generally bundled within the Diagbox installation package (usually found in C:\AWRoot\bin\fi\ . However, you can download a standalone version if needed.
Plug the Lexia-3 into your laptop and the other end into the OBD2 port of the car (optional, but sometimes needed for power). Launch the Software: Open Interface_Checker.exe . psa interface checker 440 link
Open Windows Device Manager. Locate your VCI (often listed under Universal Serial Bus controllers as an Actia device). If it displays a yellow exclamation mark, reinstall the Lexia drivers via your Diagbox setup files. Revision B vs. Revision C Complications
If the reference check reveals you need an update, or if your interface was accidentally corrupted during an auto-update, perform the manual flash. Once installed, using the tool to identify and
Confirm that the LIS receives the expected simulated value.
If the device keeps asking to update, flash it to 4.4.0, then set the aplayer.exe in Diagbox to "read-only" to prevent it from downgrading or attempting to upgrade. Conclusion However, you can download a standalone version if needed
The is a crucial diagnostic step used to verify the integrity of the data transmission between a lab analyzer (often a 400-series model) and the Laboratory Information System (LIS).
: Connect your PSA diagnostic interface to your computer via USB. Note that you do not need to connect it to the car's OBD-II port just to check or flash firmware.