Vediamo is a powerful programming software for Mercedes-Benz vehicles. To use it with your J2534 device via the Autokent driver, follow these steps:
This comprehensive guide will walk you through the entire installation process safely and efficiently. Step 1: Prerequisites and Preparation
The Autokent MVCI Multi Driver x64 is an essential piece of software for anyone looking to perform in-depth diagnostics and programming on Toyota, Lexus, and Scion vehicles using a Mini VCI or XHorse MVCI Pro cable.
Follow these steps precisely to install the AutoKent MVCI Multi Driver on your 64-bit system. Step 1: Disable Windows Defender and Antivirus autokent mvci multi driver x64 install
: Windows 7, 8, 10, or 11 (64-bit versions). Hardware : XHorse MVCI J2534 Cable (or compatible clone).
: Keep your VCI / J2534 USB cable unplugged from the computer until the software installation instructs you to connect it. Step-by-Step Installation Guide Step 1: Download and Extract the Package
Plug your Mini VCI or MVCI cable into a USB port on your computer. Vediamo is a powerful programming software for Mercedes-Benz
| Error Code | Message | Solution | | :--- | :--- | :--- | | | Unsigned driver | You forgot to disable signature enforcement. Reboot into the special startup settings. | | Code 10 | Device cannot start | USB power issue. Use a powered USB hub or change ports. Re-flash firmware. | | Code 28 | Driver not installed | Windows did not find the INF file. Manually select “Have Disk” and point to the .inf in the x64 folder. | | Device vanishes | Disconnects randomly | Bad USB cable. Replace with a shielded, short (1m) USB 2.0 cable. |
: Periodically check for firmware updates for your MVCI device to ensure compatibility with the latest vehicle systems and software features.
Open Device Manager , find your MVCI cable under Ports. Right-click > Properties > Port Settings > Advanced . Change the COM port number to COM1 , COM2 , or COM3 . (Techstream prefers lower COM numbers). Ensure your MVCI Firmware tool matches this selection. 2. Techstream Doesn't Recognize Cable Follow these steps precisely to install the AutoKent
: Follow the on-screen prompts to register the .dll files into the Windows registry. This step ensures Techstream can "see" the cable. Techstream Configuration Open Techstream : Launch the Toyota Techstream software. Select VIM : Go to Setup > VIM Select .
However, the installation of this driver is rarely a simple "next-next-finish" process, which contributes to its notoriety in automotive forums. The complexity arises because Toyota’s native drivers often lack the necessary digital signatures required by modern Windows security protocols. The installation typically requires the user to boot the computer into "Driver Signature Enforcement Disabled" mode or "Test Mode." This specialized startup state allows the operating system to accept the unsigned or modified driver files necessary for the MVCI interface. This process demands a certain level of computer literacy from the automotive technician, blending the skills of IT support with mechanical repair.
For automotive technicians, DIY enthusiasts, and Toyota, Lexus, and Scion owners, the software is an indispensable tool. It allows you to perform deep-level diagnostics, customize vehicle settings, and program modules just like the professionals.
Choose the specific firmware target matching your cable type (typically Firmware V1.4.1 or V2.0.4 for Mini VCI cables).
As of 2025, Toyota Techstream has moved to version 18.x, which actively checks for counterfeit VCI signatures. However, the approach installs a generic J2534 Pass-Thru layer that bypasses many of these checks. The “multi” label also ensures that if you switch from Toyota to Honda HDS, you don’t need to reinstall drivers—the single x64 driver handles protocol switching on the fly.