Possible to use Toyota Techstream with GM MDI Interface?

Here’s the tutorial on how to use GM MDI (Multiple Diagnostic Interface) with Toyota Techstream software. This is not necessary because the MINI VCI passthru cable is very cheap for techstream.  The guide is for those who are interested in finding a good mvci alternative.

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Disclaimer: You are at your risk.  We are not hold the responsibility for the damage.

Instruction:

Techstream has only 2 default pass-thru device selection options: TIS Techstream VIM and Xhorse MVCI

So first step we need to add MDI to the VIM selection.

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Connect GM MDI interface with vehicle (here we use Windows 7 machine) via USB cable

MDI supports WiFi connection as well, but obviously we need to use USB connection here

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Go to Professional Diagnostic Tool MDI software folder and find MDI Manager driver

Install MDI Manager driver setup

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Install the GM MDI Software InstallShield Wizard

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Configure USB

Power on the MDI, wait for the “beep”. Ten connect it to the PC with the USB  cable(already connected it).

Press the Configure button when ready. Configuration may take several minutes.

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Finish installing MDI driver.

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Open GM MDI Manager on desktop

MDI is not yet connected

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Open Techstream software

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Now the MDI passthru is added to the VIM selection

Select MDI interface and press OK

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Accept Windows Security Private networks and allow access

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MDI not connected (require configuration)

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Open GM MDI Manager on desktop again

System prompts no MDIs detected

It require to recover MDI, press Recover button

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If it warns MDI software is out of date. Run Start Update

Do not unplug the MDI from the PC or remove power from the MDI during the update process.

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The MDI will automatically restart when update completed

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Now the MDI interface is connected

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Run Techstream again

Choose MDI interface

Initialize USB communication and connecting

Check the indicators on MDI adapter

Communication is built

Select vehicle model and start diagnose Toyota.

Done.

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