As far as I can tell, only Techstream can do it?

 

I wonder how well this one could do...

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Tried that. Painfully slow....Not recommended.

 

Xtool responded to my question. And their answer is Yes.

"the steps are:
Diagnosis->Asia->TOYOTA ->North America->Automatic->System selection->Engine ->Actuation Test->Activate the Air Bypass Valve."

Also, the D8S allows me to disable the annoying PCS ( Pre-Collision System ), the question I had been searching an answer since November 2023.

 

Activate the Air Bypass Valve."

Why would the scan tool call the coolant bypass valve The "AIR" bypass valve? It has nothing to do with air. How can you be sure that scan tool is actually opening the coolant bypass valve? It does not make any noise when it opens or closes.