[Thelothar]

Is this control vavle only for battery cooling or does it also do cabin as well?

 

[jbakerjonathan]

You might get some understanding with this post:

The Chevrolet Volt Cooling/Heating Systems Explained

[ad#post_ad]The Chevy Volt is equipped with four fully independent cooling systems or “loops”. The power electronics cooling system loop is dedicated to cooling the battery charger and the power inverter module. The battery cooling system cools (or in some cases heats) the 360V high voltage...

www.gm-volt.com

 

[MikeBCo]

Battery and cabin thermal circuits are two separate systems. The battery circuit only heats or cools the battery.

The cabin circuit only heats the cabin using either the engine or the electric heater.