Where is the J255 control unit?
RH side of inner dash
Which AC system is this unit based on?
MQB platform, same as A3
How do the rear passengers receive cool air?
They don’t the AC system is blocked off for the rear seating area.
How many LIN control dials are there?
5, all part of rotary knobs in vents
What is different about the G56 sensor compared to the previous generation?
There is no longer an integrated fan
Why is tool T10532 required for pollen filter replacement?
Prevents dirt from falling into the fan when removed.