Volkswagen Tiguan Service and Repair Manual > Refrigerant Circuit General Information: Electrical Components Not on Refrigerant Circuit
A/C Programmer -J127-
This programmer switches the refrigerant flow direction through the second
evaporator if the temperature on the cooling fins on the second evaporator
lowers to the freezing point for water (icing protection).
Coolant Fan Control Module -J293-
Note
There are different constru ...