Volkswagen Tiguan Service and Repair Manual > Refrigerant Circuit General Information: Switches and Sensors on Refrigerant Circuit and Connections
A/C Refrigerant High Pressure Switch -F23-
Note
For switching pressures, removing and installing switches and switch
arrangement and version, see vehicle-specific refrigerant circuit.
Function:
Switches the coolant fan to the next higher level when the pressure in the
refrigerant circuit increase ...