Operation CHARM: Car repair manuals for everyone.

Throttle Full Open Switch HVAC: Description and Operation

NOTE: These A/C system switches are available in different versions. Always check with Audi Parts for latest parts information to ensure correct switch application.

A/C Refrigerant High Pressure Switch -F23-:





- Switches coolant fan -V7- to second speed when A/C system pressure increases

A/C Refrigerant High Pressure Switch -F23-:





- Switches A/C clutch -N25- off if system pressure is too high

A/C Refrigerant Low Pressure Switch -F73-:





- Switches A/C clutch -N25- off if system suction pressure is too low (low refrigerant charge). This switch protects the compressor if the refrigerant system is empty