audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Throttle Position Sensor > < Closed Throttle Position Switch <--> [Throttle Full Close Switch]|Specifications|Page 529
Page 1
background image

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

Throttle Position Sensor > < Closed Throttle Position Switch <--> [Throttle Full Close Switch]|Specifications|Page 529