Connector assignment at High Pressure Sensor G65
WARNING: This page is about a different car, the 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Contact - 1 - Ground (GND)
Contact - 2 - Signal output (square-wave signal to operating and display module, Climatronic Control Module J255)
Contact - 3 - B+ (terminal "75")
NOTE:
- The compressor does not switch on if the connector - B - is disconnected.
- The High Pressure Sensor - A - is an electronic control unit which generates a square-wave signal with a ratio which varies with the pressure in the refrigerant circuit.