Audi Q7: Infrared System

 Vehicles with Restrictor, Reservoir and A/C Compressor Regulator Valve -N280- (Externally Regulated A/C Compressor), Checking Pressures

Specified Values for the Refrigerant Circuit Pressures   Note Connect the Air Conditioning (A/C) service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". - With the ignition switched

 Heating Output and Temperature Door Activation, Testing Requirements

The coolant circuit is bled according to specifications. Refer to → Rep. Gr.19; Coolant System/Coolant; Coolant, Draining and Filling The engine is warm (the coolant temperature is higher than 80 ºC (176 ºF) ). Radiator and condenser are clean (if necessary, clean). All air du