Audi Q7 (4M) 2016-2025 Workshop Manual

 Checking Pressures on Vehicles with Expansion Valve and Receiver/Dryer (with Internally Regulated Compressor)

General Information   Note Connect the 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 off, check the pressure in the refrigerant circuit (u

 Windshield Defogger

Windshield Defogger The Windshield Defogger Control Module -J505- is activated by the Comfort System Central Control Module -J393- at the request of the Front A/C Display Control Head -E87-. This request is sent via the data bus to the Comfort System Central Control Module -J393-. The Comfort