A/C system control and regulation components: Notes

WARNING: This page is about a different car, the 2004 Audi S4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Service work on refrigerant circuit, see A/C REFRIGERANT SYSTEM, SERVICING
After completion of repair carry out the following
- Check DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING (FUNCTION 02)
- Initiate basic setting. See BASIC SETTING (FUNCTION 04) .
- Erase DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, ERASING (FUNCTION 05) .
For electrical testing on components marked with a "1)", AUTOMATIC CLIMATE CONTROL SYSTEM, ELECTRICAL TESTING .
All components marked with a "2)" will be activated during the output Diagnostic Test Mode (DTM). See OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) .
The center defroster vent for the front windshield can be replaced without removing the instrument panel.
See INSTRUMENT PANEL (except Cabriolet). See INSTRUMENT PANEL for the Cabriolet.