A/C system control and regulation components: Notes

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.