Preparatory steps
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 Audi allroad, 2004 Audi allroad, 2004 Audi A6, 2003 Audi allroad, and 2003 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.
- Connect VAG 1551 scan tool and press buttons -0- and -8- to insert AC/Heating Electronics" address word 08 and advance program until "Select function XX" appears on display. See ON BOARD DIAGNOSTIC (OBD), INITIATING .
- Carry out basic setting and check coding. See BASIC SETTING (FUNCTION 04) and ON BOARD DIAGNOSTIC (OBD), INITIATING .
- Close hood and sunroof.
- Measure ambient temperature.
- Close doors and windows.