Test requirements:
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 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.
- No DTCs in DTC memory; check DTC memory. See MODE 3: CHECK DTC MEMORY .
- Coolant temperature at least 80 °C. See "PID 05: Coolant temperature"; MODE 1: CHECK MEASURED VALUES .