Work procedure
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.
CAUTION:
To reduce the risk of accident during road tests, always observe safety precautions. See SAFETY PRECAUTIONS
.
- Connect diagnostic tester. See CONNECT DIAGNOSTIC TESTER .
- Start engine and let run at idle for at least 15 minutes.
- Perform a 15 minute road test in the highest gear or in the highest driving mode on a level driving surface.
The following operating conditions must be met during this road test:
- Engine speed 1800 to 2200 RPM. See "PID 12: Engine rotations per minute"; MODE 1: CHECK MEASURED VALUES .
- Vehicle speed constant 90 km/h. See "PID 13: Vehicle speed"; MODE 1: CHECK MEASURED VALUES
.
- Read readiness code. See READ READINESS CODE .