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.

Connect diagnostic tester. See Connect diagnostic tester .
Start engine and let run at idle for at least 15 minutes.
In diagnostic function "33 - OBD", select "Mode 6: Check test results of components that are not continuously monitored".
Select the "Test-ID 03: Secondary Air Injection (AIR) system"

Check specified values at idle.

SECONDARY AIR INJECTION (AIR) SYSTEM SPECIFICATION

Secondary Air Injection (AIR) system

Specification ⁽¹⁾

Bank 1

min: 24,000

⁽¹⁾	Control module internal calculated value

End diagnosis and switch ignition off.

If the specified values are not reached:

Check secondary air system for proper seal. See SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING FOR PROPER SEAL .
Check Secondary Air Injection (AIR) Pump Motor -V101-. See CHECK VOLTAGE SUPPLY OF THE SECONDARY AIR INJECTION (AIR) PUMP MOTOR .