Secondary Air Injection (AIR) System

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.

The following table provides quick links to all chapters in this section.

→ Principle and Function
→ Combination Valve for Secondary Air Injection (AIR), Checking Function
→ Secondary Air Injection (AIR) Solenoid Valve -N112-, Checking
→ Secondary Air Injection (AIR) Pump Relay J299, Checking
→ Secondary Air Injection (AIR) Pump Motor V101, Checking

→ Principle and Function

→ Combination Valve for Secondary Air Injection (AIR), Checking Function

→ Secondary Air Injection (AIR) Solenoid Valve -N112-, Checking

→ Secondary Air Injection (AIR) Pump Relay J299, Checking

→ Secondary Air Injection (AIR) Pump Motor V101, Checking