Component overview: Notes

WARNING: This page is about a different variant/trim than selected.

NOTE: The following list refers to Fig 1.

- Secondary Air Injection (AIR) Pump Motor -V101-
- Component location. See COMPONENT LOCATION OF SECONDARY AIR INJECTION (AIR) PUMP MOTOR -V101- .
- Checking. See CHECK VOLTAGE SUPPLY OF THE SECONDARY AIR INJECTION (AIR) PUMP MOTOR .
- Air filter housing
- Combination valve for Secondary Air Injection (AIR) system
- Component location. See COMBINATION VALVE FOR SECONDARY AIR INJECTION (AIR) SYSTEM .
- Checking. See COMBINATION VALVE FOR SECONDARY AIR INJECTION (AIR) SYSTEM, CHECKING FUNCTION AND FOR PROPER SEAL .
- Check-valve
- Installation position (light/dark side): Arrow points in direction of flow, as shown in Fig 1.
- Secondary Air Injection (AIR) Pump Relay -J299-
- Component location. See COMPONENT LOCATION OF SECONDARY AIR INJECTION (AIR) PUMP RELAY -J299- .
- Checking. See SECONDARY AIR INJECTION (AIR) PUMP RELAY -J299- AND ACTIVATION, CHECKING .
- Motronic Engine Control Module (ECM) -J220-
- Vacuum reservoir
- Component location: Under wheel housing liner in front left wheel housing
- Secondary Air Injection (AIR) solenoid valve -N112-
- Component location. See COMPONENT LOCATION OF SECONDARY AIR INJECTION (AIR) SOLENOID VALVE -N112- AND RECIRCULATING VALVE FOR TURBOCHARGER -N249- .
- Checking. See SECONDARY AIR INJECTION (AIR) SOLENOID VALVE -N112- CHECKING .
- Cylinder head

Fig 1: Identifying Secondary Air System Components

Courtesy of AUDI OF AMERICA, INC.