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Home >> Audi >> 2004 >> A6 Sedan (4B2) V6-2.7L Turbo (BEL) >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Air Injection >> Locations >> Component Overview
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Component Overview



Component Overview







1 Secondary Air Injection (AIR) Pump Relay -J299-
- Component location, See Fig.3
2 Motronic Engine Control Module (ECM) - J220-
3 Combination valve for secondary air injection (AIR)
4 Secondary Air Injection (AIR) Solenoid Valve -N112-
5 Secondary Air Injection (AIR) Pump Motor -V101-
6 Check-valve
- Installation position (light/dark side): Arrow points in direction of flow, as shown in figure.
7 To Intake manifold
8 Combination valve for secondary air injection (AIR)
9 Vacuum reservoir
- Component location: Under wheel housing liner in front left wheel housing

Fig. 3 Secondary Air Injection (AIR) Pump Relay -J299-* (-1-) with fuse -2- in protective housing (engine compartment, left)







NOTE:
- Remove battery Ground (GND) strap if tools are necessary for removal of relays or control modules from the relay carrier.
- Obtain radio code for radios with anti-theft coding before disconnecting battery.
- Check activation of the Secondary Air Injection (AIR) Pump Relay.
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