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Home >> Audi >> 2004 >> A6 Sedan (4B2) V6-2.7L Turbo (BEL) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Electronic Throttle Control Module >> Locations >> EVAP Canister System, Overview
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EVAP Canister System, Overview



EVAP Canister System, Overview







1 Throttle Valve Control Module -J338-*
2 Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-*
- Component location: In engine compartment
3 Vent line
- From EVAP canister to Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
- Installation position: Right side, beneath vehicle floor
- Front Wheel Drive (FWD) vehicles: secured to vehicle floor in fuel tank area
- All Wheel Drive (AWD) vehicles: secured to fuel tank in fuel tank area
4 Vent line
- To gravity valve on fuel tank
5 EVAP canister
- Component location: Bottom of spare tire well
6 Connection hose
- Leak Detection Pump (LDP)/EVAP canister
- Pressure side
7 Air filter housing
- For diagnostic pump
8 Leak detection pump (LDP) -V144-*
- Component location: Under wheel housing liner in rear left wheelhouse
9 Vacuum line
- Leak Detection Pump (LDP)/throttle valve control module
10 T-piece
- Component location, See Fig. 1.

Fig. 1 Installation position of T-piece







T-piece (arrow) is located between engine and bulkhead.
1 To EVAP canister
2 To Leak detection pump (LDP) -V144-
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