Connection Diagram - EVAP System, With Tank Leak Diagnosis System (Vehicles With 6-Cylinder Engine)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Pictured here is the hose diagram for the 3.2 L FSI engine
- Breather Line
- From Evaporative Emission (EVAP) canister to EVAP Canister Purge Regulator Valve 1 -N80-
- Clipped into brackets under the vehicle underbody
- Vacuum Line
- From the engine to the Leak Detection Pump -V144-.
- Clipped into brackets under the vehicle underbody
- Breather Line
- From the fuel tank locking flange to the EVAP canister
- Clipped into brackets under the vehicle underbody
- Fuel Tank Locking Flange
- Air Filter
- For the Leak Detection Pump -V144-
- Connecting Line
- From the Leak Detection Pump -V144- to the air filter
- Clipped into brackets under the vehicle underbody
- EVAP Canister
- Installed location: under the luggage compartment floor
- Removing and installing. Refer to EVAP CANISTER, REMOVING AND INSTALLING .
- Leak Detection Pump -V144-
- From MY 2013 replaced with Fuel Tank Leak Detection Control Module -J909- with integrated Fuel Tank Pressure Sensor -G400-
- Installed location: on the EVAP canister under the bottom of the luggage compartment
- Check in Guided Fault Finding mode using the Vehicle Diagnostic Tester.
- Removing and installing. Refer to LEAK DETECTION PUMP, REMOVING AND INSTALLING .
- To the Brake Booster
- EVAP Canister Purge Regulator Valve 1 -N80-