TT Roadster L4-1.8L Turbo (AWP) (2003)
Electronic Throttle Control Module: Vacuum and Vapor Hose Diagrams
Vacuum System Layout
1
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Secondary air injection (AIR) solenoid valve -N112-
2
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Crankcase breather
3
-
Secondary air injection (AIR) pump motor -V101-
4
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Throttle valve control module -J338-
5
-
Non-return valves for EVAP canister
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Between EVAP canister and intake manifold
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Between EVAP canister and intake pipe upstream of turbocharger
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Install with light and dark sides in the positions shown in the illustration. Arrow points in direction of flow.
6
-
Charge air cooler
-
With charge air pressure sensor -G31
7
-
Check valve
-
Inserted into the vacuum reservoir
8
-
Vacuum reservoir
-
Leak detection pump (LDP) -V144-
9
-
Evaporative Emission (EVAP) canister purge regulator valve -N80-
10
-
Test connection
11
-
Leak detection pump (LDP) -V144-
-
Installation position: In front right wheelhousing behind the wheelhousing liner
12
-
to EVAP canister
13
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to EVAP canister
14
-
Turbocharger
15
-
Vacuum unit for charge pressure control
16
-
Mechanical air recirculation valve
17
-
Brake booster