Overview Plan Of Exhaust Turbocharging System

Overview plan of exhaust turbocharging system (Vehicles with engine code AWP, AWV)







1 Connection hose
- From the Leak detection pump (LDP) -V144-
2 Vacuum reservoir
- below front right wheel housing liner
3 Check-valve
4 Turbocharger
5 Vacuum diaphragm
- For boost pressure regulator valve
6 Pressure regulator valve for crankshaft housing ventilation
7 Wastegate Bypass Regulator Valve -N75-
- Valve is activated (pulsed) by the Engine Control Module (ECM)
- Closed when no voltage present, limits charge pressure
8 Brake booster
9 Combination valve
- For Secondary Air Injection (AIR) system
10 Air filter with Mass Air Flow (MAF) Sensor -G70-
11 Check-valve
12 Deceleration shut-off valve
13 Secondary Air Injection (AIR) Pump Motor -V101-
14 Suction jet pump
15 Crankshaft housing ventilation
16 Fuel pressure regulator
17 Intake manifold
18 Recirculating valve for turbocharger -N249-
- For Secondary Air Injection (AIR) system
19 Vacuum reservoir
20 Secondary Air Injection (AIR) Solenoid Valve -N112-
21 Charge Air Pressure Sensor -G31-
22 Charge air cooler
23 Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
24 Connection hose
- to EVAP canister