Turbocharger

Turbocharging system, overview






1. EVAP canister

2. Vent line
From change-over valve at fuel tank

3. Check-valve
For EVAP canister system

4. Turbocharger
The charge air pressure regulation valve and vacuum diaphragm for charge air pressure regulation valve are part of the exhaust turbocharger and cannot be replaced individually.

5. Combination valve
For Secondary Air Injection (AIR) system Checking

6. Fuel pressure regulator

7. To cylinder head cover
Crankcase breather valve

8. To brake booster
9. Vacuum booster

10. Vacuum reservoir
Two separate chambers

11. To diagnostic pump

12. Check-valve
Bypass to vacuum booster

13. Check-valve
bypass to vacuum booster

14. Crankcase ventilation
15. Secondary Air Injection (AIR) Solenoid Valve -N112-

16. Check-valve
For EVAP canister system

17. Check-valve
For diagnostic pump

18. Charge Air Pressure Sensor -G31-
19. Charge air pressure cooler
20. Throttle valve control module
21. Intake manifold
22. Recirculating valve for turbocharger -N249-

23. Pressure unit
For charge air pressure regulation valve
Part of turbocharger, cannot be replaced

24. Wastegate Bypass Regulator Valve -N75-
Valve is activated (pulsed) by the Engine Control Module (ECM)
Closed when no voltage present, limited by charge air pressure

25. Deceleration shut-off valve

26. Pressure regulator valve
For crankcase ventilation

27. Secondary Air Injection (AIR) Pump Motor -V101-
28. Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-