Air Injection

Charge air system diagram





Engine code ATW

1. EVAP canister
2. Vent pipe
^ From gravity valve on fuel tank, Refer to Powertrain Management.
3. Check valve
^ For EVAP canister
4. Turbocharger
^ Charge pressure control valve and Wastegate Bypass Regulator valve pressure unit are components of the turbocharger and cannot be replaced individually
5. Combination valve
^ For secondary air system
^ Checking, Refer to Powertrain Management.
6. Fuel pressure regulator
7. To brake servo
8. Vacuum booster
9. Vacuum reservoir
^ Secured in wheel housing, front left
10. Check valve
11. Check valve
12. Crankcase ventilation
13. Secondary Air Injection (AIR) solenoid valve -N112
^ Checking, Refer to Air Injection Control Valve.
14. Check valve
^ For EVAP canister
15. Recirculating valve for turbocharger -N249
^ Checking, Refer to Fuel Delivery and Air Induction.
16. Charge air pressure sensor -G31-*
^ Checking, Refer to Fuel Delivery and Air Induction.
17. Charge air cooler
18. Throttle valve control module
19. Intake manifold
20. Pressure unit
^ For wastegate
^ Integral part of turbocharger cannot be replaced
21. Recirculating valve for turbocharger
22. Wastegate Bypass Regulator valve -N75)
^ The valve will be activated from the engine control module (pulsed)
^ Closed with no current, charge pressure limited
^ Checking activation: Refer to Fuel Delivery and Air Induction.
23. Secondary Air Injection (AIR) pump motor -V101-*, Refer to Air Injection Pump.
^ Checking function
24. Pressure regulating valve
^ For crankcase ventilation
25. EVAP Canister Purge Regulator valve 1 -N80
^ Checking: Refer to Powertrain Management.