Diagram of connections for charge air pressure control system and vacuum system
1 - From fuel tank
2 - Activated charcoal filter
- With ACF solenoid valve 1 (-N80-)
3 - Non-return valve for ACF
- Between activated charcoal filter and intake pipe upstream of turbocharger
- Install with light and dark sides in the positions shown in the illustration. Arrow points in direction of flow.
4 - Turbocharger
- Testing charge air pressure. Refer to Turbocharger and wastegate bypass regulator valve, testing
5 - Pressure unit for charge air pressure control
6 - Charge air pressure bypass valve
- Testing. Refer to Charge air pressure bypass valve, testing
7 - Brake servo
8 - Non-return valve
- Between brake servo and intake manifold
- Install with light and dark sides in the positions shown in the illustration. Arrow points in direction of flow.
9 - Solenoid valve for Wastegate bypass regulator valve -N75-
10 - Mass Air Flow (MAF) Sensor -G70-
11 - Air cleaner
12 - Crankcase breather pressure regulating valve
13 - Mechanical secondary air valve
14 - Vacuum reservoir
- Bolted to cylinder head cover
15 - Charge air cooler
- With charge air pressure sensor -G31-
16 - Fuel pressure regulator
17 - Throttle valve control module -J338-
18 - Intake manifold
- With Intake Air Temperature (IAT) Sensor -G42-
19 - Crankcase breather
20 - Non-return valve
- Install with light and dark sides in the positions shown in the illustration. Arrow points in direction of flow.
21 - Recirculating valve for turbocharger -N249-
- Testing. Refer to Figure
22 - Secondary Air Injection (AIR) Solenoid Valve -N112-
23 - Secondary Air Injection (AIR) Pump Motor -V101-
24 - Non-return valve
- Between activated charcoal filter and intake manifold
- Install with light and dark sides in the positions shown in the illustration. Arrow points in direction of flow.
25 - Charge air cooler