Leon Mk2
| Diagram of connections for charge pressure control system and vacuum system |
| 1 - | Resonator |
| 2 - | Mechanical air circulation valve |
| q | check → Chapter |
| 3 - | Secondary air pump motor -V101- |
| 4 - | Charge pressure control solenoid valve -N75- |
| 5 - | Air filter |
| q | With air mass meter -G70- |
| 6 - | Retaining valve |
| q | Fitting position: the arrow in the figure shows the flow direction |
| 7 - | To activated charcoal filter. |
| 8 - | Activated charcoal filter solenoid valve 1 -N80- |
| 9 - | Turbocharger |
| 10 - | Charge pressure regulating valve for engine block ventilation |
| 11 - | Combination valve secondary air |
| 12 - | Retaining valve |
| q | Fitting position: the arrow in the figure shows the flow direction |
| 13 - | To brake servo |
| 14 - | Vacuum booster |
| 15 - | Retaining valve |
| q | Fitting position: the arrow in the figure shows the flow direction |
| 16 - | Crankcase breather |
| 17 - | Vacuum tank |
| 18 - | Retaining valve |
| q | Fitting position: the arrow in the figure shows the flow direction |
| 19 - | To fuel system diagnostic pump -V144- |
| q | Only on USA vehicles |
| 20 - | Retaining valve |
| q | Fitting position: the arrow in the figure shows the flow direction |
| 21 - | Secondary air inlet valve -N112- |
| q | Installation location: below the intake manifold |
| 22 - | Charge air cooler |
| q | With charge pressure sender -G31- |
| 23 - | Turbocharger air recirculation valve -N249- |
| q | Installation location: below the intake manifold |
| 24 - | Charge pressure control vacuum unit |
| q | When the secondary air combination valve is opened, the mechanical charge pressure regulating valve in the turbocharger opens as well and the secondary air is delivered directly to the catalytic converter past the turbocharger |
