Engine Compartment Vacuum Connection (Schematic)
- Fuel pressure regulator
- Solenoid valve for intake plenum switchover valve
- Vacuum unit for intake plenum switchover valve
- Pre–volume chamber
- To activated carbon canister
- Tank vent valve
- Engine vent housing
- Solenoid valve for resonance pipe switchover valve
- Vacuum unit for resonance pipe switchover valve
- Secondary air solenoid valve
- Non–return valve (yellow connection to secondary air solenoid valve)
- Secondary air combination valve
- Engine vent adapter
- Vacuum distributor
- To vacuum reservoir (on underbody)
- To heater control unit