Vacuum and Vapor Hose Diagrams

ME-SFI Pneumatic Diagrams:

22/1 - Intake manifold switchover diaphragm unit
89 - EGR valve
126 - Secondary air injection shutoff valve (combination valve: check valve integrated) USA
128 - Check valve (vacuum) USA
a - Other components
B2/5 - Hot film mass air flow sensor (intake air temperature sensor integrated)
B28 - Pressure sensor USA
M16/6 - Throttle valve actuator
M33 - Electric air pump USA
Y22/6 - Resonance intake manifold switchover valve
Y31/1 - EGR vacuum transducer
Y32 - Air pump switch over valve USA
Y58/1 - Purge control valve