SL 600 (129.076) V12-6.0L (120.981) (1995)
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Function diagram of secondary air injection and exhaust gas recirculation as well vacuum supply (J) (USA) model year 1993
40
Diaphragm pressure regulator
60
Modulating pressure vacuum unit
89
Left exhaust gas recirculation valve
89a
Fight exhaust gas recirculation valve
98
Automatic transmission control pressure cable
125
Air pump
126
Air shutoff valve
127
Left check valve(injected air)
127a
Right check valve(injected air)
128
Check valve (vacuum)
135
Check valve (vacuum supply)
136
Vacuum reservoir
M16/3
Left electronic accelerator(EA) actuator
M16/4
Right electronic accelerator (EA) actuator
N1/4
Left DI ignition control unit(LH-SFI)
N1/5
Right DI ignition control unit(LH-SFI)
N3/2
Left sequential multiport(LH-SFI) control unit
N3/3
Right sequential multiport
Y3/3
Upshift delay switchover valve
Y4
2nd driving mode switchover valve
Y27/2
Left EGR switchover valve
Y27/3
Right EGR switchover valve
Y32
Air pump switchover valve
Y33
Air pump electromagnetic coupling
Y58/2
Left purge control valve
Y58/3
Right purge control valve
a
to activated charcoal filter
