Subaru 1997-1998 Impreza Service Manual page 84

EMISSION CONTROL SYSTEM AND VACUUM FITTING
Gl
cz,
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Engine conlrol module (ECM)
Ignition coil
(§)
@ Ignitor
(!)
(5;
Crankshaft position sensor
@
Camshaft position sensor
@
Throttle position sensor
@
Fuel injectors
®
Pressure regulator
@
Engine coolant temperature sensor
@
Mass air flow sensor
®
Pressure sensor
@
Idle air control solenoid valve
GIl
Purge control solenoid valve
\lLI
Fuel pump
Gi:
Pressure sources switching solenoid valve
;Jj)
Air cleaner
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Canister
Ii!'
Main relay
Fuel pump relay
Fuel filter
i2Z
Front catalytic converter
Rear catalytic converter (Except Australia spec. vehicles)
((l
®
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Oxygen sensor
Radiator fan
t3
Radiator fan relay
@
Knock sensor
®>
@ NC compressor
Ql>
@
Inhibitor switch (AT vehicle only)
@
Neutral position switch (MT vehicle only)
CHECK ENGINE malfunction indicalor lamp (MIL)
®
Tachometer
AlC relay
� Ale control module
Q$l Ignition switch
@
Vehicle speed sensor 2
@
!Xl Data link connector
@.
Tow way valve
@
Q!9
Fuel cui valve
@
Auxiliary purge control valve
Air vent valve
Wastegate control solenOid valve
(g Wastegate controller
"l'
Turbocharger
Intercooler
9
2.
2 - 1
[M2CO]
Schematic Drawing