Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 08. MECHANISM AND FUNCTION 13. EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) 02. Schematic Diagrams
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W1860BE.book Page 4 Tuesday, January 28, 2003 11:01 PM
SCHEMATIC DIAGRAMS
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
2. Schematic Diagrams
(34)
(44)
(35) (16)
(38) (45)
(41) (39) (46)
(42) (40) (47)
(37)
(43)
(1)
(49) (17)
(19)
(54)
(53)
(15) (56)
(48)
(50)
(12)
(52)
(57)
(55) (11) (51)
(31)
(18)
(7) (30)
(9) (10) (5)
(29)
(6)
(58)
(27) (6)
(59) (32)
(32) (8)
(28)
(33) (33) (4)
(13) (3)
(26) (36)
(20)
(14) (23) (2) (2)
(21) (22) (24)
(25)
EC-00210
EC(H4DOTC)-4
W1860BE.book Page 5 Tuesday, January 28, 2003 11:01 PM
SCHEMATIC DIAGRAMS
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)
(1) Engine control module (ECM) (31) Intercooler
(2) Ignition coil and igniter assembly (32) Tumble generator valve position sensor
(3) Crankshaft position sensor (33) Tumble generator valve actuator
(4) Camshaft position sensor (34) Radiator fan
(5) Throttle position sensor (35) Radiator fan relay
(6) Fuel injector (36) Knock sensor
(7) Pressure regulator (37) A/C compressor
(8) Engine coolant temperature sensor (38) Inhibitor switch (AT models)
(9) Manifold absolute pressure sensor (39) Neutral position switch (MT models)
(10) Idle air control solenoid valve (40) Engine malfunction indicator light (MIL)
(11) Purge control solenoid valve (41) Tachometer
(12) Fuel pump (42) A/C relay
(13) Mass air flow and intake air temperature sensor (43) A/C control module
(14) Air cleaner element (44) Ignition switch
(15) Canister (45) Transmission control module (TCM)
(16) Main relay (46) Vehicle speed sensor
(17) Fuel pump relay (47) Data link connector
(18) Fuel filter (48) Fuel tank pressure sensor
(19) Fuel pump control unit (49) Pressure control solenoid valve
(20) Front catalytic converter (50) Fuel temperature sensor
(21) Rear catalytic converter (51) Fuel level sensor
(22) Pre-catalytic converter (52) Drain filter
(23) Exhaust temperature sensor (53) Vent valve
(24) Front oxygen (A/F) sensor (54) Shut-off valve
(25) Rear oxygen sensor (55) Drain valve
(26) Turbocharger (56) Fuel cut valve
(27) Wastegate control solenoid valve (57) Fuel tank sensor control valve
(28) Wastegate controller (58) PCV valve
(29) Purge valve (59) PCV diagnosis connector
(30) Air bypass valve
EC(H4DOTC)-5
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