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 33. AUTOMATIC TRANSMISSION 10. Schematic Drawings
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10.Schematic Drawings
A: P AND N RANGES
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
PL (Line pressure) duty pressure Cooler pressure
2-4 brake duty pressure Lubrication pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
W1860BE.book Page 38 Tuesday, January 28, 2003 11:01 PM
2-4 brake
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure Low clutch solenoid B
clutch regulator Lockup duty solenoid
valve timing
control Pressure solenoid
valve modifier
valve
Low clutch Shift Shift
Throttle accumulator A timing valve B valve A
valve A
Accumulator
control
valve A
W1860BE.book Page 39 Tuesday, January 28, 2003 11:01 PM
Low clutch
timing
valve B
Filter
Lockup
duty solenoid
Exhaust
O/P
Line pressure
Intake relief valve
1st
reducing valve
Oil
strainer
Throttle accumulator B
Pilot valve Accumulator
control
valve B 2-4 brake
Reverse 2-4 brake timing valve B
Pressure Filter inhibit valve timing valve A
regulator Modifier
valve accumulator
Filter
N RANGE Manual valve
2-4 brake 2-4 brake
duty solenoid timing solenoid
P RANGE
AT-01259
B: R RANGE
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
PL (Line pressure) duty pressure Cooler pressure
2-4 brake duty pressure Lubrication pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
W1860BE.book Page 40 Tuesday, January 28, 2003 11:01 PM
2-4 brake
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure Low clutch solenoid B
clutch regulator Lockup duty solenoid
valve timing
control Pressure solenoid
valve modifier
valve
Low clutch Shift Shift
Throttle accumulator A timing valve B valve A
valve A
Accumulator
control
valve A
W1860BE.book Page 41 Tuesday, January 28, 2003 11:01 PM
Low clutch
timing
valve B
Filter
Lockup
duty solenoid
Exhaust
O/P
Line pressure
Intake relief valve
1st
reducing valve
Oil
strainer
Throttle accumulator B
Pilot valve Accumulator
control
valve B 2-4 brake
Reverse 2-4 brake timing valve B
Pressure Filter inhibit valve timing valve A
regulator Modifier
valve accumulator
Filter
Manual valve
2-4 brake 2-4 brake
duty solenoid timing solenoid
AT-01260
C: 4TH SPEED GEAR IN D RANGE (LOCKUP OFF)
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
PL (Line pressure) duty pressure Cooler pressure
2-4 brake duty pressure Lubrication pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
2-4 brake
W1860BE.book Page 42 Tuesday, January 28, 2003 11:01 PM
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure Low clutch solenoid B
clutch regulator Lockup duty solenoid
valve control Pressure timing
valve modifier solenoid
valve
Low clutch Shift Shift
Throttle accumulator A timing valve B valve A
valve A
Accumulator
control
valve A
W1860BE.book Page 43 Tuesday, January 28, 2003 11:01 PM
Low clutch
timing
valve B
Filter
Lockup
duty solenoid
Exhaust
O/P
Line pressure
Intake relief valve 1st
reducing valve
Oil
strainer
Throttle accumulator B
Pilot valve Accumulator
control
valve B 2-4 brake
Reverse 2-4 brake timing valve B
Pressure Filter inhibit valve timing valve A
regulator Modifier
valve accumulator
Filter
D RANGE Manual valve
2-4 brake 2-4 brake
duty solenoid timing solenoid
AT-01261
D: 4TH SPEED GEAR IN D RANGE (LOCKUP ON)
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
PL (Line pressure) duty pressure Cooler pressure
2-4 brake duty pressure Lubrication pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
W1860BE.book Page 44 Tuesday, January 28, 2003 11:01 PM
2-4 brake
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure solenoid B
clutch regulator Lockup duty solenoid Low clutch
valve control Pressure timing
valve modifier solenoid
valve
Low clutch Shift Shift
Throttle accumulator A timing valve B valve A
valve A
Accumulator
control
valve A
W1860BE.book Page 45 Tuesday, January 28, 2003 11:01 PM
Low clutch
timing
valve B
Filter
Lockup
duty solenoid
Exhaust
O/P
Line pressure
Intake relief valve
1st
reducing valve
Oil
strainer
Throttle accumulator B
Pilot valve Accumulator
control
valve B 2-4 brake
Reverse 2-4 brake timing valve B
Pressure Filter inhibit valve timing valve A
regulator Modifier
valve accumulator
Filter
D RANGE Manual valve
2-4 brake 2-4 brake
duty solenoid timing solenoid
AT-01262
E: 3RD SPEED GEAR IN D AND 3 RANGES
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
PL (Line pressure) duty pressure Cooler pressure
2-4 brake duty pressure Lubrication pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
W1860BE.book Page 46 Tuesday, January 28, 2003 11:01 PM
2-4 brake
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure Low clutch solenoid B
clutch regulator Lockup duty solenoid
valve timing
control Pressure solenoid
valve modifier
valve
Low clutch Shift Shift
Throttle accumulator A timing valve B valve A
valve A
Accumulator
control
valve A
W1860BE.book Page 47 Tuesday, January 28, 2003 11:01 PM
Low clutch
timing
valve B
Filter
Lockup
duty solenoid
Exhaust
O/P
Line pressure
Intake relief valve 1st
reducing valve
Oil
strainer
Throttle accumulator B
Pilot valve Accumulator
control
valve B 2-4 brake
Reverse 2-4 brake timing valve B
Pressure Filter inhibit valve timing valve A
regulator Modifier
valve accumulator
Filter
D RANGE Manual valve
2-4 brake 2-4 brake
duty solenoid timing solenoid
3 RANGE
AT-01263
F: 2ND SPEED GEAR IN D, 3 AND 2 RANGES
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
Cooler pressure
PL (Line pressure) duty pressure
Lubrication pressure
2-4 brake duty pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
2-4 brake
W1860BE.book Page 48 Tuesday, January 28, 2003 11:01 PM
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure Low clutch solenoid B
clutch regulator Lockup duty solenoid
valve timing
control Pressure solenoid
valve modifier
valve
Low clutch Shift Shift
Throttle accumulator A timing valve B valve A
valve A
Accumulator
control
valve A
Low clutch
W1860BE.book Page 49 Tuesday, January 28, 2003 11:01 PM
timing
valve B
Filter
Lockup
duty solenoid
Exhaust
O/P
Line pressure
Intake relief valve 1st
reducing valve
Oil
strainer
Throttle accumulator B
Pilot valve Accumulator
control
valve B 2-4 brake
Reverse 2-4 brake timing valve B
Pressure inhibit valve timing valve A
regulator Modifier Filter
valve accumulator
Filter
D RANGE Manual valve
2-4 brake 2-4 brake
duty solenoid timing solenoid
3 RANGE
2 RANGE AT-01264
G: 1ST GEAR IN D, 3, AND 2 RANGES
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
PL (Line pressure) duty pressure Cooler pressure
2-4 brake duty pressure Lubrication pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
2-4 brake
W1860BE.book Page 50 Tuesday, January 28, 2003 11:01 PM
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure Low clutch solenoid B
clutch regulator Lockup duty solenoid
valve timing
control Pressure solenoid
valve modifier
valve
Low clutch Shift Shift
Throttle accumulator A timing valve B valve A
valve A
Accumulator
control
valve A
W1860BE.book Page 51 Tuesday, January 28, 2003 11:01 PM
Low clutch
timing
valve B
Filter
Lockup
duty solenoid
Exhaust
O/P
Line pressure
Intake relief valve
1st
reducing valve
Oil
strainer
Throttle accumulator B
Pilot valve Accumulator
control
valve B 2-4 brake
Reverse 2-4 brake timing valve B
Pressure inhibit valve timing valve A
regulator Modifier Filter
valve accumulator
Filter
D RANGE Manual valve
2-4 brake 2-4 brake
duty solenoid timing solenoid
3 RANGE
2 RANGE AT-01265
H: 1ST SPEED GEAR IN 1 RANGE
Line pressure 1st reducing pressure
Pressure modifier Transfer clutch pressure
Pilot pressure Torque converter clutch pressure
PL (Line pressure) duty pressure Cooler pressure
2-4 brake duty pressure Lubrication pressure
Transfer duty pressure
Accumulator control pressure A
Accumulator control pressure B
One-way ball: blocks oil passage to left side only
High clutch Drain
Reverse clutch Orifice
2-4 brake
W1860BE.book Page 52 Tuesday, January 28, 2003 11:01 PM
Low clutch
Low & reverse brake
Transfer clutch
Transfer duty solenoid
Transfer
control valve
ATF ATF
filter cooler Filter
High clutch Low clutch 2-4 brake
accumulator A accumulator accumulator A
High clutch
accumulator B 2-4 brake accumulator B
Shift
Torque converter Shift solenoid A
Line pressure Low clutch solenoid B
clutch regulator Lockup dut◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo