Subaru Legacy IV (2008 year). Service manual — part 1209
WI-88
AT Control System
WIRING SYSTEM
10.AT Control System
A: WIRING DIAGRAM
1. 4AT MODEL
WI-22096
TCM
M/B FUSE No.
12
M/B FUSE No.
13
MAIN
SBF
SBF-8
SBF-6
IG 2
RELAY
OFF
ACC
IG1
IG2
ACC ON ST
ST
B8
B1
B2
B25
B26
B27
A10
A11
A13
B11
A14
A17
A18
P
R
N
D
I/F
F/B FUSE No.
5
F/B FUSE No.
4
F/B FUSE No.
12
1
P
R
N
D
ABS
CONTROL
MODULE
WN
WN
WN
ON
ON
ON
ON
WN
: WITHOUT NAVIGATION
ON
: WITH NAVIGATION
WN
ABS
ABS
VDC
VDC
VDC
VDC
: WITHOUT VDC
ABS
: WITH VDC
VDC
VDC
VDC
VDC
ABS
ABS
ABS
VDC
ECM
ABS
YAW RATE
SENSOR
CAN
JOINT
CONNECT
OR
CAN
JOINT
CONNECTOR
AT
SELECT
LEVER
BODY INTEGRATED UNIT
MICR
O COMPUTER
CAN TRANSCEIVER
& RECEIVER
IGNITION SWITCH
IGNITION SWITCH
BATTERY
COMBINATION METER
AWD
WARNING
LIGHT
SPORT
INDICATOR
BUZZER
(SPORT SHIFT)
ATF
TEMPERATURE
WARNING LIGHT
DIMMER & ST
ABILIZING
PO
WER SUPPL
Y CIRCUIT
DRIVE CIRCUIT
STEERING
ANGLE
SENSOR
LCD
SHIFT INDICATOR
(SPORT SHIFT)
CAN
JOINT
CONNECTOR
JOINT
CONNECTOR
VDC
CONTROL
MODULE
DATA LINK
CONNECTOR
DIMMER & ST
ABILIZING
PO
WER SUPPL
Y CIRCUIT
B
WI-89
AT Control System
WIRING SYSTEM
WI-15811
TCM
B10
REAR VEHICLE SPEED SENSOR
FRONT VEHICLE SPEED SENSOR
THROUGH JOINT CONNECTOR
ATF TEMPERATURE SENSOR
CONTROL VALVE BODY
A23
A12
B7
B6
B5
B4
A6
A5
A15
A26
LOW CLUTCH DUTY SOLENOID
JOINT CONNECTOR
A4
A3
LINE PRESSURE LINEAR SOLENOID
A27
A16
TORQUE CONVERTER
TURBINE SPEED SENSOR
A1
A2
B22
B23
B21
B20
HIGH CLUTCH DUTY SOLENOID
LOW & REVERSE DUTY SOLENOID
2-4 BRAKE DUTY SOLENOID
LOCK-UP DUTY SOLENOID
TRANSFER DUTY SOLENOID
1
FWD FUSE HOLDER
WI-90
AT Control System
WIRING SYSTEM
WI-22097
FB-36
F/B FUSE NO. 5
(IG)
TO POWER SUPPLY
CIRCUIT
BrW
BrW
A3
P
V
A21
A22
BY
BY
A11
A12
4A
T
-01
4A
T
-01
LCD
SHIFT INDICATOR
(SPORT SHIFT)
DIMMER & STABILIZING
POWER SUPPLY CIRCUIT
I/F
P
R
D
N
i10
A:
i107
i106
SPOR
T
INDICA
T
O
R
V
V
*
1
*
1
P
P
*
1
*
1
4AT-02
A
4AT-02
B
: TERMINAL No. OPTIONAL ARRANGEMENT
*
1
: WITHOUT NAVIGATION
ON
: WITH NAVIGATION
WN
i10
A:
3 4 5
6 7 8 9
19 20 21
14 15 16
17 18
1 2
10
12
11
13
22
(GREEN)
1 2 3 4
i107
i106
REF. TO GND
[GND-06]
BY
WN
WN
WN
WN
ON
ON
ON
ON
B
UZZER
(SPOR
T SHIFT)
CAN
JOINT
CONNECTOR
CAN
JOINT
CONNECTOR
DRIVE CIRCUIT
CAN TRANSCEIVER
& RECEIVE
MICRO COMPUTER
A
TF TEMPERA
TURE
W
ARNING LIGHT
DIMMER & STABILIZING
POWER SUPPLY CIRCUIT
AW
D
W
ARNING
LIGHT
COMBINATION
METER
WI-91
AT Control System
WIRING SYSTEM
WI-22098
A27
P
V
A26
4A
T
-02
4A
T
-02
i84
A:
B281
C:
4AT-01
A
4AT-01
B
OrB
C26
VW
C15
L
C25
ECM
TCM
B55
B:
B136
C:
P
B11
VR
B8
P
C22
VR
C16
5 6 7
8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26
27 28
16 17 18 19
20 21
B281
C:
B116
1 2
3 4 5
6 7 8 9 10 11 12
A:
i84
1 2
3 4
5 6
7 8
9 10 11 12
14 15 16 17 18 19 20 21 22 23
24 25
26 27 28 29
30 31 32 33
34 35
13
(GRAY)
REF. TO GND
[GND-03]
BY
W
B40
W
16
VR
7
BL
4
BL
5
GY
8
L
14
R
6
MB-27
M/B FUSE NO. 13
(B)
GY
FB-32
F/B FUSE NO. 4
(IG)
REF
. T
O
ENGINE ELECTRICAL
SYSTEM
[E/G(H4)-04]
4AT-03
C
4AT-03
D
(BLACK)
B40
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
B:
B55
5
6
7
2
1
3
4
29
10 11 12 13 14 15
25
24
16
30
9
8
17 18 19
20
28
21 22 23
32
31
26 27
33
34 35
B136
16
10 11 12 13 14 15
25
24
30
9
8
7
17 18 19 20
28
21 22 23
29
32
31
1
2
3
4
5
6
27
26
33 34 35
C:
B116
OrB
BY
9
7
8
VW
BY
6
11
L
BY
10
DATA LINK
CONNECTOR
SPOR
T/
MANU
AL
MODE
SWITCH
AT SELECT
LEVER
BODY INTEGRATED UNIT
TO POWER SUPPLY CIRCUIT
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