Subaru Legacy IV (2008 year). 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