Subaru Legacy (2005 year). Manual - part 573

4AT(diag)-129

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Diagnostic Procedure without Diagnostic Trouble Code (DTC)

• RHD model

AT-03169

3

4

21

1

22

7

i10

i77

2

8

A27

A26

B20

B30

8

B352

2

4

B53

i84

A:

B280

B:

3

12

TCM

B54

i10

i77

i84

B280

B352

B53

B54

2

1

3 4

6 7 8 9 10

22

21

20

19

18

17

16

15

14

13

12

11

5

12

11

10

9

8

7

6

5

4

3

2

1

10

9

8

7

6

5

4

3

2

1

20

19

18

17

16

15

14

13

12

11

8

7

6

5

4

3

2

1

22 23

21

20

19

16

15

14

13

12

11

10

9

34 35

33

32

17
30

18
31

29

28

27

26

25

24

8

7

6

5

4

3

2

1

22

23

21

20

19

16

15

14

13

12

11

10

9

17

30

18

29

28

27

26

25

24

8

3

4

5

6

7

2

1

18 19 20

17

16

15

14

13

12

11

10

9

24

23

22

21

E

COMBINATION
METER

SPORT 
INDICATOR

JOINT
CONNECTOR

JOINT
CONNECTOR

JOINT
CONNECTOR

BODY INTEGRATED MODULE

IGNITION

SWITCH

B

A

TTER

Y

A:

B:

2

1

3 4

8

7

6

5

1

*

: TERMINAL No. RANDOM ARRANGEMENT
  AMONG 8,18, AND 19

2

*

 : TERMINAL No. RANDOM ARRANGEMENT
   AMONG 9,10, AND 20

No.12

SBF-6

MAIN SBF

2

*

2

*

1

*

1

*

6

4AT(diag)-130

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Diagnostic Procedure without Diagnostic Trouble Code (DTC)

Step

Check

Yes

No

1

CHECK BODY INTEGRATED MODULE.
Check DTC of body integrated module.

Is DTC of CAN communication 
displayed?

Perform the diag-
nosis according to 
DTC.

Go to step 2.

2

CHECK TCM.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data 
link connector.
3) Turn the ignition switch to ON. (engine 
OFF)
4) Turn the Subaru Select Monitor power 
switch to ON.
5) Shift the select lever to manual mode side.
6) Read the gear position data of TCM using 
Subaru Select Monitor. 

Is the gear position 1?

Go to step 3.

Replace the TCM. 
<Ref. to 4AT-66, 
Transmission Con-
trol Module 
(TCM).>

3

CHECK TCM.
1) Up-shift the select lever.
2) Read the gear position data of TCM using 
Subaru Select Monitor. 

Is the gear position 2?

Go to step 4.

Replace the TCM. 
<Ref. to 4AT-66, 
Transmission Con-
trol Module 
(TCM).>

4

CHECK BODY INTEGRATED MODULE.
Read the data of SPORT shift gear position 
using Subaru Select Monitor.

Is the SPORT shift gear posi-
tion 2?

Go to step 5.

Check the body 
integrated module.

5

CHECK COMBINATION METER.
<Ref. to IDI-3, INSPECTION, Combination 
Meter System.>

Is the SPORT indicator OK?

Check the buzzer. 
<Ref. to 4AT(diag)-
134, Diagnostics 
with Phenome-
non.>

Replace the com-
bination meter 
assembly. <Ref. to 
IDI-15, Combina-
tion Meter.>

4AT(diag)-131

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Diagnostic Procedure without Diagnostic Trouble Code (DTC)

D: CHECK BUZZER

DIAGNOSIS:
Output signal circuit of buzzer is open or shorted.
TROUBLE SYMPTOM:
Buzzer remains sounded.
WIRING DIAGRAM:
• LHD model

3

4

21

22

AT-03170

1

7

i77

i10

i84

A:

B280

B:

2

8

A26

A27

B20

B30

3

12

TCM

B54

i10

i77

i84

B280

B54

2

1

3 4

6 7 8 9 10

22

21

20

19

18

17

16

15

14

13

12

11

5

12

11

10

9

8

7

6

5

4

3

2

1

8

7

6

5

4

3

2

1

22 23

21

20

19

16

15

14

13

12

11

10

9

34 35

33

32

17
30

18
31

29

28

27

26

25

24

8

7

6

5

4

3

2

1

22

23

21

20

19

16

15

14

13

12

11

10

9

17

30

18

29

28

27

26

25

24

8

3

4

5

6

7

2

1

18 19 20

17

16

15

14

13

12

11

10

9

24

23

22

21

MAIN SBF

SBF-6

E

B

A

TTER

Y

IGNITION
SWITCH

JOINT
CONNECTOR

BODY INTEGRATED MODULE

COMBINATION
METER

SPORT
SHIFT
BUZZER

A:

B:

2

4

5

7

B352

JOINT
CONNECTOR

B355

JOINT
CONNECTOR

B352

B355

1 2 3 4
5 6 7 8

1

*

: TERMINAL No. RANDOM ARRANGEMENT
  AMONG 1,2,5, AND 6

2

*

: TERMINAL No. RANDOM ARRANGEMENT
  AMONG 3,4,7, AND 8

No.12

2

*

2

*

1

*

1

*

4AT(diag)-132

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Diagnostic Procedure without Diagnostic Trouble Code (DTC)

• RHD model

3

4

21

22

AT-03171

1

7

i77

i10

i84

A:

B280

B:

2

8

A26

A27

B20

B30

3

12

8

B352

2

4

B53

TCM

B54

i10

i77

i84

B280

B352

B53

B54

2

1

3 4

6 7 8 9 10

22

21

20

19

18

17

16

15

14

13

12

11

5

12

11

10

9

8

7

6

5

4

3

2

1

10

9

8

7

6

5

4

3

2

1

20

19

18

17

16

15

14

13

12

11

8

7

6

5

4

3

2

1

22 23

21

20

19

16

15

14

13

12

11

10

9

34 35

33

32

17
30

18
31

29

28

27

26

25

24

8

7

6

5

4

3

2

1

22

23

21

20

19

16

15

14

13

12

11

10

9

17

30

18

29

28

27

26

25

24

8

3

4

5

6

7

2

1

18 19 20

17

16

15

14

13

12

11

10

9

24

23

22

21

MAIN SBF

SBF-6

E

B

A

TTER

Y

IGNITION
SWITCH

JOINT
CONNECTOR

JOINT
CONNECTOR

JOINT
CONNECTOR

BODY INTEGRATED MODULE

COMBINATION
METER

SPORT
SHIFT
BUZZER

A:

B:

2

1

3 4

8

7

6

5

1

*

: TERMINAL No. RANDOM ARRANGEMENT
  AMONG 8,18, AND 19

2

*

 : TERMINAL No. RANDOM ARRANGEMENT
   AMONG 9,10, AND 20

No.12

2

*

2

*

1

*

1

*

6