Subaru Legacy (2005 year). Service manual — part 1099

WI-189

WIRING SYSTEM

Air Conditioning System

10.Air Conditioning System

A: WIRING DIAGRAM

1. MANUAL A/C LHD MODEL

FB-46

F/B FUSE NO. 22

(IG)

TO POWER SUPPLY CIRCUIT

LOr B35

YB

C8

GOr

A:

B:

ECM

F37

B143

C:

F35

B: B135

C: B136

B

B

B

PRESSURE
SWITCH

F24

MAGNET
CLUTCH

i17

A/C CONTROL PANEL

Y

16

(BLUE)

(GRAY)

(GRAY)

(GRAY)

(GRAY)

C:

C:

A:

B:

M-A/C(L)-02

A

Y1

B3

B10

2

GOr

YB

4

A/C
RELAY

LG

B

B

29

Y

LG

Y

Y

31

F27

28

GOr

LOr

30

THROUGH
JOINT CONNECTOR

LOr

9

B361

F108

LOr

14

MAIN
FUSE BOX (M/B)

LG

A4

C3

C7

B13

THROUGH
JOINT CONNECTOR

GOr

9

B360

F109

GOr

1

B

LG

2

1

A:

B:

F37

B143

C:

F35

MAIN
FUSE BOX (M/B)

B20

C12

A13

B10

2

3

1

4

F35

1 2

3 4 5

6 7 8 9 10 11 12

B361

1
7

2 3

4 5 6

8 9 10 11 12 13 14

B360

1 2 3

4 5 6 7

8 9 10 11 12 13 14 15 16

i17

1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16

F37

1 2 3 4

5 6 7 8 9

10 11 12 13 14

15 16 17 18 19 20

B143

B38

1 2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20

F109

3 4

1 2

8 9 10 11

12 13 14 15 16 17 18 19 20 21 22 23 24

5

6 7

F108

1
9

2 3

8

10

4

11 12 13 14 15 16

5 6 7

17 18

F27

13
14
15

16 17

27

24 25

26

20 21

22
23

29

30
31

28

8 9

10
11
12

1
2

5

3

4

7

6

19

18

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

Y

Y

10

B38

i3

B:

B: B135

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

M-A/C(L)-01

M-A/C(L)-01

REF. TO GROUND

CIRCUIT

[GND(L)-02] [GND(L)-01]

REF. TO GROUND

CIRCUIT

[GND(L)-03]

F24

1 2

B

WI-07539

HR

HR

WI-190

WIRING SYSTEM

Air Conditioning System

(GREEN)

(BLACK)

(GRAY)

GOr

i17

B367

A/C CONTROL PANEL

6

PG

7

14

VY

BL

TO POWER SUPPLY CIRCUIT

FB-45

F/B FUSE NO. 22

(IG)

GL

FB-8

F/B FUSE NO. 27 (B)
F/B FUSE NO. 28 (B)

BLOWER
FAN
RELAY

VY

GOr

LgW

BL

24

BR

22

B225

BLOWER
FAN
MOTOR

BLOWER
FAN
SWITCH

B87

FRESH/RECIRC
ACTUATOR

B91

23

GOr

GL

21

VY

VY

12

BY

1

B1

BR

2

3

1

YR

BODY

INTEGRATED MODULE

HEATER COCK SOLENOID

(FOR EC, K4 MODEL)

B: B280

B15

7

EC

BY

LY

RY

BLOWER
FAN
RESISTOR

B86

i100

i99

2

GY

3

1

4

B

B

B

B

GROUND
JOINT CONNECTOR

B

B

1

2

9

GOr

GOr

YR

M-A/C(L)-01

A

B87

1 2

B86

B91

1 2 3 4 5 6 7

i17

1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16

B38

B225

13
14

15 16

17

27

24

25
26

20

21
22

23

29
30

31

28

32

35

33
34

37
38

39

36

40

8

9

10

11 12

1

2

5

3

4

7

6

19

18

PG

LgW

12

BL

BL

13

B38

i3

GY

GY

2

LY

LY

3

BY

BY

4

BrY

RY

1

B38

i3

1

RB

2

3

4

5

LOr

GOr

RB

L

MODE
ACTUATOR

B77

5

4

LB

3

LG

2

LW

1

B

LB

LG

LW

LB

LG

LW

LB

LG

LW

10

6

RB

RB

5

LOr

L

1

2

3

6

B37

i2

B36

i1

5

6

3

2

4

i15

1

2

OFF

3

4

i15

4

1 2 3

6

5

B37

3

2

1

8

7

6

5

4

B77

1 2 3 4
6 7 8 9

5

10

i99

i100

1 2 3 4 5 6
7 8 9 10 11 12

1 2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20

i1

5 6 7 8

2

1

9

4

3

10

24

22

23

25

27

26

28

11 12 13

14 15 16

17 18 19 20 21

M-A/C(L)-02

M-A/C(L)-02

REF. TO GROUND

CIRCUIT

[GND(L)-03]

REF. TO GROUND

CIRCUIT

[GND(L)-03]

1 2
3 4

EC : 2.0L EC, K4

MODEL

B367

1 2

5

4

6 7

8

2

1

9

3

10

22

23

11 12 13 14 15

24 25

26 27

16 17 18

28 29

19 20

21

30

B280

B:

B: B135

ECM

B11

VY

B: B135

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

WI-07540

2

*

2

*

1

*

1

*

: TERMINAL NO. RANDOM
ARRANGEMENT
AMONG NO. 1, 2, 3, 4, 5 AND 6

1

*

: TERMINAL NO. RANDOM
ARRANGEMENT
AMONG NO. 7, 8, 9, 10, 11 AND 12

2

*

HR

HR

HR

WI-191

WIRING SYSTEM

Air Conditioning System

(BLACK)

C:

A:

i17

A/C CONTROL PANEL

BR

Or

Sb

THROUGH
JOINT
CONNECTOR

AMBIENT SENSOR

B361

F108

10

11

14

BL

13

BR

BL

F78

2

1

B

B

Or

Sb

BODY INTEGRATED MODULE

REF. TO REAR DEFOGGER

SYSTEM [R/DEF(L)-01]

B281

i84

A:

C:

A28

C3

Sb

C10

F78

1 2

i100

i99

1 2 3 4 5 6
7 8 9 10 11 12

B361

1
7

2 3

4 5 6

8 9 10 11 12 13 14

F108

1
9

2 3

8

10

4

11 12 13 14 15 16

5 6 7

17 18

B38

1 2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20

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

i84

ECM

PW

B20

B135

B:

PW

Or

B

EVAPORATION
THERMO SWITCH

B88

5

3

4

i99

i100

B

B

B

B

GROUND
JOINT CONNECTOR

Or

Or

11

B38

i3

BW

RL

B

15

Or

8

12

Sb

V

10

11

13

B88

1 2 3 4 5

i17

1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16

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

M-A/C(L)-03

M-A/C(L)-03

REF. TO GROUND

CIRCUIT

[GND(L)-03]

REF. TO GROUND

CIRCUIT

[GND(L)-03]

REF. TO CLEARANCE LIGHT AND

ILLUMINATION LIGHT SYSTEM

[ILLUMI(L)-04]

B: B135

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

WI-07541

: TERMINAL NO. RANDOM
ARRANGEMENT
AMONG NO. 1, 2, 3, 4, 5 AND 6

1

*

: TERMINAL NO. RANDOM
ARRANGEMENT
AMONG NO. 7, 8, 9, 10, 11 AND 12

2

*

2

*

1

*

1

*

2

*

(GRAY)

HR

HR

HR

WI-192

WIRING SYSTEM

Air Conditioning System

2. AUTO A/C LHD MODEL

WI-07542

FB-46

F/B FUSE NO. 22

(IG)

TO POWER SUPPLY CIRCUIT

LOr

B35

YB

C8

GOr

ECM

B: B135

C: B136

B

B

B

PRESSURE
SWITCH

F24

MAGNET
CLUTCH

B282

A:

AUTO A/C CONTROL MODULE

A10

Y

GOr

A9

(BLUE)

C:

B:

C:

A:

B:

A:

A-A/C(L)-02

A

B33

C30

Y1

B

3

B10

2

GOr

YB

4

A/C
RELAY
HOLDER

LG

29

Y

31

F27

28

GOr

LOr

30

A:

B:

F37

B143

C:

F35

MAIN
FUSE BOX (M/B)

B20

C12

A13

B10

2

3

1

4

F35

1 2

3 4 5

6 7 8 9 10 11 12

B361

1
7

2 3

4 5 6

8 9 10 11 12 13 14

B282

1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16

F37

1 2 3 4

5 6 7 8 9

10 11 12 13 14

15 16 17 18 19 20

B143

1 2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20

F109

3 4

1 2

8 9 10 11

12 13 14 15 16 17 18 19 20 21 22 23 24

5

6 7

F108

1
9

2 3

8

10

4

11 12 13 14 15 16

5 6 7

17 18

F27

13
14
15

16 17

27

24 25

26

20 21

22
23

29

30
31

28

8 9

10
11
12

1
2

5

3

4

7

6

19

18

A:

B:

F37

B143

C:

F35

MAIN
FUSE BOX
(M/B)

A4

LG

1

2

B

Y

B13

C3

C7

B135

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

LOr

14

LOr

9

THROUGH
JOINT
CONNECTOR

B361

F108

GOr

1

GOr

9

THROUGH
JOINT
CONNECTOR

B360

F109

(GRAY)

B360

1 2 3

4 5 6 7

8 9 10 11 12 13 14 15 16

A-A/C(L)-01

A-A/C(L)-01

REF. TO GROUND

CIRCUIT

[GND(L)-03]

REF. TO GROUND

CIRCUIT

[GND(L)-01]

REF. TO GROUND

CIRCUIT

[GND(L)-02]

F24

B367

1 2

B367

YR

HEATER COCK

SOLENOID

(EC, K4 MODEL)

B: B280

B15

EC

1

2

GOr

YR

BODY

INTEGRATED MODULE

EC : EC, K4 MODEL

5

4

6 7

8

2

1

9

3

10

22

23

11 12 13 14 15

24 25

26 27

16 17 18

28 29

19 20

21

30

B280

B:

2.5L EC, K4 & 3.0L MODEL

2.0L & 2.5L KS MODEL

(GRAY)

(GRAY)

(GRAY)

(BLACK)

H6

F24

1

2

H4 :

:

H4 : 4-CYLINDER ENGINE MODEL

H6 : 6-CYLINDER ENGINE MODEL

HR

HR

HR