Subaru Legacy IV (2008 year). Service manual — part 1219

WI-128

Headlight System

WIRING SYSTEM

21.Headlight System

A: WIRING DIAGRAM

WI-22115

MB-17

M/B FUSE NO. 7

RB

RG

RB

RG

RB

MB-16

M/B FUSE NO. 6

MB-15

M/B FUSE NO. 6

MB-18

HEADLIGHT RELAY

(IG)

Br

8

R

16

15

22

23

14

F109

B360

RB

27

RB

RB

B3

i1

B36

GR

B4

i11

B:

HI

LO

YL

1

R

YL

R

2

3

3

HI

LO

YW

1

RW

YW

RW

2

F58

HEAD-
LIGHT
LH

F59

HEAD-
LIGHT
RH

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

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

H/L-01

H/L-01

GR

7

GR

B36

i1

B360

1 2 3

4 5 6 7

8 9 10 11 12 13 14 15 16

F59

F58

1

3

2

GR

A4

B96

B:

B242

A:

H/L-02

A

1 2 3 4
6 7 8 9

5

10

B242

A:

B5

LY

LY

1

4

7

2

3

5 6

8

B96

B:

1 2 3

4 5 6

7 8 9 10 11 12 13 14

i11

B:

A3

LB

LB

4

LY

3

B370

LB

16

B281

C:

R

A5

R

B3

B370

1 2 3 4

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:

: NORMAL METER

: METER WITH MID

NM

NM

MM

MM

TO POWER SUPPLY CIRCUIT

BODY

INTEGRATED

UNIT

DIODE
(HEADLIGHT)

COMBINATION
METER

HI-BEAM

INDICA

T

O

R

THROUGH
JOINT
CONNECTOR

DAYTIME RUNNING LIGHT CONTROL MODULE

(GREEN)

(GRAY)

(GRAY)

(GRAY)

(BROWN)

(BLACK)

WI-129

Headlight System

WIRING SYSTEM

WI-16203

TO POWER SUPPLY CIRCUIT

LOW BEAM
RELAY

B225

B225

DIODE
(FOG LIGHT)

FRONT
FOG LIGHT
SWITCH

B85

B71

B71

DAYTIME RUNNING LIGHT CONTROL MODULE

H/L-02

H/L-02

H/L-03

B

H/L-03

D

H/L-03

C

H/L-03

E

GL

RL

A1

OrW

B8

OrW

B2

GL

B1

A2

LW

RW

RW

WR

A6

GL

RL

9

LW

11

1

2

11

10

ON

OFF

10

L

12

VL

R

E

F

. TO

FOG LIGHT SYSTEM

[FOG-01]

B242

A:

1 2 3 4
6 7 8 9

5

10

B71

2

3

4 5 6

7

1

8

9

10

11 12 13 14 15

16

17

H/L-01

A

B242

A:

B96

B:

Br

25

GL

27

26

B

28

OrW

1

4

7

2

3

5 6

8

B96

B:

(BLACK)

B85

1 2

(BLACK)

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

RELAY BLOCK

(BLACK)

FRONT
FOG LIGHT
RELAY

FB-35

F/B FUSE NO. 18

(IG)

FB-9

F/B FUSE NO. 29

(B)

WI-130

Headlight System

WIRING SYSTEM

WI-20998

H/L-03

H/L-03

MAIN FUSE BOX (M/B)

B370

F26

H/L-02

E

H/L-02

D

H/L-02

B

H/L-02

C

8

17

16

B4

Gr

B7

WR

A10

B

WB

Gr

B11

B71

2

3

4 5 6

7

1

8

9

10

11 12 13 14 15

16

17

B404

B71

B71

WB

BW

Gr

2

1

BW

1

A7

F37

A:

B

7

LW

OrW

RW

13

OrW

REF. TO GND

[GND-01 02]

UP

HU HF HL

E

LOW

PASS

OFF

1

2

HC TC EC

F26

B143

B:

1 2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20

F37

A:

1 2 3 4

5 6 7 8 9

10 11 12 13 14

15 16 17 18 19 20

B143

B:

B96

B:

B242

A:

1

4

7

2

3

5 6

8

B96

B:

B242

A:

1 2 3 4
6 7 8 9

5

10

B

REF. TO STARTER SYSTEM
[ST(N4)-01]
[ST(T6)-01]

B14

WR

1 2 3

B370

1 2 3 4

GENERATOR

DAYTIME RUNNING LIGHT
CONTROL MODULE

DIODE

(ENGINE STATUS)

BATTERY

STARTER MOTOR

PARKING
BRAKE
SWITCH

LIGHTING
SWITCH

DIMMER &
PASSING
SWITCH

(GREEN)

(BROWN)

(BLACK)

WI-131

Front Fog Light System

WIRING SYSTEM

22.Front Fog Light System

A: WIRING DIAGRAM

WI-22116

RL

FB-9

F/B FUSE NO. 29

(B)

RL

9

LW

11

L

10

VL

12

B225

VL

11

B

16

L

2

WL

7

W

6

WL

1

B

2

W

1

2

F21

FRONT
FOG
LIGHT LH

F6

FRONT
FOG
LIGHT RH

B360

F109

B71

ON

OFF

FOG-01

FOG-01

REF. TO GND

[GND-02]

B

REF. TO GND

[GND-01]

B

B71

2

3

4 5 6

7

1

8

9

10

11 12 13 14 15

16

17

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

B96

LW

B1

L

C17

A:

B:

B:

C:

A26

V

P

A27

i84

B281

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:

B96

1

4

7

2

3

5 6

8

B360

1 2 3

4 5 6 7

8 9 10 11 12 13 14 15 16

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

B225

1

2

9

10

11 12

13
14

15 16

17
18

19 20

21
22

23 24

25
26

27 28

29
30

31 32

33
34

35 36

37
38

39 40

3

4

5

6

7

8

F21

F6

B

1 2

FB-36

F/B FUSE NO. 5

(IG)

BrW

BrW

A3

FRONT
FOG
INDICATOR
LIGHT

A:

i10

V

P

A21

A22

I/F

REF

. T

O

CAN

COMMUNICA

TION

SYSTEM [CAN-01]

REF

. T

O

CAN

COMMUNICA

TION

SYSTEM [CAN-01]

A:

i10

3 4 5

6 7 8 9

19 20 21

14 15 16

17 18

1 2

10

12

11

13

22

MM

MM

NM

: NORMAL METER

: METER WITH MID

NM

MM

BY

BY

A11

A12

REF. TO GND

[GND-06]

BY

TO POWER SUPPLY CIRCUIT

COMBINATION

METER

MICRO COMPUTER

CAN TRANSCEIVER

& RECEIVER

FRONT
FOG
LIGHT
SWITCH

THROUGH

JOINT

CONNECTOR

(BROWN)

(BROWN)

(BLACK)

(GRAY)

(GREEN)

(GRAY)

RELAY BLOCK

(BLACK)

FRONT
FOG
LIGHT
RELAY

DAYTIME

RUNNING LIGHT

CONTROL MODULE

BODY

INTEGRATED

UNIT

DRIVE CIRCUIT