Subaru Legacy (2005 year). Manual - part 1064

WI-49

WIRING SYSTEM

Ground Circuit

13.RHD ENGINE GROUND (3.0 L MODEL)

GND(R)-11

GND(R)-11

WI-06889

BL

D2

YA

4

YA

5

Y5

4

BW

LR

37

LR

BL

36

BL

BW

35

BW

BP

34

BP

Y

B21

E2

E46

2

LR

D3

BP

D7

BW

B4

B

B12

BL

D1

BW

B1

BW

E34

2

BR

E32

2

BR

E31

2

BL

B138

*

BL

B79

8

E57

4

6

Or

W

E10

1

2

W

B

E14

2

W

E48

2

B

GE

Y

B

BL

BW

BP

LR

LR

BR

BR

BW

BW

BW

BW

BR

RA

7

RA

6

B1

2

B

R5

2

R

R

BW

E45

2

BW

E33

2

3 4

5 6

1 2

7 8

(BLACK)

(BLACK)

(GRAY)

(BLACK)

(GREEN)

(LIGHT GRAY)

(GREEN)

(BLACK)

1 2

B138

D:

A:

B:

B137

8

5

6

10 11 12 13 14 15

7

2

1

3

4

16

30

19 20

22
28 29

9

17

18

25

21

23

24

31

26 27

B134

8

5

6

10 11 12 13 14 15

7

2

1

3

4

16

30

19 20

22

28 29

9

17

18

25

21

23 24

32

31

26 27
33 34

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

E45

E48

E10

E14

B21

1 2 3 4 5 6 7 8 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

42

43

36

37

38

39

48

49

50

51

52

53

54

40

41

44

45

46

47

1
2
3

E57

1 2 3 4 5 6

B79

1

2 3

4 5

6 7

8

9 10

11 12

13 14

(BLACK)

E33

E31

E32

(BLACK)

E34

E46

IGNITION 

COIL NO. 1

IGNITION 

COIL NO. 2

IGNITION 

COIL NO. 4

IGNITION 

COIL NO. 6

JOINT

CONNECTOR

CHECK

CONNECTOR

CRANKSHAFT

POSITION 

SENSOR

KNOCK

SENSOR 1

REF. TO ENGINE ELECTRICAL 

SYSTEM [E/G(RH6)-07•08]

IGNITION 

COIL NO. 3

IGNITION 

COIL NO. 5

ELECTRONIC

THROTTLE

CONTROL

KNOCK

SENSOR 2

B135

B:

B134

A:

B137

D:

ECM (3.0L MODEL)

*

: TERMINAL NO. 
  RANDOM ARRANGEMENT

HR

HR

HR

WI-50

WIRING SYSTEM

Engine Electrical System

5. Engine Electrical System

A: WIRING DIAGRAM

1. LHD 2.0 L MODEL AND 2.5 L KS MODEL

WI-06890

6

7

8

9

1

2

3

4

5

B23

B13

ECM

D9
B14
C3

A3
A4
A12
A13

C4

B2
B3

C35

C34

C33

BATTERY

M/B FUSE NO. 11

SBF-7

SBF

SBF-5

SBF-8

SBF-6

IG 2 
RELAY

F/B FUSE NO. 7

ELECTRONIC
THROTTLE
CONTROL 
RELAY

IGNITION SWITCH

OFF

+B

ACC

IG1

IG2

ACC ON ST

ST

STARTER MOTOR

STARTER RELAY

INHIBITOR 
SWITCH

D

N

R

P

MAIN 
RELAY

FUEL 
PUMP

FUEL 
PUMP 
CON-
DENSER

EGR VALVE

A17

FRONT OXYGEN (A/F) SENSOR

A1
C19

REAR OXYGEN SENSOR

FUEL INJECTOR NO. 1

A8

PURGE CONTROL SOLENOID VALVE

A27

A34

A33

SUB FAN RELAY

A/C PRESSURE SWITCH

AUTO A/C CONTROL MODULE

A/C RELAY

BODY INTEGRATED MODULE (CAN COMMUNICATION)

MAIN FAN RELAY 1

A10

  BLOWER FAN RELAY

B11

A9
C8
B20
B35
C13
C14

M/B FUSE NO. 13

F/B FUSE NO. 4

F/B FUSE NO. 5

F/B FUSE NO. 12

F/B FUSE NO. 21

FUEL PUMP 
RELAY

FUEL INJECTOR NO. 2

FUEL INJECTOR NO. 3

FUEL INJECTOR NO. 4

1

*

BODY INTEGRATED MODULE (IMMOBILIZER)

B25
B33
C21
D14

D12
D13
D22

D6
D7

B12

1

*

STOP LIGHT & BRAKE SWITCH (CRUISE CONTROL)

CLUTCH SWITCH (MT-CRUISE CONTROL)

CRUISE CONTROL SWITCH

: B17

: WITH IMMOBILIZER

: A18

WITHOUT IMMOBILIZER

MT

AT

AT

AT

WI-51

WIRING SYSTEM

Engine Electrical System

WI-06891

C6

B16

B8

A7

D1

CAMSHAFT POSITION SENSOR

C25

C32

IGNITION COIL &

 IGNITOR ASSY

COMBINATION METER

TACHO-

METER

SPEED-

OMETER

ENGINE 

COOLANT

 TEMPERATURE 

GAUGE

C7

B32

A23

A24

B15

B27

B24

D30
D29

D25
D31

C18

C22

C28

B12

1

2

3

4

5

6

7

8

POWER 
STEERING 
OIL 
PRESSURE 
SWITCH

MAIN 
FUSE BOX (M/B)

GENERATOR

TEST MODE
CONNECTOR

TEST MODE 
SUB CONNECTOR

JOINT CONNECTOR B

ACCELERATOR 

PEDAL POSITION 

SENSOR

JOINT 
CONNECTOR A

MICRO COMPUTER

MALFUNCTION 
INDICATOR LIGHT

OIL PRESSURE 
WARNING LIGHT

I/F

CAN TRANSCEIVER & 

RECEIVER

I/F

POWER CIRCUIT

GROUND 
JOINT CONNECTOR

I/F

ABS CONTROL MODULE

BODY INTEGRATED 
MODULE 
(CAN COMMUNICATION)

OIL PRESSURE 
SWITCH

ENGINE COOLANT TEMPERATURE SENSOR

CRANKSHAFT POSITION SENSOR

KNOCK SENSOR

TCM

JOINT 
CONNECTOR C

D23

D4

D24

D5

C23
C12

C24

MANIFOLD ABSOLUTE PRESSURE SENSOR

ENGINE GROUND

ECM

INTAKE AIR TEMPERATURE SENSOR

C1
C2
B5
B6

MT

MT

MT

MT

D19

MT

AT

AT

B29

C30

C20

D2
D3

C17

ELECTRONIC THROTTLE CONTROL

AT

D18

C5

A2

3

*

2

*

NEUTRAL POSITION 
SWITCH (MT)

: C26
: C27

: C27
: C26

WITH IMMOBILIZER
WITHOUT IMMOBILIZER

WITH IMMOBILIZER

: 

:

WITHOUT IMMOBILIZER

3

*

2

*

CHECK CONNECTOR

DATA LINK CONNECTOR

9

JOINT CONNECTOR (AT)

WI-52

WIRING SYSTEM

Engine Electrical System

E/G(LHU)-01

E/G(LHU)-01

WI-06892

A:

B:

C:

D:

(BLACK)

R142

1
2

1

R58

1 2
3 4
5 6

B97

B362

1 2

7 8

3
4

5
6

B137

8

5

6

10 11 12 13 14 15

7

2

1

3

4

16

30

19 20

22
28 29

9

17

18

25

21

23

24

31

26 27

B134

8

5

6

10 11 12 13 14 15

7

2

1

3

4

16

30

19 20

22

28 29

9

17

18

25

21

23 24

32

31

26 27
33 34

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

1 2 3

4 5 6 7

8 9 10 11 12 13 14 15 16

B362

GR

4

3

Lg

RB

2

WG

1

BR

Lg

GR

B13

B16

A: B134

B135

B:

B136

C:

B137

D:

WG

BR

R1

B97

RB

RB

16

ECM

TO POWER SUPPLY CIRCUIT

FUEL 
PUMP 
RELAY

MB-25

M/B FUSE NO. 11

(B)

GR

FB-38

F/B FUSE NO. 12

(IG)

ALT-1 

GENERATOR

R58

B6

RB

5

FUEL 
PUMP

R142

B2

RB

1

FUEL 
PUMP 
CONDENSER

B

REF. TO RADIATOR FAN 

SYSTEM [R/F(H4)-01]

WR

A9

LR

A10

REF. TO AIR CONDITIONING SYSTEM

[A-A/C(L)-01•02]

[M-A/C(L)-01•02•03]

PW

B20

YB

C8

LOr

B35

REF. TO GROUND

CIRCUIT 

[GND(L)-04]

E/G(LHU)-09

A

REF. TO CRUISE CONTROL 

SYSTEM [C/C4(L)-01]

BrR

D13

Y

D12

D22

W

D14

REF. TO IMMOBILIZER 

SYSTEM [IMB(L)-01]

BR

B33

WL

B25

YL

C21

1

*

1

*

: B17
: A18

: GY
: RY

WITH IMMOBILIZER
WITHOUT IMMOBILIZER

MT
AT

:

:

2

*

2

*

(BLACK)

HR

HR

HR

HR