Subaru Legacy IV (2008 year). Manual - part 1202

WI-60

Engine Electrical System

WIRING SYSTEM

WI-20980

E/G(TB)-13

E/G(TB)-13

B137

D:

B134

A:

B21

E2

B

D6

WL

D21

WG

D20

GY

D19

RY

D18

B

41

LW

ECM

E31

3

1

2

9

RY

LY

49

GR

BrW

LW

IGNITION

COIL No. 1

E32

3

1

2

20

GY

GY

LW

IGNITION

COIL No. 2

E33

3

1

2

31

WG

BrY

LW

IGNITION

COIL No. 3

E34

3

1

2

10

WL

Y

LW

IGNITION

COIL No. 4

E80

LEAK DIAGNOSIS
CONNECTOR

B

D26

E/G(TB)-01

A

A: 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

(BLACK)

E33

E31

(BLACK)

E34

E32

1
2
3

YL

A30

YL

45

L

Y

BrY

GY

LY

BrW

2

1

LW

L

BrW

BrW

BrW

(DARK GRAY)

E80

1 2

D: 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

(BLACK)

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

WI-61

Engine Electrical System

WIRING SYSTEM

WI-20981

E/G(TB)-14

E/G(TB)-14

B137

D:

B136

C:

B134

A:

B55

B:

B21

E2

YB

D7

YB

40

BL

C6

BR

BR

D1

BR

34

B

LR

D3

LR

37

B

BL

A5

BL

36

B

BW

D2

BW

35

B

ECM

BR

B

B

GE-1

B

B

B

BR

B

GB B11

TCM

E/G(TB)-05

K

E/G(TB)-06

Q

E/G(TB)-08

V

E/G(TB)-08

Y

E/G(TB)-09

b

E/G(TB)-06

O

D: 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

A: 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

BL

SB

SB

BL

BL

B122

JOINT
CONNECTOR

B122

3 4

5 6

1 2

7 8

*

1

*

1

BL

*

1

*

1

*

1

*

1

E/G(TB)-05

J

E/G(TB)-04

F

BL

*

1

AT

LgY

(GRAY)

B128

1 2
3 4

BL

C15

MT

MT

REF. TO
CRUISE CONTROL
SYSTEM [C/C(T6)-03]

: TERMINAL No. OPTIONAL
  ARRANGEMENT

*

1

C: 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

3

1

B

LgY

2

B

1

T12

T2

T2

T12

T9

B128

B128

T9

NEUTRAL POSITION

SWITCH

(BROWN)

T12

1 2

BL

GB

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

(BLACK)

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

WI-62

Engine Electrical System

WIRING SYSTEM

3. 3.0 L MODEL

WI-20982

6

7

8

9

1

2

3

4

5

C20

C32

B19

C31

B5

B33

C10

ECM

C1
C21
C23

B2

D29

A7

A20

A10

A9

A8

BATTERY

M/B FUSE No.

 11

SBF-7

SBF

SBF-5

SBF-8

SBF-6

STARTER
RELAY

INHIBITOR RELAY

IG 2
RELAY

IGNITION SWITCH

OFF

B

ACC

IG1

IG2

ACC ON ST

ST

MAIN
RELAY

ELECTRONIC
THROTTLE
CONTROL
RELAY

FUEL
PUMP
RELAY

FUEL PUMP

CONTROL UNIT

MAIN
RELAY 2

FUSE
(RELAY
 BLOCK)

A21

A11
A22

B34

B35

B7

B6

B11

B10

B9

B8

C2

B26

MASS AIR FLOW &
INTAKE AIR TEMPERATURE SENSOR

EGR VALVE

CAMSHAFT POSITION SENSOR LH

PURGE CONTROL SOLENOID VALVE

C3

C5
B1

B15

B4

C4

C12

MAIN FUSE BOX (M/B)

GENERATOR

B18

TCM

D8

FUEL INJECTOR No. 1

D9

D10

D11

FUEL INJECTOR No. 2

FUEL INJECTOR No. 3

C17

DRAIN VALVE

C28

PRESSURE CONTROL SOLENOID VALVE

FUEL INJECTOR No. 4

D12

D13

FUEL INJECTOR No. 5

FUEL INJECTOR No. 6

CAMSHAFT POSITION SENSOR RH

FRONT OXYGEN (A/F) SENSOR RH

REAR OXYGEN SENSOR RH

REAR OXYGEN SENSOR LH

FRONT OXYGEN (A/F) SENSOR LH

RADIATOR FAN CONTROL UNIT

AUTO A/C CONTROL MODULE

A/C LOCK SENSOR (AUTO A/C)

A/C RELAY

FUEL TEMPERATURE SENSOR

BODY INTEGRATED UNIT (CAN COMMUNICATION)

BODY INTEGRATED UNIT (IMMOBILIZER)

C18
C29
C24
C33
C9

C27

B20

B28

B12
B24

C26
C34

C35
B17

CRUISE CONTROL SWITCH

PRESSURE SWITCH

MAIN FAN RELAY 1

STOP LIGHT & BRAKE SWITCH

(CRUISE CONTROL)

B14

FUEL TANK PRESSURE SENSOR

B32

B22

M/B FUSE No.

 13

F/B FUSE No.

 7

F/B FUSE No.

 4

F/B FUSE No.

 5

F/B FUSE No. 12

F/B FUSE No.

 21

JOINT

CONNECTOR

FUEL PUMP

ASSY

(FUEL PUMP)

10

STARTER MOTOR

BLOWER SWITCH (MANUAL A/C)

B16

WI-63

Engine Electrical System

WIRING SYSTEM

WI-22092

A3
D2

D22
D23

C16

C25

D18
D19
D20
D21

C11
C22
A33
B27

C6

D6

D26

B23
B31
B21
B29

1

2

3

4

5

6

7

8

9

ACCELERATOR

PEDAL

POSITION

SENSOR

JOINT CONNECTOR

IGNITION COIL No. 1

CRANKSHAFT POSITION SENSOR

A13
A14

ENGINE GROUND

ECM

A18
A28

D4
D5

A19

A6

A29
A34

B30
D15
D14

D17
D16
D31
D30

ELECTRONIC THROTTLE  CONTROL

A24
A15

A25

A16

A32

D1

MANIFOLD ABSOLUTE PRESSURE SENSOR

ENGINE COOLANT TEMPERATURE SENSOR

D25
D24

KNOCK SENSOR 2

D7

A5

OIL SWITCHING SOLENOID VALVE RH

DATA LINK CONNECTOR

DELIVERY (TEST)

MODE CONNECTOR

OIL TEMPERATURE  SENSOR

A23

A31

D3

VVL DIAGNOSIS OIL PRESSURE SWITCH LH

VVL DIAGNOSIS OIL PRESSURE SWITCH RH

KNOCK SENSOR 1

OIL SWITCHING SOLENOID VALVE LH

OIL FLOW CONTROL SOLENOID VALVE RH

OIL FLOW CONTROL SOLENOID VALVE LH

IGNITION COIL No. 2

IGNITION COIL No. 3

IGNITION COIL No. 4

IGNITION COIL No. 5

IGNITION COIL No. 6

VDC (CAN 

COMMUNICATION)

10

DRIVE

CIRCUIT

LCD

FULL DO

T

COMBINATION METER

MALFUNCTION

INDICATOR LIGHT

OIL PRESSURE

WARNING LIGHT

POWER

SUPPLY

CIRCUIT

I/F

I/F

BODY
INTEGRATED
UNIT
(CAN
COMMUNICATION)

SI-DRIVE

SELECTOR

(CONSOLE)

CAN

TRANSCEIVER

& RECEIVER

TACHO-

METER

ENGINE

COOLANT

TEMPERATURE

GAUGE

DRIVE CIRCUIT

S# PROHIBITION

INDICATOR

I/F

MICR

O COMPUTER

SI-DRIVE

SWITCH

(STEERING/S#)

I/F

OIL

PRESSURE

SWITCH

POWER

STEERING

OIL

PRESSURE

SWITCH