Subaru Legacy IV (2008 year). Manual — part 105

EN(H4SO)(diag)-23

Engine Control Module (ECM) I/O Signal

ENGINE (DIAGNOSTICS)

EN-05694

D18

D19

C11

C22

D26

D6

C1

C21

C23

B2

D29

A8

A9

A10

A20

A7

I/F

I/F

I/F

ABS

4

SBF No. 7

SBF No. 5

5

MAIN

RELAY

ELECTRONIC
THROTTLE
CONTROL
RELAY

RELAY
HOLDER

A/F &
OXYGEN
SENSOR
RELAY

PURGE CONTROL
SOLENOID VALVE

EGR VALVE

IGNITION COIL

& IGNITOR

ASSY

F/B FUSE No.5

F/B FUSE No.7

COMBINATION METER

MALFUNCTION
INDICATOR LIGHT

MICR

O COMPUTER

BOD

Y INTEGRA

TED

UNIT (CAN

COMMUNICA

TION)

ABS CONTR

OL MODULE

JOINT GROUND
CONNECTOR

CAN

TRANSCEIVER

& RECEIVER

POWER
SUPPLY CIRCUIT

TACHO-
METER

ENGINE

COOLANT

TEMPER-

ATURE

GAUGE

SPEEDO-
METER

EN(H4SO)(diag)-24

Engine Control Module (ECM) I/O Signal

ENGINE (DIAGNOSTICS)

EN-05036

A18

D11

D10

D9

D8

A23

A34

A29

A6

A19

D4

A28

D5

5

6

10

14

5

3

B17

C28

C17

7

FUEL INJECTOR

No. 1

FUEL INJECTOR

No. 2

FUEL INJECTOR

No. 4

FUEL INJECTOR

No. 3

DRAIN VALVE

PRESSURE CONTROL

SOLENOID VALVE

ELECTRONIC

THROTTLE

CONTROL

MANIFOLD

ABSOLUTE
PRESSURE

SENSOR

ENGINE

COOLANT

TEMPERATURE

SENSOR

OIL

TEMPERATURE

SENSOR

FUEL

TEMPERATURE

SENSOR

EN(H4SO)(diag)-25

Engine Control Module (ECM) I/O Signal

ENGINE (DIAGNOSTICS)

EN-05695

A32

B9

B8

B1

B35

B26

B34

B18

C3

B4

C4

C2

A22

A12

A15

A25

A24

A14

A13

D25

D24

D31

D30

A31

4

10

5

9

7

2

11

8

12

13

MASS AIR

FLOW &

INTAKE AIR

TEMPERATURE

SENSOR

FRONT

OXYGEN

(A/F)

SENSOR

RH

REAR

OXYGEN

SENSOR

LH

VVL DIAGNOSIS

OIL PRESSURE

SWITCH LH

VVL DIAGNOSIS

OIL PRESSURE

SWITCH RH

OIL SWITCHING

SOLENOID VALVE LH

OIL SWITCHING

SOLENOID VALVE RH

CRANKSHAFT

POSITION SENSOR

CAMSHAFT

POSITION SENSOR

KNOCK SENSOR

EN(H4SO)(diag)-26

Engine Control Module (ECM) I/O Signal

ENGINE (DIAGNOSTICS)

EN-05696

C24

C33

C9

D7

D3

D1

D2

A5

C15

B28

B12

B24

C35

C18

C29

C27

B20

8

13

12

6

C34

C26

2 11

MT

B11

STOP LIGHT SWITCH

BRAKE SWITCH

CRUISE CONTROL SWITCH

BODY INTEGRATED UNIT

(IMMOBILIZER)

BODY INTEGRATED UNIT
(CAN COMMUNICATION)

SUB FAN RELAY

MAIN FAN RELAY

BLOWER FAN RELAY

ENGINE GROUND

A/C RELAY

A/C PRESSURE SWITCH

AUTO A/C CONTROL MODULE