Subaru Legacy IV (2008 year). Manual - part 513

EN(H6DO)(diag)-25

Engine Control Module (ECM) I/O Signal

ENGINE (DIAGNOSTICS)

EN-06852

A32

B6

B11

B10

B9

B8

B1

B35

B7

B26

B34

B18

B32

C3

B15

B4

C5

C4

C2

A15

A16

A25

A24

A14

A13

D24

D25

D30

D31

D16

D17

D14

D15

A31

8

4

5

9

KNOCK SENSOR 

No. 2

10

3

7

12

2

FUEL TANK 
PRESSURE

SENSOR

MASS AIR

FLOW & 

  INTAKE 

AIR

TEMPERATURE 

SENSOR

FRONT 

OXYGEN 

(A/F)

SENSOR LH

FRONT 

OXYGEN 

(A/F)

SENSOR RH

REAR

OXYGEN 
SENSOR

LH

REAR

OXYGEN 
SENSOR

RH

KNOCK SENSOR 

No. 1

VVL DIAGNOSIS 

OIL PRESSURE 

SWITCH LH

VVL DIAGNOSIS 

OIL PRESSURE 

SWITCH RH

OIL FLOW 
CONTROL 

SOLENOID VALVE LH

OIL FLOW 
CONTROL 

SOLENOID VALVE RH

OIL SWITCHING 

SOLENOID VALVE LH

OIL SWITCHING 

SOLENOID VALVE RH

CRANKSHAFT

POSITION SENSOR

EN(H6DO)(diag)-26

Engine Control Module (ECM) I/O Signal

ENGINE (DIAGNOSTICS)

EN-06853

C24

C33

C9

D7

B14

C26

B28

B12

B24

C35

C18

C29

C27

C34

B20

ENGINE GROUND

A/C PRESSURE SWITCH

AUTO A/C CONTROL MODULE

BODY INTEGRATED UNIT 

(IMMOBILIZER)

BODY INTEGRATED UNIT 

(CAN COMMUNICATION)

RADIATOR FAN
CONTROL UNIT

A/C RELAY

A/C LOCK SENSOR

MAIN FAN RELAY

CRUISE CONTROL SWITCH

BRAKE SWITCH

STOP LIGHT SWITCH

11

12

A5

D3

A3

D2

D1

BLOWER FAN RELAY

MANUAL 
A/C MODEL

B16

AUTO 
A/C MODEL

EN(H6DO)(diag)-27

Engine Condition Data

ENGINE (DIAGNOSTICS)

6. Engine Condition Data

A: ELECTRICAL SPECIFICATION

Measuring condition:
• After engine is warmed up.
• Select lever: “P” range or “N” range
• Turn the A/C off.
• Turn all the accessory switches to OFF.

Contents

Specification

Engine Load

17.9 — 38.8(%): Idling

16.6 — 33.7(%): 2,500 rpm racing

EN(H6DO)(diag)-28

Data Link Connector

ENGINE (DIAGNOSTICS)

7. Data Link Connector

A: NOTE

This connector is used for Subaru Select Monitor.

CAUTION:
Do not connect any scan tools except Subaru Select Monitor or general scan tool because the circuit
for Subaru Select Monitor may be damaged.

1

2

3

4

5

7

6

8

9 10 11 12 13

15

14

16

EN-04893

Terminal No.

Contents

Terminal No.

Contents

1

Blank

9

Blank

2

Blank

10

Blank

3

Blank

11

Blank

4

Ground

12

Blank

5

Ground

13

Blank

6

CAN communication (+)

14

CAN communication (–)

7

Subaru Select Monitor signal

15

Blank

8

Blank

16

Power supply