The following pin diagram is provided as a support reference. Please contact your nearest Link dealer for specific pin information.

WRX V10 04-06 Pinout

 

2004 - 2006 ECU Function

Pin

ECU Pin

Function

Pin

ECU Pin

Function

A1

DI 4

Clutch Switch

C3

Injector 4

Injection

A2

nc

 

C4

Injector 3

Injection

A3

nc

 

C5

Injector 2

Injection

A4

nc

 

C6

Injector 1

Injection

A5

nc

 

C7

DI10

 

A6

Ground

 

C8

nc (Brake NO)

 

A7

nc

 

C9

DI 5

Brake Switch (NC)

A8

Aux 8

Tumble Valves Close

C10

DI 6

Cruise Cancel OR Resume

A9

Linked to A10

TGV wired in series

C11

DI 7

Cruise Set OR Cancel

A10

Linked to A9

C12

An Temp 3

Fuel Temperature

A11

Aux 7

Tumble Valves Open

C13

An Temp 2

IAT from MAF

A12

nc

 

C14

An Temp 1

ECT

A13

nc

 

C15

+5V Out

 

A14

Injector 5 (Aux)

Purge Solenoid

C16

+5V Out

 

A15

Injector 6 (Aux)

Cruise Light

C17

An Volt 10

APS (Main)

A16

nc (Cruise Set Light)

 

C18

An Volt 2

TPS (Main)

A17

Injector 8 (Aux)

CE Light

C19

nc

 

A18

+14V Out

AVCS Solenoid

C20

nc

 

A19

+14V Out

AVCS Solenoid

C21

nc

 

A20

nc

 

C22

An Volt 1

MAP

A21

nc

 

C23

An Volt 8

MAF Signal

A22

nc

 

C24

nc

 

A23

Aux 3

Tacho

C25

Knock 1

Knock

A24

nc

 

C26

An Volt 4

Left TGV Position

A25

Ground

 

C27

An Volt 5

Right TGV Position

A26

nc

 

C28

An Volt 9

APS (Sub)

A27

nc

 

C29

An Volt 3

TPS (Sub)

A28

Aux 2

Bank 1 (RH) AVCS Solenoid

C30

nc

 

A29

Aux 1

Bank 2 (LH) AVCS Solenoid

C31

Ground (AFM)

 

A30

nc

 

C32

Ground (AFM Shield)

 

A31

nc

 

C33

Ground (Knock Shield)

 

A32

Aux 5

Wastegate Solenoid

C34

Ground (APS)

 

A33

nc

 

C35

Ground (Signal)

 

A34

Ground (Signal)

 

 

 

D1

Ground (Signal)

 

B1

Ground

 

D2

Ground (Signal)

 

B2

Injector 7 (Aux)

Rear Oxy Heater

D3

Ground

 

B3

nc

 

D4

Aux 9

EThrottle Motor +

B4

Ground

 

D5

Aux 10

EThrottle Motor -

B5

+14V Main Relay

ECU Power

D6

+14V EThrottle

From EThrottle Relay

B6

+14V Main Relay

ECU Power

D7

Ground

 

B7

nc

 

D8

DI 8

Start Signal

B8

Trig 2

Bank 2 (LH) Cam Position

D9

DI 9

Neutral Signal

B9

DI 2

Bank 1 (RH) Cam Position

D10

An Volt 6

Power Steer Switch

B10

Trig 1

Trig 1 (Crank)

D11

nc

 

B11

nc

 

D12

nc

 

B12

Ground

 

D13

nc

 

B13

nc

 

D14

Ignition Switch (05-06)

Controls Main Relay (05-06)

B14

nc

 

D15

Ignition Switch (04)

Controls Main Relay (04)

B15

Ignition 4

Ignition

D16

DI3 (04) / Main Relay (05-06)

AC Request (04) / Ground when on (05-06)

B16

Ignition 3

Ignition

D17

Main Relay (04) / DI3 (05-06)

Ground when on (04) / AC Request (05-06)

B17

Ignition 2

Ignition

D18

nc

 

B18

Ignition 1

Ignition

D19

nc

 

B19

nc

 

D20

nc

 

B20

nc

 

D21

nc

 

B21

nc

 

D22

nc

 

B22

Ground (Cams)

 

D23

nc

 

B23

nc

 

D24

nc

 

B24

Ignition 5 (Aux)

AC Fan

D25

An Volt 7

Rear Oxy Signal

B25

Ignition 7 (Aux)

Engine Fan

D26

nc

 

B26

Aux 6 (04) / DI 1 (05-06)

FP Speed (04) / Vehicle Speed (05-06)

D27

nc

 

B27

DI 1 (04) / Aux 6 (05-06)

Vehicle Speed (04) / FP Speed (05-06)

D28

nc

 

B28

nc

 

D29

nc

 

B29

nc

 

D30

nc

 

B30

nc

 

D31

Ground (Shield)

 

B31

Ground (Crank Shield)

 

Expansion 1

Ground (Signal)

 

B32

nc

 

Expansion 2

+5V Out

 

B33

Ignition 6 (Aux)

AC Relay

Expansion 3

nc

 

B34

nc

 

Expansion 4

nc

 

B35

Ignition 8 (Aux)

E-Throttle Relay

Expansion 5

An Volt 12

 

 

Expansion 6

nc

 

C1

nc

 

Expansion 7

An Temp 4

 

C2

nc

 

Expansion 8

An Volt 11

 

 

2006-2007 ECU Function

Pin

ECU Pin

Function

Pin

ECU Pin

Function

A1

nc

 

C3

nc (Front O2 Heater)

 

A2

nc

 

C4

Injector 7 (Aux)

Rear Oxy Heater

A3

nc

 

C5

nc

 

A4

nc

 

C6

Ground (Shield)

 

A5

Ground

 

C7

nc

 

A6

An Volt 1

MAP (Factory)

C8

nc

 

A7

+14V Main Relay

ECU Power

C9

Ignition 6 (Aux)

AC Relay

A8

nc

 

C10

nc

 

A9

nc

 

C11

Injector 8 (Aux)

CE Light

A10

nc


C12

nc (06) / Aux 6 (07)

FP Speed (07)

A11

DI 2

Bank 1 (RH) Cam Position

C13

DI 1

Vehicle Speed

A12

nc

 

C14

nc

 

A13

Trig 1

Trig 1 (Crank)

C15

Ground (Signal)

 

A14

Ground (Crank)

 

C16

nc

 

A15

Knock 1

Knock

C17

nc

 

A16

An Volt 4

Left TGV Position

C18

Ignition 7 (Aux)

Engine Fan

A17

nc

 

C19

nc

 

A18

An Volt 2

TPS (Main)

C20

nc

 

A19

+5V Out

 

C21

Ignition 8 (Aux)

E-Throttle Relay

A20

nc

 

C22

Aux 3

Tacho

A21

Trig 2

Bank 2 (LH) Cam Position

C23

DI 3 (06) / Main Relay (07)

A/C Request (06) / Ground when on (07)

A22

Ground (Cams)

 

C24

Main Relay (06) / DI 3 (07)

Ground when on (06) / A/C Request (07)

A23

nc

 

C25

DI 4

Clutch Switch

A24

Ground (Crank Shield)

 

C26

nc

 

A25

Ground (Knock Shield)

 

C27

CAN 2 High

 

A26

An Volt 5

Right TGV Position

C28

nc

 

A27

nc

 

C29

Ignition 5 (Aux)

AC Fan

A28

An Volt 3

TPS (Sub)

C30

nc

 

A29

Ground (Signal)

 

C31

DI 9

Neutral Signal

A30

nc

 

C32

DI 8

Start Signal

A31

nc

 

C33

nc

 

A32

nc

 

C34

nc

 

A33

An Volt 6

Power Steer Switch

C35

CAN 2 Low

 

A34

An Temp 1

ECT

 

 

D1

Ground

 

B1

Ground (O2 Shield)

 

D2

Ground

 

B2

+14V Main Relay

ECU Power

D3

Ground

 

B3

nc (Cruise Set Light)

 

D4

Aux 9

EThrottle Motor +

B4

An Volt 7

Rear Oxy Signal

D5

Aux 10

EThrottle Motor -

B5

nc (+12V constant)

 

D6

nc

 

B6

Injector 6 (Aux)

Cruise Light

D7

Ground

 

B7

nc

 

D8

Injector 1

Injection

B8

nc (Front O2 Signal -)

 

D9

Injector 2

Injection

B9

nc (Front O2 Signal +)

 

D10

Injector 3

Injection

B10

nc (Fuel Level Sensor)

 

D11

Injector 4

Injection

B11

nc

 

D12

Linked to D23

TGV wired in series

B12

DI 10

Cruise Main

D13

Aux 8

Tumble Valves Close

B13

DI 6

Cruise Cancel OR Resume

D14

Aux 1

Bank 2 (LH) AVCS Solenoid

B14

nc

 

D15

+14V Out

AVCS Solenoid

B15

nc

 

D16

Aux 2

Bank 1 (RH) AVCS Solenoid

B16

nc

 

D17

+14V Out

AVCS Solenoid

B17

An Temp 3

Fuel Temperature

D18

Ignition 1

Ignition

B18

An Temp 2

IAT from MAF

D19

Ignition 2

Ignition

B19

Ignition Switch

Controls Main relay

D20

Ignition 3

Ignition

B20

DI 5

Brake (NC)

D21

Ignition 4

Ignition

B21

+5V Out (APS Main)

 

D22

Aux 7

Tumble Valves Open

B22

+5V Out (APS Sub)

 

D23

Linked to D12

TGV wired in series

B23

An Volt 10

APS (Main)

D24

nc

 

B24

DI 7

Cruise Set OR Cancel

D25

nc

 

B25

nc

 

D26

Ground

 

B26

An Volt 8

MAF Signal

D27

Aux 5

Wastegate Solenoid

B27

nc

 

D28

nc

 

B28

nc (brake NO)

 

D29

Injector 5 (aux)

Purge Solenoid

B29

Ground (APS Main)

 

D30

nc

 

B30

Ground (Signal)

 

D31

nc

 

B31

An Volt 9

APS (Sub)

Expansion 1

Ground (Signal)

 

B32

nc (Fuel Tank Pressure)

 

Expansion 2

+5V Out

 

B33

Aux 6 (06) / nc (07)

FP Speed (06)

Expansion 3

DI 11

 

B34

Ground (AFM)

 

Expansion 4

Aux13

 

B35

Ground (AFM Shield)

 

Expansion 5

An Volt 11

 

 

Expansion 6

Aux 12

 

C1

+14V EThrottle

From EThrottle Relay

Expansion 7

An Temp 4

 

C2

nc (Front O2 Heater)

 

Expansion 8

Aux 11