Subaru V7-9 header

Subaru V7-9 WRX/STi

Pin

ECU Pin

Function

Pin

ECU Pin

Function

A-1

DI 5

Vehicle Speed

C-21

Ignition 4

Ignition

A-2

Main Relay (WRX) / DI 3 (STI)

Main Relay Control (WRX) / A/C Request (STI)

C-22

Ignition 3

Ignition

A-3

DI 10

Rear de-mist switch

C-23

Ignition 2

Ignition

A-4

nc

 

C-24

Ignition 1

Ignition

A-5

Ignition Switch (STI)

Controls Main Relay

 

A-6

DI 3 (WRX) / Main Relay (STI)

A/C Request (WRX) / Main Relay Control (STI)

D-1

Injector 1

Injection

A-7

Ground

 

D-2

+14V Main Relay

ECU Power

A-8

nc

 

D-3

+14V Main Relay

ECU Power

A-9

nc

 

D-4

nc

 

A-10

nc

 

D-5

nc

 

A-11

nc

 

D-6

nc

 

A-12

nc

 

D-7

nc

 

A-13

nc

 

D-8

Ground

 

A-14

Ignition Switch (WRX)

Controls Main Relay

D-9

Ground

 

A-15

Ground

 

D-10

nc

 

A-16

DI 6

Start Signal

D-11

Injector 6 (Aux)

IC Spray Relay

A-17

nc

 

D-12

nc

 

A-18

nc

 

D-13

nc

 

A-19

nc

 

D-14

An Temp 3

IAT (Spec C)

A-20

nc

 

D-15

Aux 5

CE Light

A-21

nc

 

D-16

nc

 

A-22

Ground

 

D-17

Injector 5 (Aux)

Engine Fan

 

D-18

Ground (O2 Shield)

 

B-1

Trig 2

Trig 2

D-19

nc

 

B-2

Trig 1

Trig 1

D-20

nc

 

B-3

nc

 

D-21

nc

 

B-4

Knock 1

Knock

D-22

nc

 

B-5

nc

 

D-23

nc

 

B-6

nc

 

D-24

Aux 6

Boost Solenoid

B-7

An Volt 3

TPS (Main)

D-25

nc

 

B-8

An Volt 1

MAP Sensor

D-26

nc

 

B-9

+5V Out

 

D-27

Injector 7 (Aux)

A/C Clutch Relay

B-10

Ground (Trig 2)

 

D-28

Injector 8 (Aux)

A/C Fan Relay

B-11

Ground (Trig 1)

 

D-29

nc

 

B-12

DI 4

IC Spray Switch

D-30

nc

 

B-13

nc

 

D-31

nc

 

B-14

nc

 

 

 

 

B-15

nc

 

E-1

Ground

 

B-16

nc

 

E-2

DI 2

Bank 1 Inl Cam Pos

B-17

An Volt 4

Rear O2 Signal

E-3

Ground (Cam Pos)

 

B-18

An Temp 2

ECT

E-4

+14V Out (TGV)

 

B-19

Ground (Signal)

 

E-5

Ground (TGV)

 

B-20

nc

 

E-6

+14V Out (Cam)

 

B-21

Ground (Shield)

 

E-7

Ground (AFM)

 

B-22

Ground (Shield)

 

E-8

Ground (AFM Shield)

 

B-23

nc

 

E-9

DI 1

Bank 2 Inl Cam Pos

B-24

An Volt 5

Power Steer Switch

E-10

+14V Out (TGV)

 

B-25

nc

 

E-11

Ground (TGV)

 

B-26

Ground (Shield)

 

E-12

Aux 2

Bank 1 Inl AVCS Sol

B-27

An Temp 1

IAT (AFM)

E-13

An Volt 2

AFM Signal

B-28

nc

 

E-14

Ground (Cam Shield)

 

 

E-15

Ground (Cam Pos)

 

C-1

nc

 

E-16

Aux 1

Bank 2 Inl AVCS Sol

C-2

nc

 

E-17

+14V Out (Cam)

 

C-3

nc

 

 

C-4

Injector 4

Injection

C-5

Injector 3

Injection

Expansion 1

Ignition 6 (Aux)

 

C-6

Injector 2

Injection

Expansion 2

Ignition 7 (Aux)

 

C-7

nc

 

Expansion 3

Ignition 8 (Aux)

 

C-8

Ground

 

Expansion 4

DI 7

 

C-9

Ignition 5 (Aux)

Tacho

Expansion 5

DI 8

 

C-10

Aux 3

ISC Solenoid

Expansion 6

DI 9

 

C-11

nc

 

Expansion 7

An temp 4

 

C-12

nc

 

Expansion 8

An Volt 11

 

C-13

Aux 8

Rear O2 Heater

Expansion 9

Ground (Signal)

 

C-14

nc

 

Expansion 10

+5V Out

 

C-15

Aux 7

FP Speed Control

Expansion 11

Aux 9

 

C-16

Aux 7

FP Speed Control

Expansion 12

Aux 10

 

C-17

Ground

 

Expansion 13

An Volt 6

 

C-18

Ground

 

Expansion 14

An Volt 7

 

C-19

nc

 

Expansion 15

An Volt 9

 

C-20

nc

 

Expansion 16

An Volt 10