TOYOTA 3T-GTEU 89561-14190

Description for EFI computer

ECU Plug A

17

15

13

11

9

7

5

3

1

18

16

14

12

10

8

6

4

2

ECU Plug B

11

9

7

5

3

1

12

10

8

6

4

2

 

ECU Plug A

Pin#

Code

Color

Comments

1

OX

Fawn

Oxygen sensor

2

PE

Red

Pressure switch #1

3

A/C

Black/White

A/C clutch

4

P/C

Black/White

Pressure Switch #3

5

STA

Black

Starter Solenoid

6

Vmax

Pink

Instruments (Boost/overboost LED)

7

OT

Red/Yellow

Oxygen sensor test

8

not used

 

 

9

THA

Green/Black

Air Temp Sensor

10

FR

Yellow/Black

Main Relay

11

not used

 

 

12

+B

Black/Yellow

Supply + from

13

VC

Blue/Red

AFM Reference

14

not used

 

 

15

VS

Green/Red

AFM Load

16

E3

Brown

Ground

17

E2

Brown

Ground

18

IG

Black/Red

Connects to Main igniter 2 pin plug (Yellow wire on 2 pin plug)

 

ECU Plug B

Pin#

Code

Color

Comments

1

EO1

Brown

Injector Ground

2

EO2

Brown

Injector Ground

3

#10

White

Injectors (switching side)

4

#20

White

Injectors (switching side)

5

not used

 

 

6

+BF

Yellow

Injector + supply

7

VF

Mint

Test Connector

8

PSW

Black

TPS Full load

9

IDL

Blue

TPS idle contacts

10

TL

Red

TPS common (Signal supply out)

11

THW

Green

Coolant Temp Sensor

12

E1

Brown

Ground