Supra Pinout

 

Pin

ECU Pin

Function

Pin

ECU Pin

Function

A1

DI 2

Ignition Switch

B29

nc

 

A2

DI 1

Vehicle Speed

B30

nc

 

A3

nc

 

B31

nc

 

A4

DI 6

Brake Switch

B32

Aux 8

ISC Stepper

A5

nc

 

B33

Aux 6

ISC Stepper

A6

Ignition 7 (Aux)

CE Light

B34

Aux 7

ISC Stepper

A7

nc

 

B35

Aux 5

ISC Stepper

A8

nc

 

B36

nc

 

A9

nc

 

B37

nc

 

A10

nc

 

B38

nc

 

A11

nc

 

B39

nc

 

A12

nc

 

B40

nc

 

A13

nc

 

B41

+5V Out

 

A14

nc

 

B42

nc

 

A15

DI 4

Electrical Load Sensor

B43

An Volt 5

Throttle Position Sensor

A16

Aux 1

Tacho

B44

An Temp 1

ECT Signal

A17

nc

 

B45

An Temp 2

IAT Signal

A18

nc

 

B46

nc

 

A19

nc

 

B47

An Volt 4

NB Oxy

A20

nc

 

B48

An Volt 3

NB Oxy

A21

nc

 

B49

Knock 2

Knock

A22

Aux 2

Fuel Pump speed control

B50

Knock 1

Knock

A23

Aux 3

A/C Clutch relay

B51

nc

 

A24

Injector 8 (Aux)

ECU Hold Power

B52

Ignition 6

Ignition

A25

nc

 

B53

Ignition 5

Ignition

A26

nc

 

B54

Ignition 4

Ignition

A27

nc

 

B55

Ignition 3

Ignition

A28

nc

 

B56

Ignition 2

Ignition

A29

nc

 

B57

Ignition 1

Ignition

A30

nc

 

B58

nc

 

A31

+14v (Main Relay)

ECU Power

B59

nc

 

A32

nc

 

B60

Aux 4

Wastegate Solenoid

A33

+12V Constant

Used to Power Main Relay

B61

nc

 

A34

DI 3

A/C Request

B62

An Volt 1

MAP (Factory Sensor)

A35

nc

 

B63

nc

 

A36

nc

 

B64

nc

 

A37

nc

 

B65

Ground (Signal)

 

A38

nc

 

B66

An Volt 2

AFM

A39

nc

 

B67

nc

 

A40

nc

 

B68

nc

 

 

B69

Ground

 

B1

nc

 

B70

nc

 

B2

nc

 

B71

Injector 7 (Aux)

O2 Heater (1)

B3

nc

 

B72

Injector 7 (Aux)

O2 Heater (2)

B4

Ground

 

B73

Ignition 8 (Aux)

Fuel Pressure Increase Solenoid

B5

Ground (Trigger)

 

B74

Aux 10

Purge Solenoid

B6

Ground (Trigger)

 

B75

nc

 

B7

Ground (Trigger)

 

B76

DI5

Start Signal

B8

nc

 

B77

nc

 

B9

nc

 

B78

nc

 

B10

nc

 

B79

Ground

 

B11

nc

 

B80

Ground

 

B12

nc

 

 

B13

nc

 

Expansion 1

Ground (Signal)

 

B14

nc

 

Expansion 2

+5V Out

 

B15

Injector 6

Injection

Expansion 3

An Volt 7

 

B16

Injector 5

Injection

Expansion 4

An Volt 6

 

B17

Injector 4

Injection

Expansion 5

An Temp 4

 

B18

Injector 3

Injection

Expansion 6

An Temp 3

 

B19

Injector 2

Injection

Expansion 7

DI 8

 

B20

Injector 1

Injection

Expansion 8

DI 7

 

B21

nc

 

Expansion 9

Ground (Signal)

 

B22

nc

 

Expansion 10

+5V Out

 

B23

nc

 

Expansion 11

Aux 9

 

B24

nc

 

Expansion 12

DI 9

 

B25

Trig 2

Trig 2 (Cam)

Expansion 13

DI 10

 

B26

nc

 

Expansion 14

An Volt 8

 

B27

Trig 1

Trig 1 (Crank)

Expansion 15

An Volt 9

 

B28

Ground (AFM)

 

Expansion 16

An Volt 10

 

 

Note: Injector Drive 8 has extra hardware attached to it related to the ECU Hold Power and so is not suitable for driving an injector without modification.