ST205 Pinout

 

Pin

ECU Pin

Function

Pin

ECU Pin

Function

1 (B13)

Ground

 

51 (A11)

DI 1

Start Signal

2 (B12)

Injector 1

Injection

52 (A10)

DI 2

A/C Request

3 (B11)

Injector 2

Injection

53 (A9)

DI 3

Vehicle Speed

4 (B10)

Aux 2

ISC Open

54 (A8)

nc

 

5 (B9)

Aux 1

ISC Close

55 (A7)

nc

 

6 (B8)

Injector 6 (Aux)

Oxy Heater

56 (A6)

nc

 

7 (B7)

Ignition 2 (Aux)

Purge 1

57 (A5)

Aux 5

CE Light

8 (B6)

Ignition 3 (Aux)

EGR

58 (A4)

nc

 

9 (B5)

nc

 

59 (A3)

nc

 

10 (B4)

Trig 1

Trig 1 (NE)

60 (A2)

nc

 

11 (B3)

nc

 

61 (A1)

nc (+12V constant)

 

12 (B2)

Aux 3

Wastegate Solenoid

62 (A22)

nc

 

13 (B1)

Aux 8

Purge 2 or TVIS Solenoid

63 (A21)

Aux 6

AC Output

14 (B26)

Ground

 

64 (A20)

nc

 

15 (B25)

Injector 3

Injection

65 (A19)

nc

 

16 (B24)

Injector 4

Injection

66 (A18)

nc

 

17 (B23)

Ignition 4 (Aux)

VISC Solenoid

67 (A17)

nc

 

18 (B22)

Injector 5 (Aux)

Intercooler Spray Pump

68 (A16)

nc

 

19 (B21)

nc

 

69 (A15)

nc

 

20 (B20)

Ignition 1

Ignition

70 (A14)

Aux 7

Fuel Pump Relay

21 (B19)

nc

 

71 (A13)

+14V

ECU Power

22 (B18)

Trig 2

Trig 2 (G1)

72 (A12)

+14V

ECU Power

23 (B17)

Ground (G-)

 

 

24 (B16)

nc

 

25 (B15)

nc

 

26 (B14)

Ground(Signal)

 

 

31 (C8)

nc

 

Expansion 1

Ground (Signal)

 

32 (C7)

nc

 

Expansion 2

+5V Out

 

33 (C6)

An Volt 1

Oxy Signal

Expansion 3

DI 5

 

34 (C5)

An Volt 4

MAP - MR2 (Factory Sensor)

Expansion 4

DI 6

 

35 (C4)

An Temp 1

ECT

Expansion 5

DI 4

 

36 (C3)

An Temp 2

IAT (Some models, ambient temp)

Expansion 6

An Volt 7

 

37 (C2)

An Volt 3

MAP - Celica (Factory Sensor)

Expansion 7

An Volt 5

 

38 (C1)

+5V Out

 

Expansion 8

An Volt 6

 

39 (C16)

Aux 4

Fuel Pump Speed

Expansion 9

Ignition 5 (Aux)

 

40 (C15)

nc

 

Expansion 10

Ignition 6 (Aux)

 

41 (C14)

nc

 

Expansion 11

Ignition 7 (Aux)

 

42 (C13)

Knock 1

Knock

Expansion 12

Ignition 8 (Aux)

 

43 (C12)

nc

 

Expansion 13

DI 9

 

44 (C11)

An Volt 2

TPS Signal

Expansion 14

DI 10

 

45 (C10)

An Temp 3

IAT (Some Models)

Expansion 15

An Volt 8

 

46 (C9)

Ground (Signal)

 

Expansion 16

An Volt 9

 

 

Note: On the mr2 AC request is actually just from, the AC clutch, not the push button.

Note: Injector Drives 7 and 8 aren't exposed and don't have the hardware required to drive Injectors.