S7-8 Pinout

Pin

ECU Pin

Function

Pin

ECU Pin

Function

1

Injector 2

Rear Primary Injector

51

nc

 

2

Injector 1

Front Primary Injector

52

Injector 7 (Aux)

CAT Light (CE Light)

3

Aux 1

Boost Solenoid

53

nc

 

4

nc

 

54

nc

 

5

Aux 2

ISC Solenoid

55

nc

 

6

nc

 

56

nc

 

7

Aux 3

Fuel Pressure Regulator (PRC) Solenoid

57

nc

 

8

Aux 5

Metering Oil Pump (Rotary Oil Pump)

58

nc

 

9

Aux 6

Metering Oil Pump (Rotary Oil Pump)

59

nc

 

10

Trig 2

Trig 2

60

nc

 

11

Trig 1

Trig 1

61

nc

 

12

Ground

 

62

Aux 4

Tacho

13

Ground

 

 

14

Injector 4

Rear Secondary Injector

71

An Temp 3

Fuel Temp

15

Injector 3

Front Secondary Injector

72

nc

 

16

nc

 

73

DI 2

Clutch Switch (Some models)

17

nc

 

74

An Volt 3

MAP Signal

18

nc

 

75

DI 1

Vehicle Speed

19

nc

 

76

Injector 8 (Aux)

Fuel Pump Speed Relay

20

nc

 

78

Ignition 3

Ignition Front Trailing

21

Aux 7

Metering Oil Pump (Rotary Oil Pump)

79

DI 3

A/C Request

22

Aux 8

Metering Oil Pump (Rotary Oil Pump)

80

DI 4

Start Signal

23

Ground (CAS)

 

81

nc (Constant +12V)

 

24

nc

 

82

nc


25

Ground (Sensor)

 

83

Injector 6 (Aux)

Fuel Pump Relay

26

Ground

 

84

nc

 

 

85

nc

 

31

nc

 

86

DI 5

PS Switch

32

Knock 1

Knock

87

Ignition 4 (Aux)

A/C Relay

33

nc

 

88

Ignition 2

Ignition Rear Trailing

34

+5V Out

 

89

Ignition 1

Ignition Leading

35

An Volt 1

TPS Signal

90

nc

 

36

An Temp 2

ECT

91

nc

 

37

An Volt 4

Oxygen Sensor Signal

92

+14V Main Relay

ECU Power

38

An Volt 2

Metering Oil Pump Position Signal

 

39

nc

 

Expansion 1

Signal Ground

 

40

nc

 

Expansion 2

+5V Out

 

41

An Temp 1

IAT

Expansion 3

DI 6

 

42

nc

 

Expansion 4

-

 

43

nc

 

Expansion 5

An Volt 5

 

44

nc

 

Expansion 6

An Volt 6

 

45

Injector 5 (Aux)

Engine Fan Relays

Expansion 7

-

 

46

nc

 

Expansion 8

-