GM Service Manual Online
For 1990-2009 cars only
Connector 1: ECM A
Connector 2: ECM K

ECM A


Object Number: 1725344  Size: CH

Connector Part Information

  • OEM: AMP 2-1355123-3
  • Service: N/A
  • Description: 60-Way F 60POS Receptacle Hsg Assembly (BK)

ECM A

Pin

Wire Color

Circuit No.

Function

1

L-BU

--

Fuel Injector 3 High

2

L-GN/BK

--

Fuel Injector 2 High

3

--

--

Not Used

4

BN/WH

--

Fuel Rail Pressure Regulator Supply Voltage

5

--

--

Not Used

6

GY

--

Cruise Switch Ground

7

GY

--

CKP Ground

8

GN/WH

--

Fuel Rail Pressure Sensor Ground

9-11

--

--

Not Used

12

YE/BK

--

CKP Low

13

WH/BK

--

5 Volt Reference

14

--

--

Not Used

15

PU/WH

--

Boost Pressure Actuator Control

16

YE/BK

--

Fuel Injector 1 High

17

GN

--

Fuel Injector 4 High

18

--

--

Not Used

19

PU/WH

--

High Pressure Pump Supply Voltage

20

BU/WH

--

CMP Ground

21-22

--

--

Not Used

23

YE/BU

--

Ground

24-26

--

--

Not Used

27

BU/WH

--

CKP High

28

L-BU

--

Fuel Rail Pressure Sensor 5-Volt Reference

29-30

--

--

Not Used

31

PU

--

Fuel Injector 2 Low

32

--

--

Not Used

33

WH/BK

--

Fuel Injector 4 Low

34

L-BU/BK

--

Fuel Rail Pressure Regulator Control

35-36

--

--

Not Used

37

BU/WH

--

IAT Signal

38-39

--

--

Not Used

40

GY/BK

--

Boost Pressure Actuator Intake Air Pressure Signal

41

--

--

Not Used

42

PU/WH

--

MAF Signal

43

GY/BK

--

Fuel Rail Pressure Sensor Signal

44

YE/BK

--

IAT, MAF Ground

45

WH

--

Cruise Indicator Control

46

BN/WH

--

Fuel Injector 3 Low

47

WH

--

Fuel Injector 1 Low

48

--

--

Not Used

49

GN

--

High Pressure Pump Control

50

L-GN/BK

--

CMP Signal

51

--

--

Not Used

52

GY/BK

--

Throttle Plate Actuator Feedback Signal

53

L-GN

--

Boost Pressure Actuator Intake Air Temperature Signal

54-55

--

--

Not Used

56

L-BU/BK

--

Cruise Switch +

57-58

--

--

Not Used

59

WH/BK

--

Throttle Plate Actuator Control

60

GN/WH

--

EGR Control

ECM K


Object Number: 1725343  Size: CH

Connector Part Information

  • OEM: AMP 3-1355136-3
  • Service: N/A
  • Description: 94-Way F 94POS Receptacle Hsg Assembly (BK)

ECM K

Pin

Wire Color

Circuit No.

Function

1

PK/BK

--

Battery Positive Voltage

2

BK

--

Ground

3

PK/BK

--

Battery Positive Voltage

4

BK

--

Ground

5

PK

--

Battery Positive Voltage

6

BK

--

Ground

7

--

--

Not Used

8

PU

--

APP Sensor Low Reference (2)

9

BU

--

APP Sensor Signal (1)

10

YE/BK

--

Fuel Temperature Sensor Ground

11

L-GN/BK

--

Fuel Temperature Signal

12

BK/WH

--

Ground

13

OG/BK

--

A/C Refrigerant Pressure Sensor Signal

14-16

--

--

Not Used

17

L-BU

--

Stop Lamp Switch Signal

18

GY/BK

--

ECT Ground

19

BN

--

Generator Voltage Signal

20

GN/WH

--

Fuel Pump Relay Control

21

BU

--

Change Oil Soon Indicator Control

22

BN/WH

--

5-Volt Reference

23-25

--

--

Not Used

26

GN

--

ECT Signal

27

--

--

Not Used

28

PK/BK

--

Ignition 1 Voltage

29

PU/WH

--

A/C Compressor Control

30

BN

--

APP Sensor Low Referece (1)

31

L-BU

--

APP Sensor Signal (2)

32

L-BU/BK

--

Exhaust Gas Temperature Sensor Signal 2

33

YE/WH

--

Exhaust Gas Temperature Sensor 2 Ground

34

PU/WH

--

Exhaust Gas Temperature Sensor Signal 1

35

BU/WH

--

Exhaust Gas Temperature Sensor 1 Ground

36

--

--

Not Used

37

L-BU

--

Diesel Particulate Filter Pressure Sensor Ground

38-43

--

--

Not Used

44

PU/WH

--

Diesel Particulate Filter Pressure Sensor 5-Volt Reference

45

WH/BK

--

APP Sensor 5-Volt Reference (1)

46

GN

--

APP Sensor 5-Volt Reference (2)

47

--

--

Not Used

48

WH

--

Engine Speed Signal

49

BN

--

Charge Indicator Control

50-51

--

--

Not Used

52

L-GN/BK

--

Glow Plug Diagnosis

53

--

--

Not Used

54

BN

--

Brake Pedal Switch Signal

55-56

--

--

Not Used

57

WH/BK

--

PTC Request Signal

58-63

--

--

Not Used

64

YE/BK

--

Diesel Particulate Filter Pressure Sensor Signal

65

--

--

Not Used

66

BN

--

ECT Signal

67

GY/BK

--

ECT Indicator Control

68

BU

--

Fuel Heater Relay Control

69

GN

--

Cooling Fan Low Speed Relay Control

70

YE

--

Diesel Particulate Filter Indicator Control

71

PU/WH

--

MIL Control

72

GY/BK

--

Engine Main Relay Coil Control

73-74

--

--

Not Used

75

BU

--

Generator Field Duty Cycle Signal

76-78

--

--

Not Used

79

GN/WH

--

A/C Request Signal

80

YE

--

Cruise Control Clutch Switch Signal

81-82

--

--

Not Used

83

L-GN

--

CAN Low

84

BN/WH

--

CAN High

85-87

--

--

Not Used

88

WH

--

Cooling Fan Control Relay Control

89

--

--

Not Used

90

BU

--

Cooling Fan High Speed Relay Control

91

L-GN/WH

--

PTC Relay 2,3 Control

92

L-BU

--

Glow Plug Indicator Control

93

WH

--

Glow Plug Control

94

YE

--

PTC Relay 1 Control