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 Control (w/ immobilizer)

YE/BK

--

Fuel Injector 1 Control (w/o immobilizer)

2

L-GN/BK

--

Fuel Injector 2 Control (w/ immobilizer)

GN

--

Fuel Injector 4 Control (w/o immobilizer)

3

--

--

Not Used

4

BN/WH

--

Fuel Rail Pressure Regulator Supply Voltage

5

--

--

Not Used

6

PU

--

Cruise Switch Ground

7

WH/BK

--

CKP Shield Ground

8

GN/WH

--

Fuel Rail Pressure Sensor Low Reference

9-11

--

--

Not Used

12

GY

--

CKP Low Reference

13

WH/BK

--

Boost Pressure Sensor 5 Volt Reference

14-15

--

--

Not Used

16

YE/BK

--

Fuel Injector 1 Control (w/ immobilizer)

L-BU

--

Fuel Injector 3 Control (w/o immobilizer)

17

GN

--

Fuel Injector 4 Control (w/ immobilizer)

L-GN/BK

--

Fuel Injector 2 Control (w/o immobilizer)

18

--

--

Not Used

19

PU/WH

--

Fuel Injection Pump Supply Voltage

20

BU/WH

--

CMP Low Reference

21-22

--

--

Not Used

23

YE/BU

--

Boost Pressure Sensor Low Reference

24-26

--

--

Not Used

27

BN/WH

--

CKP Signal

28

L-BU

--

Fuel Rail Pressure Sensor 5-Volt Reference

29-30

--

--

Not Used

31

PU

--

Fuel Injector 2 Low Reference (w/ immobilizer)

WH/BK

--

Fuel Injector 4 Low Reference (w/o immobilizer)

32

--

--

Not Used

33

WH/BK

--

Fuel Injector 4 Low Reference (w/ immobilizer)

PU

--

Fuel Injector 2 Low Reference (w/o immobilizer)

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 Sensor Signal

41

--

--

Not Used

42

PU/WH

--

MAF Signal

43

GY/BK

--

Fuel Rail Pressure Sensor Signal

44

YE/BK

--

IAT, MAF Low Reference

45

WH

--

Cruise Indicator Control

46

BN/WH

--

Fuel Injector 3 Low Reference (w/ immobilizer)

WH

--

Fuel Injector 1 Low Reference (w/o immobilizer)

47

WH

--

Fuel Injector 1 Low Reference (w/ immobilizer)

BN/WH

--

Fuel Injector 3 Low Reference (w/o immobilizer)

48

--

--

Not Used

49

GN

--

Fuel Injection Pump Control

50

L-GN/BK

--

CMP Signal

51

--

--

Not Used

52

GN

--

Throttle Plate Actuator Feedback Signal

53

L-GN

--

IAT Signal

54-55

--

--

Not Used

56

GN/WH

--

Cruise Switch Signal

57-58

--

--

Not Used

59

WH

--

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

--

Battery Positive Voltage

2

BK

--

Ground

3

PK

--

Battery Positive Voltage

4

BK

--

Ground

5

PK

--

Battery Positive Voltage

6

BK

--

Ground

7

--

--

Not Used

8

BN/WH

--

APP Sensor Low Reference (2)

9

GN

--

APP Sensor Signal (1)

10

YE/BK

--

Fuel Temperature Sensor Low Reference

11

L-GN/BK

--

Fuel Temperature Signal

12

BK/WH

--

A/C Refrigerant Pressure Sensor Low Reference

13

BN/BK

--

A/C Refrigerant Pressure Sensor Signal

14-16

--

--

Not Used

17

YE

--

Stop Lamp Switch Signal

18

GY/BK

--

ECT Low Reference

19

BN

--

Generator Voltage Signal

20

GN/WH

--

Fuel Pump Relay Control

21

L-BU/WH

--

Change Oil Soon Indicator Control

22

BN/WH

--

A/C Refrigerant Pressure Sensor 5-Volt Reference

23-25

--

--

Not Used

26

L-GN/BK

--

ECT Gauge Signal

27

--

--

Not Used

28

PK/BK

--

Ignition 1 Voltage

29

PU/WH

--

A/C Compressor Relay Control

30

L-BU

--

APP Sensor Low Referece (1)

31

YE

--

APP Sensor Signal (2)

32

L-BU/BK

--

Exhaust Gas Temperature Sensor Signal 2

33

YE/WH

--

Exhaust Gas Temperature Sensor 2 Low Reference

34

PU/WH

--

Exhaust Gas Temperature Sensor Signal 1

35

BU/WH

--

Exhaust Gas Temperature Sensor 1 Low Reference

36

--

--

Not Used

37

L-BU

--

Diesel Particulate Filter Pressure Sensor Low Reference

38-43

--

--

Not Used

44

PU/WH

--

Diesel Particulate Filter Pressure Sensor 5-Volt Reference

45

GY/BK

--

APP Sensor 5-Volt Reference (1)

46

WH

--

APP Sensor 5-Volt Reference (2)

47

BN

--

Serial Data

48

BU/WH

--

Engine Speed Signal

49

BN

--

Charge Indicator Control

50-51

--

--

Not Used

52

WH

--

Glow Plug Diagnosis

53

--

--

Not Used

54

BN

--

Brake Pedal Switch Signal

55-56

--

--

Not Used

57

GN/WH

--

PTC Request Signal

58-63

--

--

Not Used

64

YE/BK

--

Diesel Particulate Filter Pressure Sensor Signal

65

--

--

Not Used

66

BN

--

ECT Sensor Signal

67

GY/BK

--

ECT Indicator Control

68

BU

--

Fuel Heater Relay Control

69

GN

--

Cooling Fan Low Speed Relay Control

70

YE/BK

--

Diesel Particulate Filter Indicator Control

71

PU/WH

--

MIL Control

72

GY/BK

--

Engine Main Relay Coil Control

73

GN/BK

--

Wastegate Solenoid Conrol

74

PK/BK

--

Vehicle Speed Signal (VSS) (M/T)

75

BU/WH

--

Generator Field Duty Cycle Signal

76-78

--

--

Not Used

79

GN/WH

--

A/C Request Signal

80

GN/WH

--

Cruise Control Clutch Switch Signal

81-82

--

--

Not Used

83

L-GN

--

CAN Low

84

L-BU

--

CAN High

85-88

--

--

Not Used

89

PU

--

Fuel Warning Signal

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/RD

--

Glow Plug Control

94

YE

--

PTC Relay 1 Control