Document ID# 1452061
2005 Chevrolet Corvette
 

Engine Control Module (ECM) Connector End Views

Table 1: Engine Control Module (ECM) - C1 (MM6)
Table 2: Engine Control Module (ECM) - C1 (M32)
Table 3: Engine Control Module (ECM) - C2
Table 4: Engine Control Module (ECM) - C3 (MM6)
Table 5: Engine Control Module (ECM) - C3 (M32)

Engine Control Module (ECM) - C1 (MM6)


2005_PCM_Connector_1.gif

Connector Part Information

     OEM: 15418477
     Service: See Catalog
     56-Way F Micro-Pack 64 Series (BU)

Pin

Wire Color

Circuit No.

Function

1

TN/BK

2500

High Speed GMLAN Serial Data Bus+

2

TN

2501

High Speed GMLAN Serial Data Bus-

3

--

--

Not Used

4

BN/WH

419

MIL Control

5-6

--

--

Not Used

7

BN

1271

Low Reference

8

PU

1272

Low Reference

9

--

--

Not Used

10

WH/BK

448

Ignition 1 Relay Control

11-12

--

--

Not Used

13

YE/BK

625

Starter Enable Relay Control

14

PK

439

Ignition 1 Voltage

15-17

--

--

Not Used

18

YE

43

Accessory Voltage

19

PK

1439

Ignition 1 Voltage

20

RD/WH

2440

Battery Positive Voltage

21

D-GN/WH

817

Vehicle Speed Signal

22

D-BU

1161

APP Sensor 1 Signal

23

--

--

Not Used

24

D-GN

890

Fuel Tank Pressure Sensor Signal

25

--

--

Not Used

26

OG/BK

380

A/C Refrigerant Pressure Sensor Signal

27-28

--

--

Not Used

29

TN

1274

5-Volt Reference

30

GY

2700

5-Volt Reference

31

GY

2709

5-Volt Reference

32

WH

17

Stop Lamp Switch Signal

33-34

--

--

Not Used

35

WH/BK

1164

5-Volt Reference

36

D-GN

335

Cooling Fan Speed Control

37

D-BU

1936

Fuel Level Sensor Signal - Primary

38

--

--

Not Used

39

L-BU

1937

Fuel Level Sensor Signal - Secondary

40

--

--

Not Used

41

L-BU

1162

APP Sensor 2 Signal

42

L-GN

1652

Reverse Lockout Solenoid Control

43

GY

48

CPP Switch Signal

44

--

--

Not Used

45

D-GN/WH

465

Fuel Pump Relay Control - Primary

46-47

--

--

Not Used

48

WH

121

Engine Speed Signal

49-50

--

--

Not Used

51

PU/WH

1035

Starter Relay Coil Supply Voltage

52-53

--

--

Not Used

54

WH

1310

EVAP Canister Vent Solenoid Control

55

BK/WH

2751

Low Reference

56

--

--

Not Used


Engine Control Module (ECM) - C1 (M32)


2005_PCM_Connector_1.gif

Connector Part Information

     OEM: 15418480
     Service: See Catalog
     56-Way F Micro-Pack 64 Series (BU)

Pin

Wire Color

Circuit No.

Function

1

TN/BK

2500

High Speed GMLAN Serial Data Bus+

2

TN

2501

High Speed GMLAN Serial Data Bus-

3

--

--

Not Used

4

BN/WH

419

MIL Control

5-6

--

--

Not Used

7

BN

1271

Low Reference

8

PU

1272

Low Reference

9

--

--

Not Used

10

WH/BK

448

Ignition 1 Relay Control

11-12

--

--

Not Used

13

YE/BK

625

Starter Enable Relay Control

14

PK

439

Ignition 1 Voltage

15-17

--

--

Not Used

18

YE

43

Accessory Voltage

19

PK

1439

Ignition 1 Voltage

20

RD/WH

2440

Battery Positive Voltage

21

D-GN/WH

817

Vehicle Speed Signal

22

D-BU

1161

APP Sensor 1 Signal

23

--

--

Not Used

24

D-GN

890

Fuel Tank Pressure Sensor Signal

25

--

--

Not Used

26

OG/BK

380

A/C Refrigerant Pressure Sensor Signal

27-28

--

--

Not Used

29

TN

1274

5-Volt Reference

30

GY

2700

5-Volt Reference

31

GY

2709

5-Volt Reference

32

WH

17

Stop Lamp Switch Signal

33-34

--

--

Not Used

35

WH/BK

1164

5-Volt Reference

36

D-GN

335

Cooling Fan Speed Control

37

D-BU

1936

Fuel Level Sensor Signal - Primary

38

--

--

Not Used

39

L-BU

1937

Fuel Level Sensor Signal - Secondary

40

--

--

Not Used

41

L-BU

1162

APP Sensor 2 Signal

42-44

--

--

Not Used

45

D-GN/WH

465

Fuel Pump Relay Control - Primary

46-47

--

--

Not Used

48

WH

121

Engine Speed Signal

49-53

--

--

Not Used

54

WH

1310

EVAP Canister Vent Solenoid Control

55

BK/WH

2751

Low Reference

56

--

--

Not Used


Engine Control Module (ECM) - C2


2005_PCM_Connector_2.gif

Connector Part Information

     OEM: 15418479
     Service: See Catalog
     73-Way F Micro-Pack 64 Series (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

2

GY/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

3

--

--

Not Used

4

D-BU/WH

878

Fuel Injector 8 Control

5

TN

1744

Fuel Injector 1 Control

6

L-GN/BK

1745

Fuel Injector 2 Control

7

OG/BK

877

Fuel Injector 7 Control

8

L-BU/BK

844

Fuel Injector 4 Control

9

PK/BK

1746

Fuel Injector 3 Control

10

TN/WH

845

Fuel Injector 5 Control

11-12

--

--

Not Used

13

YE/BK

846

Fuel Injector 6 Control

14

YE/BK

1868

Low Reference

15

PK/BK

632

Low Reference

16

BN

2129

Low Reference

17-19

--

--

Not Used

20

OG/BK

469

Low Reference

21

BK

2755

Low Reference

22-23

--

--

Not Used

24

TN/WH

331

Oil Pressure Sensor Signal

25

--

--

Not Used

26

BN/WH

633

CMP Sensor Signal

27

BN

1174

Oil Level Switch Signal

28

--

--

Not Used

29

PU

486

TP Sensor 2 Signal

30

--

--

Not Used

31

D-GN

485

TP Sensor 1 Signal

32-34

--

--

Not Used

35

GY

2704

5-Volt Reference

36

TN/WH

1704

Low Reference

37

GY

2705

5-Volt Reference

38-40

--

--

Not Used

41

L-BU/BK

1688

5-Volt Reference

42

--

--

Not Used

43

L-GN

1867

12-Volt Reference

44

OG

631

12-Volt Reference

45

GY

23

Generator Field Duty Cycle Signal

46

L-GN

432

MAP Sensor Signal

47

--

--

Not Used

48

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

49

TN

1664

HO2S Low Signal - Bank 1 Sensor 1

50

D-GN/WH

428

EVAP Canister Purge Solenoid Control

51

PU

1666

HO2S High Signal - Bank 2 Sensor 1

52

TN

2761

Low Reference

53

OG

2127

IC 7 Control

54

PU

2121

IC 1 Control

55

YE

410

ECT Sensor Signal

56

OG

225

Generator Turn On Signal

57

L-BU/WH

2126

IC 6 Control

58

D-GN/WH

2124

IC 4 Control

59

D-GN

2125

IC 5 Control

60

BN

582

TAC Motor Control - 2

61

L-BU

2123

IC 3 Control

62

D-BU/WH

1869

CKP Sensor Signal

63

YE

581

TAC Motor Control - 1

64

BN/WH

2130

Low Reference

65

PU/WH

2128

IC 8 Control

66

OG/WH

2122

IC 2 Control

67

--

--

Not Used

68

D-BU

496

Knock Sensor 1 Signal

69

GY

1716

Low Reference

70

TN

1667

HO2S Low Signal - Bank 2 Sensor 1

71

GY

2303

Low Reference

72

L-BU

1876

Knock Sensor 2 Signal

73

BK/WH

451

Ground


Engine Control Module (ECM) - C3 (MM6)


2005_PCM_Connector_3_(MM6).gif

Connector Part Information

     OEM: 15418478
     Service: See Catalog
     56-Way F Micro-Pack 64 Series (GY)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN

2391

HO2S Heater Low Control - Bank 1 Sensor 2

3

OG/WH

3223

HO2S Heater Low Control - Bank 2 Sensor 2

4-6

--

--

Not Used

7

YE/BK

1227

Low Reference

8-10

--

--

Not Used

11

YE

492

MAF Sensor Signal

12-16

--

--

Not Used

17

TN

452

Low Reference

18

TN/WH

1669

H02S Low Signal Bank 1 Sensor 2

19

PU/WH

1668

H02S High Signal Bank 1 Sensor 2

20

PU

1670

H02S High Signal Bank 2 Sensor 2

21

TN

1671

H02S Low Signal Bank 2 Sensor 2

22-23

--

--

Not Used

24

TN

2760

Low Reference

25-33

--

--

Not Used

34

TN

472

IAT Sensor Signal

35-43

--

--

Not Used

44

PU

401

VSS Low Signal

45

YE

400

VSS High Signal

46-47

--

--

Not Used

48

GY

587

Skip/Shift Solenoid Control

49

TN

2759

Low Reference

50

--

--

Not Used

51

D-GN/WH

459

A/C Compressor Clutch Relay Control

52-56

--

--

Not Used


Engine Control Module (ECM) - C3 (M32)


2005_PCM_Connector_3_(M32).gif

Connector Part Information

     OEM: 15418481
     Service: See Catalog
     56-Way F Micro-Pack 64 Series (GY)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN

2391

HO2S Heater Low Control - Bank 1 Sensor 2

3

OG/WH

3223

HO2S Heater Low Control - Bank 2 Sensor 2

4-10

--

--

Not Used

11

YE

492

MAF Sensor Signal

12-17

--

--

Not Used

18

TN/WH

1669

H02S Low Signal Bank 1 Sensor 2

19

PU/WH

1668

H02S High Signal Bank 1 Sensor 2

20

PU

1670

H02S High Signal Bank 2 Sensor 2

21

TN

1671

H02S Low Signal Bank 2 Sensor 2

22

OG/BK

1786

Park/Neutral Signal

23

--

--

Not Used

24

TN

2760

Low Reference

25-33

--

--

Not Used

34

TN

472

IAT Sensor Signal

35-44

--

--

Not Used

45

OG

381

Vehicle Speed Signal

46-48

--

--

Not Used

49

TN

2759

Low Reference

50

--

--

Not Used

51

D-GN/WH

459

A/C Compressor Clutch Relay Control

52-56

--

--

Not Used


  Document ID# 1452061
2005 Chevrolet Corvette