Document ID# 1210976
2004 Chevrolet Corvette
 

Powertrain Control Module (PCM) Connector End Views

Table 1: PCM Connector C1
Table 2: PCM Connector C2

PCM Connector C1


2003-2004_PCM_Connector_Blue.gif

Connector Part Information

  • 12191489
  • 80-Way F Micro-Pack 100W Series Sealed (NAT) (TPA-BLU)

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

451

Ground

2

LT GRN

1867

12-Volt Reference

3

PNK/BLK

1746

Fuel Injector 3 Control

4

LT GRN/BLK

1745

Fuel Injector 2 Control

5-6

--

--

Not Used

7

GRY

596

5-Volt Reference

8-10

--

--

Not Used

11

LT BLU

1876

Knock Sensor 2 Signal

12

DK BLU/WHT

1869

Crankshaft Position (CKP) Sensor Signal

13

ORN/BLK

463

Requested Torque Signal

14

TAN

800

Throttle Actuator Control Serial Data

15

ORN/BLK

1061

Throttle Actuator Control Serial Data

16

--

--

Not Used

17

DK BLU

1225

Transmission Fluid Pressure Switch Signal B

18

RED

1226

Transmission Fluid Pressure Switch Signal C

19

PNK

239

Ignition 1 Voltage

20

ORN

340

Battery Positive Voltage

21

YEL/BLK

1868

Low Reference

22

--

--

Not Used

23

GRY

720

Low Reference

24

BLK/WHT

451

Ground

25

TAN

1671

HO2S Low Signal Bank 2 Sensor 2

26

TAN

1667

HO2S Low Signal Bank 2 Sensor 1

27

BLK/WHT

451

Ground

28

TAN/WHT

1669

HO2S Low Signal Bank 1 Sensor 2

29

TAN/WHT

1653

HO2S Low Signal Bank 1 Sensor 1

30-31

--

--

Not Used

32

BLK/WHT

771

Transmission Range Switch Signal A

33

PPL

420

TCC Brake Switch Signal

34

WHT

776

Transmission Range Switch Signal P

35

GRY

48

CPP Switch Signal

36

BLK

1744

Fuel Injector 1 Control

37

YEL/BLK

846

Fuel Injector 6 Control

38

PNK/WHT

1101

Damping Lift/Dive Signal

39

--

--

Not Used

40

BLK/WHT

451

Ground

41

--

--

Not Used

42

DK GRN

335

Low Speed Cooling Fan Relay Control

43

RED/BLK

877

Fuel Injector 7 Control

44

LT BLU/BLK

844

Fuel Injector 4 Control

45

GRY

474

5-Volt Reference

46

GRY

598

5-Volt Reference

47

--

--

Not Used

48

GRY

416

5-Volt Reference

49-50

--

--

Not Used

51

DK BLU

496

Knock Sensor 1 Signal

52

--

--

Not Used

53

ORN/BLK

1057

Low Reference

54

ORN/BLK

469

Low Reference

55-56

--

--

Not Used

57

ORN

340

Battery Positive Voltage

58

DK GRN

1049

PCM Class 2 Serial Data

59

--

--

Not Used

60

BLK

407

Low Reference

61

PNK/BLK

632

Low Reference

62

GRY

847

Extended Travel Brake Switch Signal

63

BLK

452

Low Reference

64

BLK/WHT

451

Ground

65

PPL

1670

HO2S High Signal Bank 2 Sensor 2

66

PPL

1666

HO2S High Signal Bank 2 Sensor 1

67

BLK/WHT

451

Ground

68

PPL/WHT

1668

HO2S High Signal Bank 1 Sensor 2

69

PPL/WHT

1665

HO2S High Signal Bank 1 Sensor 1

70

BRN

1174

Oil Level Switch Signal

71

--

--

Not Used

72

YEL

772

Transmission Range Switch Signal B

73

BRN/WHT

633

Camshaft Position (CMP) Sensor Signal

74

YEL

410

Engine Coolant Temperature (ECT) Sensor Signal

75

--

--

Not Used

76

BLK/WHT

845

Fuel Injector 5 Control

77

DK BLU/WHT

878

Fuel Injector 8 Control

78

--

--

Not Used

79

GRY

587

Skip Shift Solenoid Control

79

WHT

687

3-2 Shift Solenoid Valve Control

80

BRN

718

Low Reference

PCM Connector C2


2004_PCM_Connector_Green.gif

Connector Part Information

  • 12191488
  • 80-Way F Micro-Pack 100W Series Sealed (NAT) (TPA-GRN)

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

451

Ground

2

BRN

418

TCC PWM Solenoid Valve Control

3

--

--

Not Used

4

PPL

421

AIR Solenoid Control

5

TAN/BLK

464

Delivered Torque Signal

6

RED/BLK

1228

PC Solenoid valve High Control

7

--

--

Not Used

8

LT BLU/WHT

1229

PC Solenoid Valve Low Control

9

DK GRN/WHT

465

Fuel Pump Relay Control

10

WHT

121

Engine Speed Signal

11-13

--

--

Not Used

14

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

15

RED

225

Generator Turn On Signal

16

--

--

Not Used

17

DK GRN/WHT

762

A/C Request Signal (C60 only)

18

DK GRN

59

A/C Compressor Clutch Supply Voltage

19

--

--

Not Used

20

PPL

401

Signal Low - Front

21

YEL

400

Signal High - Front

22-24

--

--

Not Used

25

TAN

472

IAT Sensor Signal

26

PPL

2121

IC 1 Control

27

RED

2127

IC 7 Control

28

LT BLU/WHT

2126

IC 6 Control

29

DK GRN/WHT

2124

IC 4 Control

30

--

--

Not Used

31

YEL

492

MAF Sensor Signal

32

LT GRN

432

MAP Sensor Signal

33

DK BLU

473

High Speed Cooling Fan Relay Control

34

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

35

--

--

Not Used

36

BRN

436

AIR Pump Relay Control

37-38

--

--

Not Used

39

RED

631

12-Volt Reference

40

BLK/WHT

451

Ground

41

--

--

Not Used

42

TAN/BLK

422

TCC Solenoid Valve Control

43

DK GRN/WHT

459

A/C Compressor Clutch Relay Control

44

LT GRN

1652

Reverse Lockout Solenoid Control

45

WHT

1310

EVAP Canister Vent Solenoid Control

46

BRN/WHT

419

Malfunction Indicator Lamp (MIL) Control

47

WHT

375

Skip Shift Indicator Control (MM6)

47

YEL/BLK

1223

2-3 Shift Solenoid Valve Control (M30)

48

LT GRN

1222

1-2 Shift Solenoid Valve Control

49

--

--

Not Used

50

DK GRN/WHT

817

Vehicle Speed Signal

51

YEL/BLK

1227

TFT Sensor Signal

52

BRN

2391

HO2S Heater Low Control

53

RED/WHT

3223

HO2S Heater Low Control

54

DK BLU

1936

Fuel Level Sensor Signal

55-56

--

--

Not Used

57

PPL

719

Low Reference

58

TAN/WHT

331

Oil Pressure Sensor Signal

59

--

--

Not Used

60

BRN

2129

Low Reference

61

BRN/WHT

2130

Low Reference

62

GRY

773

Transmission Range Switch Signal C

63

PNK

1224

Transmission Fluid Pressure Switch Signal A

64

DK GRN

890

Fuel Tank Pressure Sensor Signal

65

--

--

Not Used

66

PPL/WHT

2128

IC 8 Control

67

RED/WHT

2122

IC 2 Control

68

DK GRN

2125

IC 5 Control

69

LT BLU

2123

IC 3 Control

70-71

--

--

Not Used

72

BLK/WHT

3113

HO2S Heater Low Control

73

LT BLU

1937

Fuel Level Sensor Signal (Secondary)

74

LT GRN

3212

HO2S Heater Low Control

75

GRY

23

Generator Field Duty Cycle Signal

76-79

--

--

Not Used

80

BLK

407

Low Reference


  Document ID# 1210976
2004 Chevrolet Corvette