GM Service Manual Online
For 1990-2009 cars only
Table 1: Powertrain Control Module Connector C1 End View
Table 2: Powertrain Control Module Connector C2 End View

Powertrain Control Module Connector C1 End View


Object Number: 15026  Size: CF

Connector Part Information

    • *12191110
    •  PCM C1 (BLU)

100 W Series,Sealed 80 Way

Pin

Wire Color

Circuit No.

Function

1

BLK

2762

Automatic Transaxle Fluid Temperature (TFT) Sensor Ground

2-3

--

--

Not Used

4

LT GRN

1222

1-2 Shift Solenoid Valve

5

DK BLU

473

High Speed Fans Control

6

DK GRN

335

Low Speed Fans Control

7

BRN/WHT

633

Camshaft Position PCM Input Signal

8

PPL/WHT

430

3X Reference High

9

LT BLU/BLK

647

24X CKP Sensor Signal (Reference)

10

GRY

2704

MAP 5 Volt Reference A

11

--

--

Not Used

12

DK GRN

676

HO2S Heater High Control (Bank 1 Sensor 1)

13

ORN BLK

469

MAP/ECT Sensor Ground

14-15

--

--

Not Used

16

BLK/WHT

451

PCM Ground

17

BLK

2760

IAT Sensor Ground

18

--

--

Not Used

19

PPL

1500

Ignition Wake up Power (Hot in Run / Bulb Test / Start)

20

ORN

540

Battery Positive Voltage

21

--

--

Not Used

22

PNK

1224

Transmission Fluid Pressure Switch Signal A

23-27

-

-

Not Used

28

TAN/WHT

1669

HO2 Sensor 2 Low

29

TAN

413

HO2 Sensor 1 Low

30

PPL

420

TCC Brake Switch Input

31

BLK

2753

EGR Pintle Position Sensor Ground

32

GRY

435

EGR Valve Control

33

DK BLU

496

Knock Sensor (KS) Signal

34-37

--

--

Not Used

38

LT GRN/WHT

1749

IAC Valve Coil B High

39-42

--

--

Not Used

43

BLK

1744

Fuel Injector #1 Control

44

YEL/BLK

1223

2-3 Shift Solenoid Valve Control

45

-

-

Not Used

46

PNK/BLK

1746

Fuel Injector #3 Control

47

LT GRN/BLK

1745

Fuel Injector #2 Control

48

RED/BLK

453

3X Reference Low

49-52

--

--

Not Used

53

TAN/BLK

424

Bypass Control

54

WHT

423

Ignition Control (IC)

55

DK GRN/WHT

817

Vehicle Speed Signal Output

56

BLK/WHT

451

PCM Ground

57

BLK/WHT

451

PCM Ground

58

DK GRN

1049

Class 2 Serial Data

59

--

--

Not Used

60

BLK/WHT

451

PCM Ground

61

BLK

2752

Throttle Position (TP) Sensor Ground

62

DK BLU/WHT

1231

AT ISS Low Signal

63

RED/BLK

1230

AT ISS High Signal

64

YEL

400

VSS High

65

PPL

401

VSS Low

66-67

--

--

Not Used

68

YEL

772

Transaxle Range Switch B

69

YEL

492

MAF Sensor Input (Signal)

70-71

--

--

Not Used

72

DK GRN

83

Cruise Disable/Inhibit Control

73

BLK/WHT

845

Fuel Injector #5 Control

74-75

--

--

-

76

DK GRN/WHT

428

EVAP Canister Purge Valve Control

77-78

--

--

Not Used

79

YEL/BLK

846

Fuel Injector #6 Control

80

BLK

2751

AC Pressure Sensor Ground

Powertrain Control Module Connector C2 End View


Object Number: 15030  Size: CF

Connector Part Information

    • 12191110
    •  PCM C2 (Nat)

100 W Series,Sealed 80 Way

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

WHT

1310

EVAP Canister Vacuum Switch Input (Vent Valve Solenoid Control)

3

DK GRN/WHT

465

Fuel Pump Relay Control

4

WHT

257

EGR Valve Ignition Positive Voltage

5

BRN/WHT

419

MIL Control

6

--

--

Not Used

7

LT BLU/WHT

1747

IAC Valve Coil A High

8-9

--

--

Not Used

10

PPL

412

HO2 Sensor 1 Signal

11

PPL/WHT

1668

HO2 Sensor 2 Signal

12-15

--

--

Not Used

16

WHT

776

Transaxle Range Switch P

17

RED

1226

Transmission Fluid Pressure Switch Signal C

18

BLK/WHT

771

Transaxle Range Switch A

19

TAN/BLK

231

Engine Oil Pressure Switch Input

20-21

--

--

Not Used

22

DK GRN/WHT

762

A/C Request Signal (C60/CJ3)

23

PPL

806

Crank Input (Hot in Start Only)

24

PNK

439

Ignition 1 Positive Voltage (Hot in Run / Bulb Test / Start)

25

LT GRN

432

MAP Sensor Signal

26

YEL

410

ECT Sensor Signal

27

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

28

BRN

1456

EGR Pintle Position Signal

29

-

--

Not Used

30

GRY/BLK

2702

EGR 5 Volt Reference A

31-32

--

--

Not Used

33

GRY

2701

TP Sensor 5 Volt Reference A

34

GRY

474

Fuel Tank Pressure (FTP)/AC Pressure Sensor 5 Volt Reference B

35

BLK

452

Sensor Ground

36

--

--

Not Used

37

BLK/WHT

3113

O2

38

--

--

Not Used

39

DK GRN/WHT

459

A/C Compressor Clutch Relay Control

40-41

--

--

Not Used

42

LT BLU/BLK

844

Fuel Injector #4 Control

43

--

--

Not Used

44

LT BLU/BLK

1748

IAC Valve Coil A Low

45

RED/BLK

1228

PC Solenoid Valve High Control ( Sol, A)

46

LT BIU/WHT

1229

PC Solenoid Valve Low Control ( Sol, A)

47-48

--

--

Not Used

49

LT GRN/BLK

444

IAC Valve Coil B Low

50

TAN

472

Intake Air Temperature (IAT) Sensor

51-54

--

--

Not Used

55

DK GRN

890

Fuel Tank Pressure Sensor Input (Signal)

56

GRY

773

Transaxle Range Switch C

57

DK BLU

1225

Transmission Fluid Pressure Switch Signal B

58

BRN

1174

Engine Oil Level Switch Input

59

WHT

85

Cruise Engaged Input (Status)

60

--

--

Not Used

61

RED

225

Generator L Terminal Control

62

--

--

Not Used

63

YEL

657

TCC Release Switch Signal

64-65

--

--

Not Used

66

DK BLU

417

Throttle Position (TP) Sensor Signal

67

--

--

Not Used

68

YEL/BLK

1227

Transaxle Fluid Temperature (TFT) Sensor Signal

69

PPL

1589

Fuel Level Sensor Input

70

LT GRN

1867

CKP Battery Positive Voltage

71

--

--

Not Used

72

RED/WHT

812

CMP Sensor Battery Positive Voltage

73

BLK

407

CMP Sensor Ground

74

YEL/BLK

1868

CKP Sensor Ground

75

BRN

436

AIR Pump Relay Control

76

YEL/BLK

625

Starter Enable Control

77

--

--

Not Used

78

BRN

418

TCC PWM Solenoid Control

79

--

--

Not Used

80

TAN

413

HO2S Low Signal