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

Powertrain Control Module (PCM) Connector C1


Object Number: 53524  Size: CF

Connector Part Information

    • 12191110
    • 80-Way F Micro-Pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

1-5

--

--

Not Used

6

BLK

2759

Fuel Tank Pressure Sensor Ground

Fuel Level Sensor Ground

7

BRN/WHT

633

CMP Sensor Signal

8

PPL/WHT

430

CKP 7x Reference Signal

9

--

--

Not Used

10

GRY

2709

Fuel Tank Pressure Sensor 5 Volt Reference

11-17

--

--

Not Used

18

BLK/WHT

451

PCM Ground

19

PNK

639

Ignition Positive Voltage (2)

20

ORN

480

Battery Positive Voltage (B+)

21

DK BLU

417

TP Sensor Signal

22-24

--

--

Not Used

25

ORN

406

Ignition Control Output 2-3

26

WHT

423

Ignition Control Output 1-4

27

TAN/BLK

231

Engine Oil Pressure Sensor Signal

28

RED

1226

Transaxle Range C Input (Automatic Transmission Only)

C1-29

BLK/WHT

771

TR Switch Input A (Automatic Transmission Only)

30-31

--

--

Not Used

32

GRY

1716

KS Reference Low

33

--

--

Not Used

34

DK BLU

496

KS Signal

35

BRN/WHT

420

TCC Brake Switch Input

36-44

--

--

Not Used

45

DK GRN

890

Fuel Tank Pressure Sensor Signal

46

YEL/BLK

1227

TFT Sensor Signal (Automatic Transmission Only)

47-48

--

--

Not Used

49

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

50-51

--

--

Not Used

52

BLK

2751

A/C Refrigerant Pressure Sensor Ground

53

GRY

23

Generator Terminal F Input

54

YEL

410

ECT Sensor Signal

55

PPL

1589

Fuel Level Input 5 Volt Reference

56

--

--

Not Used

57

BLK

2752

TP Sensor Ground

58

--

--

Not Used

59

PPL

1807

Serial Data (Class II)

60

BLK/WHT

451

PCM Ground

61

PPL

1500

Ignition Positive Voltage (1)

62

LT GRN

432

MAP Sensor Signal

63

RED/BLK

1230

A/T ISS Sensor High (Automatic Transmission Only)

64

YEL

400

VSS High

65-66

--

--

Not Used

67

DK BLU

1225

Transaxle Range B Input (Automatic Transmission Only)

68

PNK

1224

Transaxle Range A Input (Automatic Transmission Only)

69

YEL

772

TR Switch Input B (Automatic Transmission Only)

70-71

--

--

Not Used

72

GRY

773

TR Switch Input C (Automatic Transmission Only)

73

WHT

776

TR Switch Input P (Automatic Transmission Only)

74

RED

225

Generator Terminal L Output

75

BLK

1744

Fuel Injector #1 Driver

76

LT GRN/BLK

1745

Fuel Injector #2 Driver

77-80

--

--

Not Used

Powertrain Control Module (PCM) Connector C2


Object Number: 53524  Size: CF

Connector Part Information

    • 12191110
    • 80-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1-5

--

--

Not Used

6

RED/BLK

1228

PC Solenoid High Control

7

--

--

Not Used

8

DK GRN/WHT

465

Fuel Pump Relay Control

9

LT BLU/WHT

1229

PC Solenoid Low Control

10-13

--

--

Not Used

14

ORN/BLK

469

MAP Sensor Ground

15

--

--

Not Used

16

DK GRN/WHT

817

VSS Output

17-19

--

--

Not Used

20

TAN

472

IAT Sensor Signal

21

TAN

413

O2S 1 Low

22

PPL

412

O2S 1 Signal

23

TAN/WHT

1669

HO2S 2 Low

24

PPL/WHT

1668

HO2S 2 Signal

25-26

--

--

Not Used

27

BLK/WHT

2761

ECT Sensor Ground

28

BLK

2760

IAT Sensor Ground

29

WHT/BLK

2762

TFT Sensor Ground (Automatic Transmission Only)

30

--

--

Not Used

31

RED/BLK

453

ICM Reference Low

32

--

--

Not Used

33

GRY/BLK

2701

TP Sensor 5 Volt Reference

34

GRY

2700

A/C Refrigerant Pressure Sensor 5 Volt Reference

35

BRN

2704

MAP Sensor 5 Volt Reference

36

RED

631

CMP Sensor Ignition Positive Voltage

37-44

--

--

Not Used

45

DK GRN

83

Cruise Disable Output

46

BRN/WHT

419

MIL Control

47

--

--

Not Used

48

LT BLU/BLK

396

Cruise Engaged Input

49

YEL

657

TCC Release Switch Input (Automatic Transmission Only)

50

--

--

Not Used

51

YEL/BLK

1223

2-3 SS Valve Control (Automatic Transmission Only)

52

--

--

Not Used

53

LT GRN

1222

1-2 SS Valve Control (Automatic Transmission Only)

54

DK GRN

335

LH Fan Control

55

DK GRN/WHT

459

A/C Compressor Clutch Relay Control

56

DK GRN/WHT

428

EVAP Canister Purge Valve Driver

57

BRN

418

TCC PWM Solenoid Valve Control (Automatic Transmission Only)

58

WHT

1310

EVAP Canister Vent Solenoid Driver

59

DK BLU

473

RH Fan Control

60

--

--

Not Used

61

PPL

401

VSS Low

62

DK BLU/WHT

1231

A/T ISS Sensor Low (Automatic Transmission Only)

63

PNK/BLK

632

CMP Sensor Ground

64

BLK/WHT

451

PCM Ground

65-70

--

--

Not Used

71

LT BLU/WHT

1747

IAC Coil A High

72

LT GRN/WHT

1749

IAC Coil B High

73

LT GRN/BLK

444

IAC Coil B Low

74

LT BLU/BLK

1748

IAC Coil A Low

75

LT BLU/BLK

844

Fuel Injector #4 Driver

76

PNK/BLK

1746

Fuel Injector #3 Driver

77-80

--

--

Not Used