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

Powertrain Control Module (PCM) Connector C1 Blue


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

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

20

ORN

480

Battery Positive Voltage (B+)

21

DK BLU

417

TP Sensor Signal

22-24

--

--

Not Used

25

ORN

406

Ignition Control B

26

WHT

423

Ignition Control A

27

TAN/BLK

231

Engine Oil Pressure Switch Signal

28

RED

1226

Transaxle Range C Input

29

BLK/WHT

771

PNP Switch Input A

30-32

--

--

Not Used

33

DK BLU

496

KS Signal

34

--

--

Not Used

35

PPL

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

47-48

--

--

Not Used

49

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

50-51

--

--

Not Used

52

BLK

552

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

452

TP Sensor Ground

58

PPL

1807

Serial Data (Class 2)

59

PPL

1807

Serial Data (Class 2)

60

TAN/WHT

551

PCM Ground

61

--

--

Not Used

62

LT GRN

432

MAP Sensor Signal

63

RED/BLK

1230

A/T ISS Sensor High

64

YEL

400

VSS High

65-66

--

--

Not Used

67

DK BLU

1225

Transaxle Range B Input

68

PNK

1224

Transaxle Range A Input

69

YEL

772

TR Switch Input B

70-71

--

--

Not Used

72

GRY

773

TR Switch Input C

73

WHT

776

TR Switch Input P

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

BLK/WHT

1704

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

BRN

718

ECT Sensor Ground

28

GRY

720

IAT Sensor Ground

29

BLK

407

TFT Sensor Ground

30

--

--

Not Used

31

RED/BLK

453

ICM Reference Low (Ground)

32

--

--

Not Used

33

GRY

416

TP Sensor 5 Volt Reference

34

GRY

596

A/C Refrigerant Pressure Sensor 5 Volt Reference

35

GRY

474

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

50

TAN/BLK

422

TCC Solenoid Control (3 Speed Automatic Transmission Only)

51

YEL/BLK

1223

2-3 SS Valve Control

52

--

--

Not Used

53

LT GRN

1222

1-2 SS Valve Control

54

DK GRN

335

Cooling Fan Relay Control

55

DK GRN/WHT

459

A/C Compressor Clutch Relay Control

56

DK GRN/WHT

428

EVAP Canister Purge Solenoid Valve Driver

57

BRN

418

TCC PWM Solenoid Valve Control

58

WHT

1310

EVAP Canister Vent Solenoid Driver

59-60

--

--

Not Used

61

PPL

401

VSS Low

62

DK BLU/WHT

1231

A/T ISS Sensor Low

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