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2001 LS1 Factory PCM Pinouts

Page history last edited by Greg 14 years, 3 months ago

 

2001 LSX PCM PINOUTS

 

2001 Power-train Control Module (PCM) Connector End Views

 

     

Connector C1 / Blue

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

451

PCM 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

5-7

--

--

Not Used

8

GRA

596

5 Volt Reference

9-10

--

--

Not Used

11

LT BLU

1876

KS [2] Signal

12

DK BLU/WHT

1869

CKP Sensor Signal

13-16

--

--

Not Used

17

DK BLU

1225

Transmission Fluid Pressure Switch Signal B

18

ORN

1226

Transmission Fluid Pressure Switch Signal C

19

PNK

439

Ignition 1 Voltage

20

RD/WHT

340

Battery Positive Voltage

21

YEL/BLK

1868

Low Reference

22

--

--

Not Used

23

GRA

720

Low Reference

24

--

--

Not Used

25

TAN

1671

HO2S Low Signal [Bank 2 Sensor 2]

26

TAN

1667

HO2S Low Signal [Bank 2 Sensor 1]

27

--

--

Not Used

28

TAN/WHT

1669

HO2S Low Signal [Bank 1 Sensor X]

29

TAN/WHT

1653

HO2S Low Signal [Bank 1 Sensor 1]

30-31

--

--

Not Used

32

GRY

48

CPP Switch Signal

33

PPL

420

TCC Brake Switch Signal

34

ORN/BLK

434

Neutral Safety Switch Signal

35

--

--

Not Used

36

TAN

1744

Fuel Injector 1 Control

37

YEL/BLK

846

Fuel Injector 6 Control

38-39

--

--

Not Used

40

BLK/WHT

451

Ground

41

--

--

Not Used

42

DK GRN

335

Low Speed Cooling Fan Relay Control

43

ORN/BLK

877

Fuel Injector 7 Control

44

LT BLU/BLK

844

Fuel Injector 4 Control

45

GRA

474

5 Volt Reference (A/C Refrigerant Pressure Sensor)

46

GRA

474

5 Volt Reference (Fuel Tank Pressure Sensor)

47

--

--

Not Used

48

GRA

416

5 Volt Reference (MAP Sensor)

49-50

--

--

Not Used

51

DK BLU

496

KS [1] Signal

52

--

--

Not Used

53

TAN

407

Low Referecne (Transmission Temperature Sensor)

54

TAN

407

Low Reference (MAP Sensor Ground)

55

--

--

Not Used

56

--

--

Not Used

57

RD/WHT

340

Battery Positive Voltage

58

DK GRN

1049

ECM/PCM/VCM Class 2 Serial Data

59

--

--

Not Used

60

TAN

452

Low Reference

61

PNK/BLK

632

Low Reference (Camshaft Position Sensor)

62-64

--

--

Not Used

65

PPL

1670

HO2S High Signal [Bank 2 Sensor 2]

66

PPL

1666

HO2S High Signal [Bank 2 Sensor 1]

67

--

--

Not Used

68

PPL/WHT

1668

HO2S High Signal [Bank 1 Sensor X]

69

PPL/WHT

1665

HO2S High Signal [Bank 1 Sensor 1]

70

BRN

1174

Oil Level Switch Signal

71-72

--

--

Not Used

73

BRN/WHT

633

CMP Sensor Signal

74

YEL

410

ECT Sensor Signal

75

--

--

Not Used

76

TAN/WHT

845

Fuel Injector 5 Control

77

DK BLU/WHT

878

Fuel Injector 8 Control

78

--

--

Not Used

79

GRA or WHT

587 or 687

Skip Shift Solenoid Control (M/T) or 3-2 Shift Solenoid Control (A/T)

80

TAN

407

Low Reference

 

 

     

Connector C2 / Red

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

451

Ground

2

BRN

418

TCC Solenoid - Output - PWM

3

--

--

Not Used

4

PPL

421

Air Injection Reaction Solenoid Relay - Coil - Control

5

--

--

Not Used

6

ORN/BLK

1228

PC Solenoid Valve High Control (Sol.A)

7

--

--

Not Used

8

LT BLU/WHT

1229

PC Solenoid Valve Low Control (Sol.A)

9

DK GRN/WHT

465

Fuel Pump Relay Control [Primary]

10

WHT

121

Engine Speed Signal

11-12

--

--

Not Used

13

WHT

85

Cruise Control Engage Signal

14

ORN/BLK

380

A/C Refrigerant Pressure Sensor Signal

15

ORN

225

Generator Turn ON Signal

16

--

--

Not Used

17

DK GRN/WHT

762

A/C Request Signal

18

DK GRN

59

A/C Compressor Clutch Supply Voltage

19

--

--

Not Used

20

LT GRN/BLK

822

VSS Low Signal

21

PPL/WHT

821

VSS High Signal

22-23

--

--

Not Used

24

DK BLU

417

TP Sensor Signal

25

TAN

472

IAT Sensor Signal

26

PPL

2121

IC 1 Control

27

ORN

2127

IC 7 Control

28

LT BLU/WHT

2126

IC 6 Control

29

DK GRN/WHT

2124

IC 4 Control

30

DK BLU

229

Fuel Enable Control

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

DK GRN

83

Cruise Control Inhibit Signal

38

--

--

Not Used

39

ORN

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 Clutch Relay Control

44

LT GRN

1652

Reverse Lock Out Solenoid Control

45

WHT

1310

EVAP Canister Vent Solenoid Control

46

BRN/WHT

419

MIL Control

47

YEL/BLK

1223

2 - 3 Shift Solenoid Valve Control

48

LT GRN

1222

1 - 2 Shift Solenoid Valve Control

49

--

--

Not Used

50

DK GRN/WHT

817

VSS Signal

51

YEL/BLK

1227

TFT Sensor Signal

52

--

--

Not Used

53

GRA/BLK

1687

Ignition Retard Signal

54

PPL

1589

Fuel Level Sensor Signal

55-56

--

--

Not Used

57

PPL

719

Low Reference

58-59

--

--

Not Used

60

BRN

2129

Low Reference

61

BRN/WHT

2130

Low Reference

62

--

--

Not Used

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

ORN/WHT

2122

IC 2 Control

68

DK GRN

2125

IC 5 Control

69

LT BLU

2123

IC 3 Control

70-75

--

--

Not Used

76

LT GRN/WHT

1749

IAC Coil B High Control

77

LT GRN/BLK

444

IAC Coil B Low Control

78

LT BLU/BLK

1748

IAC Coil A Low Control

79

LT BLU/WHT

1747

IAC Coil A High Control

80

--

--

Not Used

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