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

Powertrain Control Module (PCM) C1


Object Number: 1332467  Size: CH

Connector Part Information

  • OEM Assembly: 15357131
  • OEM Connector: 15357133/13007928
  • Service: See Catalog
  • Description: 73-Way F Micro 64 Series (BK)

Powertrain Control Module (PCM) C1

Pin

Wire Color

Circuit No.

Function

1

BK/WH

3113

HO2S Heater Control - Bank 1 Sensor 1

2

GN/WH

3212

HO2S Heater Control - Bank 2 Sensor 1

3

BK/WH

3122

HO2S Heater Low Control - Bank 1 Sensor 2

4

GN/RD

3223

HO2S Heater Low Control - Bank 2 Sensor 2

5

BN

1744

Fuel Injector 1 Control

6

RD

1745

Fuel Injector 2 Control

7

BU

1746

Fuel Injector 3 Control

8

YE

844

Fuel Injector 4 Control

9

BK/RD

845

Fuel Injector 5 Control

10

WH/BU

846

Fuel Injector 6 Control

11

RD

1525

Transmission Linear A Solenoid Valve High Control

12

WH

1991

Transmission Linear A Solenoid Valve Low Control

13

BN/WH

1526

Transmission Linear B Solenoid Valve High Control

14

D-GN

1992

Transmission Linear B Solenoid Valve Low Control

15

GN/RD

1527

Transmission Linear C Solenoid Valve High Control

16

RD/BU

1993

Transmission Linear C Solenoid Valve Low Control

17

GN/RD

2032

ECT Sensor 2 Signal

18

WH/BK

5763

EGR Valve Position Signal

19

BU/BK

6737

Rocker Arm Oil Pressure Switch Signal

20

BU

573

CKP Sensor A Signal

21

YE

633

CMP Sensor Signal

22

BU/RD

1800

CKP Sensor B Signal

23

D-BU

400

OSS High Signal

24

RD

1230

AT ISS High Signal

25

RD/BU

6732

HO2S Low Reference Bank 2 Sensor 1

26

RD/WH

6733

HO2S Reference Voltage - Bank 2 Sensor 1

27

GN/RD

6734

HO2S Input Pump Current - Bank 2 Sensor 1

28

WH/RD

6735

HO2S Pump Current - Bank 2 Sensor 1

29

D-BU

6728

HO2S Low Reference - Bank 1 Sensor 1

30

RD

6729

HO2S Reference Voltage - Bank 1 Sensor 1

31

D-GN

6730

HO2S Input Pump Current - Bank 1 Sensor 1

32

WH

6731

HO2S Pump Current - Bank 1 Sensor 1

33

D-GN

1688

HO2S Signal - Bank 1 Sensor 2

34

WH

1670

HO2S Signal - Bank 2 Sensor 2

35

WH

380

A/C Refrigerant Pressure Sensor Signal

36

RD/YE

6118

IAT Sensor 2 Signal

37

WH/RD

23

Generator Field Duty Cycle

38

RD/BU

496

KS Signal

39

YE/BU

605

5-Volt Reference B

40

GN/YE

2751

Low Reference

41

GN/WH

6741

ETC Motor Inhibit

42

YE/RD

114

Oil Pressure Switch Signal

43

BU/WH

6746

3rd Clutch Pressure Switch Signal

44

BU/YE

6747

4th Clutch Pressure Switch Signal

45

YE/GN

2121

Ignition Coil 1 Control

46

BU/RD

2122

Ignition Coil 2 Control

47

WH/BU

2123

Ignition Coil 3 Control

48

BN

2124

Ignition Coil 4 Control

49

BK/RD

2125

Ignition Coil 5 Control

50

BN/WH

2126

Ignition Coil 6 Control

51

BN/YE

451

Ground

52

BN/YE

451

Ground

53

D-BU

6739

ETC Control

54

D-GN

6738

ETC Signal

55

BU/YE

1227

TFT Sensor Signal

56

RD/WH

410

ECT Sensor 1 Signal

57

WH/BU

225

Generator Turn On Signal

58

GN/RD

432

MAP Sensor Signal

59

YE/RD

474

5-Volt Reference A

60

GN/WH

469

Low Reference

61-62

--

--

Not Used

63

BU/YE

1222

Shift Solenoid Valve 1 High Control

64

D-GN/WH

1223

Shift Solenoid Valve 2 High Control

65

D-GN

898

Shift Solenoid Valve 3 High Control

66

YE

5501

TCC Pressure Control Solenoid Valve High Control

67

BU/RD

435

EGR Solenoid Control

68

RD/YE

428

EVAP Canister Purge Solenoid Control

69

GN/YE

6736

Rocker Arm Oil Actuator Control

70

WH

5290

Ignition 1 Voltage

71

RD

639

Ignition 1 Voltage

72

BN

1440

Battery Positive Voltage

73

BK

450

Ground

Powertrain Control Module (PCM) C2


Object Number: 1228485  Size: CH

Connector Part Information

  • OEM Assembly: 15357147
  • OEM Connector: 15357150
  • Service: See Catalog
  • Description: 56-Way F Micro 64 Series (BU)

Powertrain Control Module (PCM) C2

Pin

Wire Color

Circuit No.

Function

1

WH/BK

1164

5-Volt Reference A

2

D-BU

1161

APP Sensor 1 Signal

3

BN

1271

Low Reference

4

GY

2709

5-Volt Reference B

5

D-GN

890

Fuel Tank Pressure Sensor Signal

6

BK

2759

Low Reference

7

PU

1589

Fuel Level Sensor Signal

8

BN/WH

6281

Low Reference

9

--

--

Not Used

10

BK

2760

Low Reference

11

TN

472

IAT Sensor 1 Signal

12-14

--

--

Not Used

15

TN

1274

5-Volt Reference B

16

L-BU

1162

APP Sensor 2 Signal

17

PU

1272

Low Reference

18-20

--

--

Not Used

21

GY

397

Cruise On/Off Switch Signal

22

D-BU

84

Cruise Set/Coast Switch Signal

23

GY/BK

87

Cruise Resume/Accel Switch Signal

24

PU

420

Cruise Control Release Signal

25

L-BU

20

Stop Lamp Switch Signal

26-28

--

--

Not Used

29

TN

2501

High Speed GMLAN Serial Data Bus -

30

TN/WH

2500

High Speed GMLAN Serial Data Bus +

31

BN/WH

2960

Keyword Serial Data

32

BU

6742

A/T 1st Gear Signal

33

YE/GN

6744

A/T 2nd Gear Signal

34

RD

6743

A/T Drive Signal

35

YE

1479

A/T Neutral Signal

36

D-GN/WH

1932

A/T Park Signal

37

L-BU

2182

A/T Reverse Signal

38

BU/YE

6745

A/T 2nd Drive Signal

39-41

--

--

Not Used

42

D-BU

473

High Speed Cooling Fan Relay Control

43-49

--

--

Not Used

50

WH

1310

EVAP Canister Vent Solenoid Control

51-52

--

--

Not Used

53

D-GN/WH

459

A/C Compressor Clutch Relay Control

54

BN

5069

Main Relay Control

55

D-GN/WH

465

Fuel Pump Relay Control

56

D-GN

335

Low Speed Cooling Fan Relay Control