GM Service Manual Online
For 1990-2009 cars only
Table 1: Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)
Table 2: Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)
Table 3: Camshaft Position (CMP) Sensor (VIN M)
Table 4: Crankshaft Position (CKP) Sensor (7X), (VIN M)
Table 5: Crankshaft Position (CKP) Sensor (VIN 1, K)
Table 6: Engine Coolant Temperature (ECT) Sensor (VIN M)
Table 7: Evaporative Emission Canister Purge Solenoid Valve (VIN M)
Table 8: EVAP Canister Vent Solenoid Valve
Table 9: Exhaust Gas Recirculation (EGR) Valve (VIN 1, K)
Table 10: Fuel Injectors (VIN 1, K)
Table 11: Fuel Tank Pressure Sonsor, C2 (VIN 1, K)
Table 12: Fuel Tank, C1
Table 13: Heated Oxygen Sensor 1 (HO2S 1) (VIN M)
Table 14: Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)
Table 15: Idle Air Control (IAC) Valve (VIN 1, K)
Table 16: Ignition Control Module (ICM), C1 (VIN M)
Table 17: Ignition Control Module (ICM), C2 (VIN M)
Table 18: Ignition Control Module (ICM), C3 (VIN M)
Table 19: Intial Air Temperature Sensor
Table 20: Camshaft Position (CMP) Sensor (VIN M)
Table 21: Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)
Table 22: Powertrain Control Module, C1 (VIN M)
Table 23: Powertrain Control Module, C2 (VIN M)
Table 24: Thottle Position (TP) Sensor (VIN M)
Table 25: Transaxle Range Switch, C1 (VIN 1, K)
Table 26: Transaxle Range Switch, C2 (VIN 1, K)
Table 27: Vehicle Speed Sensor (VSS), (VIN M)

Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)


Object Number: 280761  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Heated Oxygen Sensor 1 (HO2S 1) Low

B

PPL

412

Heated Oxygen Sensor 1 (HO2S 1) Signal

C

BLK

1050

Ground

D

BRN

839

Fused Output-IGN 1

Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)


Object Number: 280761  Size: CH

Connector Part Information

    • 12160485
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Heated Oxygen Sensor (HO2S 2) Low (Rear of Converter)

B

PPL/WHT

1668

Heated Oxygen Sensor 2 (HO2S 2) Signal (Rear of Converter)

C

BLK

1050

Ground

D

PNK

839

Fused Output-IGN 1

Camshaft Position (CMP) Sensor (VIN M)


Object Number: 68730  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metric-Pack 150.2 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

812

Reference Voltage Feed-12 Volts

B

BLK

633

Camshaft Position Sensor Siganl

C

BLK

407

Sensor Return

Crankshaft Position (CKP) Sensor (7X), (VIN M)


Object Number: 232831  Size: CH

Connector Part Information

    • 121162194
    • 2-Way F Metric-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position Sensor Signal

B

PPL

574

Crankshaft Position Sensor Return

Crankshaft Position (CKP) Sensor (VIN 1, K)


Object Number: 280765  Size: CH

Connector Part Information

    • 12162834
    • 4-Way F Metric-Pack 150.2 Series Pull to Seat(GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1800

Crankshaft Position (CKP) Sync Signal

B

YEL

573

Crankshaft Position (CKP) 7X Reference Signal-High

C

BLK/WHT

836

Camshaft Position (CMP) Sensor Ground

D

WHT/BLK

644

Canshaft Position (CMP) Sensor Battery Positive Voltage

Engine Coolant Temperature (ECT) Sensor (VIN M)


Object Number: 258299  Size: CH

Connector Part Information

    • 12078090
    • 3-Way F Metric-Pack 150 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Temperature Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

C

DK GRN

135

Coolant Temperature Sensor Signal

Evaporative Emission Canister Purge Solenoid Valve (VIN M)


Object Number: 35437  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metric-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fused Output-IGN 1

B

DK GRN/WHT

428

EVAP Canister Purge Valve Solenoid Output

EVAP Canister Vent Solenoid Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fused Output-IGN 1

B

WHT

1310

Canister Vent Valve Solenoid Output

Exhaust Gas Recirculation (EGR) Valve (VIN 1, K)


Object Number: 68773  Size: CH

Connector Part Information

    • 12186056
    • 5-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

Exhaust Gas Recirculation (EGR) Solenoid

B

BLK

2753

EGR Pintle Position Sensor Ground

C

BRN

1456

Exhaust Gas Recirculation (EGR) Pintle Position Siganl

D

GRY

2702

5 Volt Reference

E

WHT

257

EGR Vent Solenoid Output

Fuel Injectors (VIN 1, K)


Object Number: 258295  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Metric-Pack 280.1 Series Sealed Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Output-IGN 1

B

BLK

1744

Fuel Injector 1 Output

B

LT GRN/BLK

1745

Fuel Injector 2 Output

B

PNK/BLK

1746

Fuel Injector 3 Output

B

LT BLU/BLK

844

Fuel Injector 4 Output

B

BLK/WHT

845

Fuel Injector 5 Output

B

YEL/BLK

846

Fuel Injector 6 Output

Fuel Tank Pressure Sonsor, C2 (VIN 1, K)


Object Number: 62453  Size: CH

Connector Part Information

    • 12052644
    • 3-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Fuel Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Signal

C

GRY/BLK

416

5 Volt Sensor Feed

Fuel Tank, C1


Object Number: 258300  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

30

Fuel Gauge Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

650

Ground

D

BLK/WHT

651

PCM Sensor Ground

Heated Oxygen Sensor 1 (HO2S 1) (VIN M)


Object Number: 280761  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Heated Oxygen Sensor, Sensor 1 (HO2S 1) Low

B

PPL

412

Heated Oxygen Sensor, Sensor 1 (HO2S 1) Signal

C

BLK

1050

Ground

D

PNK

839

Fused Output-IGN 1

Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)


Object Number: 280761  Size: CH

Connector Part Information

    • 12160485
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Heated Oxygen Sensor (HO2S 2) Low (Rear of Converter)

B

PPL/WHT

1668

Heated Oxygen Sensor 2 (HO2S 2) Signal (Rear of Converter)

C

BLK

1050

Ground

D

PNK

839

Fused Output-IGN 1

Idle Air Control (IAC) Valve (VIN 1, K)


Object Number: 38608  Size: CH

Connector Part Information

    • 12162190
    • 4-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

IAC Coil B Low

B

LT GRN/WHT

1749

IAC Coil B High

C

LT BLU/BLK

17n48

IAC Coil A Low

D

LT BLU/WHT

1747

IAC Coil A High

Ignition Control Module (ICM), C1 (VIN M)


Object Number: 40442  Size: CH

Connector Part Information

    • 12162261
    • 6-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

424

Bypass Control

B

TAN/BLK

424

Ignition Control

C-D

--

--

Not Used

E

PPL/WHT

430

3 X Reference Signal

F

RED/BLK

453

Reference Low

Ignition Control Module (ICM), C2 (VIN M)


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

51

Ground

B

PNK

239

Fuse Ignition 1 Feed

Ignition Control Module (ICM), C3 (VIN M)


Object Number: 73223  Size: CH

Connector Part Information

    • 12162184
    • 3-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position (CKP) Sensor Signal

B

--

--

Not Used

C

PPL

574

Crankshaft Position (CKP) Sensor Return

Intial Air Temperature Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162199
    • 2-Way F Metric-Pack 150.2 Series, Pull TO Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Fused Output-Battery Feed

B

TAN

472

Manifold Absolute Temperature Sensor Signal

Camshaft Position (CMP) Sensor (VIN M)


Object Number: 68730  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metric-Pack 150.2 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

812

Reference Voltage Feed-12 Volts

B

BLK

633

Camshaft Position Sensor Siganl

C

BLK

407

Sensor Return

Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)


Object Number: 280761  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Heated Oxygen Sensor 1 (HO2S 1) Low

B

PPL

412

Heated Oxygen Sensor 1 (HO2S 1) Signal

C

BLK

1050

Ground

D

BRN

839

Fused Output-IGN 1

Powertrain Control Module, C1 (VIN M)


Object Number: 73173  Size: CH

Connector Part Information

    • Natural PCM Connector C1
    • Body - 12191110
    • TPA - 12160569
    • Terminals - 12084913
    • Shield - 12160921

Pin

Wire Color

Circuit No.

Function

1

BLK

2762

TFT Return

2-3

--

--

Not Used

4

LT GRN

1222

Shift Solenoid A Control (1-2 Shift Soleniod Valve)

5

DK BLU

473

High Speed Fans Control

6

DK GRN

335

Low Speed Fans Control

7

BLK

630

Camshaft Position PCM Input

8

PPL/WHT

430

3 X Reference

9

LT BLU/BLK

647

24 X Reference

10

GRY

2704

MAP Reference

11-12

--

--

Not Used

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

PP

1500

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

20

ORN

540

Battery Positive Voltage

21-27

--

--

Not Used

28

TAN/WHT

1669

HO2S Sensor 2 Signal Low

29

TAN

413

HO2S Sensor 1 Signal Low

30

PPL

420

TCC Brake Switch Input

31

BLK

2753

EGR Pintle Position Sensor Ground

32

GRY

435

EGR Valve Ignition Positive Voltage

33

DK BLU

496

Bank 1 KS Signal

34-37

--

--

Not Used

38

LT GRN/WHT

1749

IAC Valve B High

39-42

--

--

Not Used

43

BLK

1744

Fuel Injector 1 Control

44

YEL/BLK

1223

Shift Solenoid B Control (2-3 Shift Solenoid Valve)

45

--

--

Not Used

46

PNK/BLK

1746

Fuel Injector 3 Control

47

LT GRN/BLK

1745

Fuel Injector 2 Control

48

RED/BLK

453

Reference Low

49-52

--

--

Not Used

53

TAN/BLK

424

Bypass

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 II Serial Data

59

--

--

Not Used

60

BLK/WHT

451

PCM Ground

61

BLK

2752

Throttle Position (TP) Ground

62-63

--

--

Not Used

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 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 Control

77-78

--

--

Not Used

79

YEL/BLK

846

Fuel Injector #6 Control

80

BLK

2751

A/C Pressure Return

Powertrain Control Module, C2 (VIN M)


Object Number: 73173  Size: CH

Connector Part Information

    • Natural PCM Connector C2
    • Body - 12191110
    • TPA - 12160569
    • Terminals - 12084913
    • Shield - 12160921

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

WHT

1310

EVAP Canister Vent Valve Solenoid Control

3

DK GRN/WHT

465

Fuel Pump Relay Control

4

WHT

257

EGR Valve Control

5

BRN/WHT

419

MIL Control

6

--

--

Not Used

7

LT BLU/WHT

1747

IAC Valve A High

8-9

--

--

Not Used

10

PPL

412

HO2S Sensor 1 Signal High

11

PPL/WHT

1668

HO2S Sensor 2 Signal High

12-15

--

--

Not Used

16

WHT

776

Transaxle Range Switch P

17

--

--

Not Used

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

23

PPL

806

Ignition Positive Voltage (Hot in Start Only)

24

PNK

439

Ignition Positive Voltage (Hot in Run / Bul 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

GRY

23

Generator F Terminal Monitor

30-32

--

--

Not Used

33

GRY

2701

TPS Reference Thottle Position Switch

34

GRY

474

5 Volt Reference B

35

BLK

452

Sensor Ground

36-38

--

--

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 A Low

45-48

--

--

Not Used

49

LT GRN/BLK

444

IAC Valve B Low

50

TAN

472

Intake Air Temperature (IAT) Sensor

51-54

--

--

Not Used

55

DK GRN

890

Fuel Tank Pressure Sensor Signal

56

GRY

773

Transaxle Range Switch C

57

--

--

Not Used

58

BRN

1174

Engine Oil Level Switch Input

59

WHT

85

Cruise Status

60

--

--

Not Used

61

RED

225

Generator L Terminal Control

62-65

--

--

Not Used

66

DK BLU

417

Throttle Position (TP) Sensor Signal

67

--

--

Not Used

68

YEL/BLK

1227

Transaxle Fluid Temperature (TFT) Sensor

69

PPL

1589

Fuel Level Sensor Input

70

LT GRN

1867

CKP Sensor Feed-12 Volts

71

--

--

Not Used

72

RED/WHT

812

CMP/CKP Sensor Battery Positive Voltage

73

BLK

407

CMP/CKP Sensor Ground

74

YEL/BLK

1868

CKP Sensor Return

75

--

--

Not Used

76

YEL/BLK

625

Starter Enable Control

77

--

--

Not Used

78

BRN

418

TCC PWM Solenoid Control

79

TAN/BLK

422

TCC Solenoid Control

80

--

--

Not Used

Thottle Position (TP) Sensor (VIN M)


Object Number: 68730  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

2701

Reference Votlage Feed-12 Volts

B

BLK

2752

Sensor Return

C

DK BLU

417

Thottle Positon Sensor Signal

Transaxle Range Switch, C1 (VIN 1, K)


Object Number: 68780  Size: CH

Connector Part Information

    • 12129840
    • 7-Way F Metric-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

434

P/N Input

B-C

--

--

Not Used

D

BLK

1050

Ground

E

PPL

6

Crank Relay Output-Coil

F

--

--

Not Used

G

YEL

1737

Crank Relay Output

Transaxle Range Switch, C2 (VIN 1, K)


Object Number: 40412  Size: CH

Connector Part Information

    • 12191757
    • 4-Way F Metric-Pack 150 Series Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Transaxle Range Switch Signal -Parity BIT

B

YEL

772

Transaxle Range Switch Signal -2 BIT

C

GRY

773

Transaxle Range Switch Signal -3 BIT

E

BLK/WHT

771

Transaxle Range Switch Signal -1 BIT

Vehicle Speed Sensor (VSS), (VIN M)


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Sensor Signal

B

BLK/WHT

451

PCM Ground