GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Pressure Sensor
Table 2: ABS/TCC Switch
Table 3: Camshaft Position (CMP) Sensor
Table 4: Crankshaft Position (CKP) Sensor A
Table 5: Crankshaft Position (CKP) Sensor B
Table 6: Engine Coolant Temperature (ECT) Sensor
Table 7: Evaporative Emissions (EVAP) Canister Purge Valve
Table 8: Evaporative Emissions (EVAP) Canister Vent Valve
Table 9: Exhaust Gas Recirculation (EGR) Valve
Table 10: Fuel Injectors
Table 11: Fuel Sender
Table 12: Fuel Tank Pressure Sensor
Table 13: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 14: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 15: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 16: Idle Air Control (IAC) Valve
Table 17: Ignition Control (IC) Module -- Front Bank
Table 18: Ignition Control (IC) Module -- Rear Bank
Table 19: Knock Sensor (KS)
Table 20: Manifold Absolute Pressure (MAP) Sensor
Table 21: Mass Air Flow and Intake Air Temperature (MAF/IAT) Sensor
Table 22: Secondary Air Injection (AIR) Pump Motor 1 (w/NB6)
Table 23: Secondary Air Injection (AIR) Pump Motor 2 (w/NB6)
Table 24: Secondary Air Injection (AIR) Pump Relay 1 (w/NB6)
Table 25: Secondary Air Injection (AIR) Pump Relay 2 (w/NB6)
Table 26: Secondary Air Injection (AIR) Solenoid Valve (w/NB6)
Table 27: Throttle Position (TP) Sensor
Table 28: Vehicle Speed Sensor (VSS)

A/C Pressure Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12065286
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

A/C Pressure Sensor Ground

B

GRY

2700

A/C Pressure 5 Volt Reference

C

RED/BLK

380

A/C Pressure Sensor Signal

ABS/TCC Switch


Object Number: 258178  Size: CH

Connector Part Information

    • 12033705
    • 4-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

PNK

1039

Ignition Positive Voltage

B

PPL

420

TCC Switch Input

C

PNK

1039

Ignition Positive Voltage

D

GRY

847

Extended Travel Brake Switch Input

Camshaft Position (CMP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1799

CMP Sensor Signal

B

PNK/BLK

632

CMP Sensor Ground

C

RED

631

CMP Sensor Ignition Feed

Crankshaft Position (CKP) Sensor A


Object Number: 603102  Size: CH

Connector Part Information

    • 15336070
    • 3-Way F GT 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1867

CKP Sensor A Ignition Feed

B

YEL/BLK

1868

CKP Sensor A Ground

C

LT BLU/WHT

1800

CKP Sensor A Signal

Crankshaft Position (CKP) Sensor B


Object Number: 603105  Size: CH

Connector Part Information

    • 15336067
    • 3-Way F GT 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

2867

CKP Sensor B Ignition Feed

B

YEL

2868

CKP Sensor B Ground

C

YEL

573

CKP Sensor B Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162192
    • 2-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2761

ECT Sensor Ground

B

YEL

410

ECT Sensor Signal

Evaporative Emissions (EVAP) Canister Purge Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 12124036
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

139

Ignition Positive Voltage

B

DK GRN/WHT

428

EVAP Canister Purge Valve Control

Evaporative Emissions (EVAP) Canister Vent Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 12052637
    • 2-Way F Metri-Pack 150 Series, Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

1239

Ignition Positive Voltage

B

WHT

1310

EVAP Canister Vent Valve Control

Exhaust Gas Recirculation (EGR) Valve


Object Number: 68773  Size: CH

Connector Part Information

    • 12186055
    • 5-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

EGR Valve Ground

B

BLK

2753

EGR Pintle Position Ground

C

BRN

1456

EGR Position

D

GRY

2702

EGR Valve 5 Volt Reference

E

RED

1676

EGR Valve Control

Fuel Injectors


Object Number: 603098  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition Positive Voltage (Injectors 1, 4, 6 and 7)

A

PNK

339

Ignition Positive Voltage (Injectors 2, 3, 5 and 8)

B

BLK

1744

Fuel Injector 1 Control

B

LT GRN

1745

Fuel Injector 2 Control

B

PNK/BLK

1746

Fuel Injector 3 Control

B

LT BLU/BLK

844

Fuel Injector 4 Control

B

BLK/WHT

845

Fuel Injector 5 Control

B

YEL/BLK

846

Fuel Injector 6 Control

B

RED/BLK

877

Fuel Injector 7 Control

B

DK BLU/WHT

878

Fuel Injector 8 Control

Fuel Sender


Object Number: 258300  Size: CH

Connector Part Information

    • 12160479
    • 4-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Level Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

850

Fuel Pump Motor Ground

D

BLK/WHT

2759

Sender Ground

Fuel Tank Pressure Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2759

Fuel Tank Pressure Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

2709

5 Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 474210  Size: CH

Connector Part Information

    • 12176896
    • 4-Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

1664

Heated Oxygen Sensor (HO2S) Low

B

PPL/WHT

1665

Heated Oxygen Sensor (HO2S) High

C

BLK

3112

Heater Low

D

DK GRN

676

Heater High

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 474215  Size: CH

Connector Part Information

    • 15326423
    • 4-Way M Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

1677

Heated Oxygen Sensor (HO2S) Low

B

DK GRN/WHT

1678

Heated Oxygen Sensor (HO2S) High

C

BLK/WHT

1423

Heater Low

D

PNK

539

Ignition Positive Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 474210  Size: CH

Connector Part Information

    • 12176896
    • 4-Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Heated Oxygen Sensor (HO2S) Low

B

PPL/WHT

1668

Heated Oxygen Sensor (HO2S) High

C

BRN

3122

Heater Low

D

PNK

539

Ignition Positive Voltage

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

    • 12162187
    • 4-Way F Metri-Pack 150.2 Series, Sealed (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

1748

IAC Coil A Low

D

LT BLU/WHT

1747

IAC Coil A High

Ignition Control (IC) Module -- Front Bank


Object Number: 603099  Size: CH

Connector Part Information

    • 15317364
    • 7-Way F 280 GT Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition Positive Voltage

B

BLK/WHT

1551

Ground

C

YEL

2174

Ref Low

D

DK GRN/WHT

2124

IC 4

E

LT BLU/WHT

2126

IC 6

F

PPL/WHT

2128

IC 8

G

RED/WHT

2122

IC 2

Ignition Control (IC) Module -- Rear Bank


Object Number: 603099  Size: CH

Connector Part Information

    • 15317367
    • 7-Way F GT 280 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition Positive Voltage

B

BLK/WHT

1551

Ground

C

GRY

2175

Ref Low

D

DK GRN

2125

IC 5

E

LT BLU

2123

IC 3

F

PPL

2121

IC 1

G

RED

2127

IC 7

Knock Sensor (KS)


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal

B

GRY

1716

Knock Sensor Return

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 12129945
    • 3-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

MAP Sensor Ground

B

LT GRN

432

MAP Sensor Signal

C

GRY

2704

5 Volt Reference

Mass Air Flow and Intake Air Temperature (MAF/IAT) Sensor


Object Number: 366067  Size: CH

Connector Part Information

    • 15305555
    • 5-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

IAT Ground

B

TAN

472

IAT Sensor Signal

C

BLK

1550

Ground

D

PNK

139

Ignition Positive Voltage

E

YEL

492

MAF Sensor Signal

Secondary Air Injection (AIR) Pump Motor 1 (w/NB6)


Object Number: 601624  Size: CH

Connector Part Information

    • 15326679
    • 2-Way F GT 280 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1650

Secondary Air Injection (AIR) Pump Motor 1 Ground

B

RED

78

Secondary Air Injection (AIR) Pump Motor 1 Feed

Secondary Air Injection (AIR) Pump Motor 2 (w/NB6)


Object Number: 601624  Size: CH

Connector Part Information

    • 15326679
    • 2-Way F GT 280 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1650

Secondary Air Injection (AIR) Pump Motor 2 Ground

B

DK BLU

2202

Secondary Air Injection (AIR) Pump Motor 2 Feed

Secondary Air Injection (AIR) Pump Relay 1 (w/NB6)


Object Number: 603108  Size: CH

Connector Part Information

    • 15336745
    • 4-Way F GT 280 Series, Metri-Pack 800 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

30

RED

742

Battery Positive Voltage

85

PNK

139

Ignition Positive Voltage - Coil Feed

86

BRN

436

Secondary Air Injection (AIR) Pump Relay 1 Control

87

RED

78

Secondary Air Injection (AIR) Pump Motor 1 Feed

Secondary Air Injection (AIR) Pump Relay 2 (w/NB6)


Object Number: 603108  Size: CH

Connector Part Information

    • 15336745
    • 4-Way F GT 280 Series, Metri-Pack 800 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

30

RED

842

Battery Positive Voltage

85

PNK

139

Ignition Positive Voltage - Coil Feed

86

BRN

1408

Secondary Air Injection (AIR) Pump Relay 2 Control

87

DK BLU

2202

Secondary Air Injection (AIR) Pump Motor 2 Feed

Secondary Air Injection (AIR) Solenoid Valve (w/NB6)


Object Number: 307909  Size: CH

Connector Part Information

    • 12105333
    • 2-Way F (BRN)

Pin

Wire Color

Circuit No.

Function

1

PNK

139

Ignition Positive Voltage

2

PNK/BLK

429

Secondary Air Injection (AIR) Solenoid Valve Control

Throttle Position (TP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12065286
    • 3-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

2701

5 Volt Reference

B

BLK

2752

Throttle Position Sensor Ground

C

DK BLU

417

Throttle Position Sensor Signal

Vehicle Speed Sensor (VSS)


Object Number: 232831  Size: CH

Connector Part Information

    • 12162192
    • 2-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Vehicle Speed Sensor Low

B

YEL

400

Vehicle Speed Sensor High