GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor A
Table 3: Crankshaft Position (CKP) Sensor B
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Evaporative Emissions (EVAP) Canister Purge Solenoid
Table 6: Evaporative Emissions (EVAP) Canister Vent Solenoid
Table 7: Exhaust Gas Recirculation (EGR) Valve
Table 8: Fuel Injector 1
Table 9: Fuel Injector 2
Table 10: Fuel Injector 3
Table 11: Fuel Injector 4
Table 12: Fuel Injector 5
Table 13: Fuel Injector 6
Table 14: Fuel Injector 7
Table 15: Fuel Injector 8
Table 16: Fuel Pump and Sender Assembly
Table 17: Fuel Tank Pressure Sensor
Table 18: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 19: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 20: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 21: Idle Air Control (IAC) Valve
Table 22: Ignition Control Module (ICM) -- Bank 1
Table 23: Ignition Control Module (ICM) -- Bank 2
Table 24: Knock Sensor (KS)
Table 25: Manifold Absolute Pressure (MAP) Sensor
Table 26: Mass Air Flow (MAF) Sensor
Table 27: Secondary Air Injection (AIR) Pump (w/ NF7)
Table 28: Secondary Air Injection (AIR) Pump Relay (w/ NF7)
Table 29: Secondary Air Injection (AIR) Solenoid Valve (w/NF7)
Table 30: Stop Lamp Switch
Table 31: Throttle Position (TP) Sensor
Table 32: Vehicle Speed Sensor (VSS)

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

High Resolution Signal

B

PNK/BLK

632

Low Reference

C

RED

631

12 Volt Reference

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

12 Volt Reference

B

YEL/BLK

1868

Low Reference

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

12 Volt Reference

B

YEL

2868

Low Reference

C

YEL/BLK

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

Low Reference

B

YEL

410

ECT Sensor Signal

Evaporative Emissions (EVAP) Canister Purge Solenoid


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 1 Voltage

B

DK GRN/

WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emissions (EVAP) Canister Vent Solenoid


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 1 Voltage

B

WHT

1310

EVAP Canister Vent Solenoid 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 Solenoid Control

B

BLK

2753

Low Reference

C

BRN

1456

EGR Valve Position Signal

D

GRY

2702

5 Volt Reference

E

RED

1676

EGR Solenoid High Control

Fuel Injector 1


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 1 Voltage

B

BLK

1744

Fuel Injector 1 Control

Fuel Injector 2


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

339

Ignition 1 Voltage

B

LT GRN

1745

Fuel Injector 2 Control

Fuel Injector 3


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

339

Ignition 1 Voltage

B

PNK/BLK

1746

Fuel Injector 3 Control

Fuel Injector 4


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 1 Voltage

B

LT BLU/BLK

844

Fuel Injector 4 Control

Fuel Injector 5


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

339

Ignition 1 Voltage

B

BLK/WHT

845

Fuel Injector 5 Control

Fuel Injector 6


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 1 Voltage

B

YEL/BLK

846

Fuel Injector 6 Control

Fuel Injector 7


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 1 Voltage

B

RED/BLK

877

Fuel Injector 7 Control

Fuel Injector 8


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

339

Ignition 1 Voltage

B

DK BLU/ WHT

878

Fuel Injector 8 Control

Fuel Pump and Sender Assembly


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 Sensor Signal

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

850

Ground

D

BLK/WHT

2759

Low Reference

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

Low Reference

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

HO2S Low Signal (Bank 1 Sensor 1)

B

PPL/WHT

1665

HO2S High Signal (Bank 1 Sensor 1)

C

BLK

3112

HO2S Heater Low Control (Bank 1 Sensor 1)

D

DK GRN

676

HO2S Heater High Control (Bank 1 Sensor 1)

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

HO2S Low Signal (Bank 1 Sensor 2)

B

DK GRN/

WHT

1678

HO2S High Signal (Bank 1 Sensor 2)

C

BLK/WHT

1423

HO2S Heater Low Control (Bank 1 Sensor 2)

D

PNK

539

Ignition 1 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

HO2S Low Signal (Bank 2 Sensor 1)

B

PPL/WHT

1668

HO2S High Signal (Bank 2 Sensor 1)

C

BRN

3122

HO2S Heater Low Control (Bank 2 Sensor 1)

D

PNK

539

Ignition 1 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 Control

B

LT GRN/WHT

1749

IAC Coil B High Control

C

LT BLU/BLK

1748

IAC Coil A Low Control

D

LT BLU/WHT

1747

IAC Coil A High Control

Ignition Control Module (ICM) -- Bank 1


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 1 Voltage

B

BLK/WHT

1551

Ground

C

GRY

2175

Low Reference

D

DK GRN

2125

IC 5 Control

E

LT BLU

2123

IC 3 Control

F

PPL

2121

IC 1 Control

G

RED

2127

IC 7 Control

Ignition Control Module (ICM) -- Bank 2


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 1 Voltage

B

BLK/WHT

1551

Ground

C

YEL

2174

Low Reference

D

DK GRN/

WHT

2124

IC 4 Control

E

LT BLU/WHT

2126

IC 6 Control

F

PPL/WHT

2128

IC 8 Control

G

RED/WHT

2122

IC 2 Control

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 1 Signal

B

GRY

1716

Low Reference

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

Low Reference

B

LT GRN

432

MAP Sensor Signal

C

GRY

2704

5 Volt Reference

Mass Air Flow (MAF) Sensor


Object Number: 366067  Size: CH

Connector Part Information

    • 15305555
    • 5-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Low Reference

B

TAN

472

IAT Sensor Signal

C

BLK

1550

Ground

D

PNK

139

Ignition 1 Voltage

E

YEL

492

MAF Sensor Signal

Secondary Air Injection (AIR) Pump (w/ NF7)


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

Ground

B

RED

78

AIR Pump Supply Voltage

Secondary Air Injection (AIR) Pump Relay (w/ NF7)


Object Number: 603108  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

30

RED

742

Battery Positive Voltage

85

PNK

139

Ignition 1 Voltage

86

BRN

436

AIR Pump Relay Control

87

RED

78

AIR Pump Supply Voltage

Secondary Air Injection (AIR) Solenoid Valve (w/NF7)


Object Number: 307909  Size: CH

Connector Part Information

    • 12105333
    • 2-Way F (BRN)

Pin

Wire Color

Circuit No.

Function

1

PNK

139

Ignition 1 Voltage

2

PNK/BLK

429

AIR Solenoid Control

Stop Lamp 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 1 Voltage

B

PPL

420

TCC Brake Switch/Cruise Control Release Signal

B

PPL

420

TCC Brake Switch/Cruise Control Release Signal

C

PNK

1039

Ignition 1 Voltage

D

GRY

847

Extended Travel Brake Switch Signal

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

Low Reference

C

DK BLU

417

TP 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

Signal Low - Front

B

YEL

400

Signal High - Front