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: Engine Oil Level Switch
Table 6: Engine Oil Pressure (EOP) Sensor
Table 7: Evaporative Emissions (EVAP) Canister Purge Solenoid
Table 8: Evaporative Emissions (EVAP) Canister Vent Solenoid
Table 9: Exhaust Gas Recirculation (EGR) Valve
Table 10: Fuel Injectors
Table 11: Fuel Pump and Sender Assembly
Table 12: Fuel Tank Pressure (FTP) 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 Module (ICM)-Front Bank
Table 18: Ignition Control Module (ICM)-Rear Bank
Table 19: Knock Sensor (KS)
Table 20: Manifold Absolute Pressure (MAP) Sensor
Table 21: Mass Air Flow (MAF) Sensor
Table 22: Secondary Air Injection (AIR) Pump-Rear (w/NC1)
Table 23: Secondary Air Injection (AIR) Pump Solenoid
Table 24: Throttle Position (TP) Sensor
Table 25: Vehicle Speed Sensor (VSS)

Camshaft Position (CMP) Sensor


Object Number: 516611  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

    • 15336065
    • 3-Way F 280 GT Series (GRY)

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

    • 15336066
    • 3-Way F 280 GT Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

2867

12 Volt Reference

B

YEL

2868

Low Reference

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

Low Reference

B

YEL

410

ECT Sensor Signal

Engine Oil Level Switch


Object Number: 130680  Size: CH

Connector Part Information

    • 12162195
    • 2-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

BLK/WHT

1151

PCM Ground

Engine Oil Pressure (EOP) Sensor


Object Number: 230788  Size: CH

Connector Part Information

    • 12065298
    • 4-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2755

PCM Ground

B

TAN/WHT

331

Oil Pressure Sensor Signal

C-D

--

--

Not Used

Evaporative Emissions (EVAP) Canister Purge Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12124037
    • 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

    • 12052643
    • 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: 223230  Size: CH

Connector Part Information

    • 12186056
    • 5-Way F Metri-Pack 150.2 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

EGR Solenoid Control

B

BLK

2753

EGR Pintle Position Sensor Ground

C

BRN

1456

EGR Valve Position Signal

D

GRY/BLK

2702

5 Volt Reference

E

RED

1676

EGR Valve Supply Voltage

Fuel Injectors


Object Number: 603098  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/BLK

239

Ignition 1 Voltage - Injector 1

A

PNK/WHT

239

Ignition 1 Voltage - Injector 4

A

PNK

239

Ignition 1 Voltage - Injectors 6 and 7

A

PNK

339

Ignition 1 Voltage Injectors 2, 3, and 8

A

PNK/BLK

339

Ignition 1 Voltage - Injector 5

B

BLK

1744

Fuel Injector 1 Control

B

LT GRN/BLK

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 Pump and Sender Assembly


Object Number: 68760  Size: CH

Connector Part Information

    • 12160482
    • 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

1050

Ground

D

BLK/WHT

552

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059595
    • 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

    • 12176897
    • 4-Way F Metri-Pack 150 Series, Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal Bank 1 Sensor 1

B

PPL/WHT

1668

HO2S High Signal Bank 1 Sensor 1

C

BLK

3122

HO2S Heater Control Low

D

PNK/BLK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S)-Bank 1 Sensor 2


Object Number: 40407  Size: CH

Connector Part Information

    • 12160825
    • 4-Way M Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1677

HO2S Low Signal Bank 1 Sensor 2

B

PPL/WHT

1678

HO2S High Signal Bank 1 Sensor 2

C

BLK

1423

HO2S Heater Control Low

D

PNK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S)-Bank 2 Sensor 1


Object Number: 474215  Size: CH

Connector Part Information

    • 15326423
    • 4-Way F (NAT)

Pin

Wire Color

Circuit No.

Function

A

TAN

1664

HO2S Low Signal Bank 2 Sensor 1

B

PPL/WHT

1665

HO2S High Signal Bank 2 Sensor 1

C

BLK/WHT

3112

HO2S Heater Low Control

D

DK GRN

676

Ignition 1 Voltage

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

    • 12162190
    • 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 Module (ICM)-Front Bank


Object Number: 603099  Size: CH

Connector Part Information

    • 15317367
    • 7-Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/WHT

839

Ignition 1 Voltage

B

BLK/WHT

1551

Ground

C

YEL

2174

Electronic Spark Timing Return

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

Ignition Control Module (ICM)-Rear Bank


Object Number: 603099  Size: CH

Connector Part Information

    • 15317367
    • 7-Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition 1 Voltage

B

BLK/WHT

1551

Ground

C

GRY/BLK

2175

Electronic Spark Timing Return

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

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

KS (1) Signal

B

GRY

1716

Knock Sensor Return

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 12129946
    • 3-Way F Metri-Pack Sealed (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 Metri-Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Low Reference

B

TAN

472

IAT Sensor Signal

C

BLK/WHT

1151

Ground

D

PNK/WHT

139

Ignition 1 Voltage

E

YEL

492

MAF Sensor Signal

Secondary Air Injection (AIR) Pump-Rear (w/NC1)


Object Number: 603213  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

1250

Ground

B

DK BLU

78

AIR Pump Supply Voltage

Secondary Air Injection (AIR) Pump Solenoid


Object Number: 307909  Size: CH

Connector Part Information

    • 12105333
    • 2-Way (BRN)

Pin

Wire Color

Circuit No.

Function

1

PNK

139

Ignition 1 Voltage

2

PNK/BLK

429

Air Solenoid Control

Throttle Position (TP) Sensor


Object Number: 219804  Size: CH

Connector Part Information

    • 12110192
    • 3-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

2701

5 Volt Reference

B

BLK/WHT

2752

Low Reference

C

DK BLU

417

TP Sensor Signal

Vehicle Speed Sensor (VSS)


Object Number: 130680  Size: CH

Connector Part Information

    • 12162195
    • 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