GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Central Sequential Fuel Injection (Central SFI)
Table 3: Crankshaft Position (CKP) Sensor
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Evaporative Emission (EVAP) Canister Purge Solenoid
Table 6: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 7: Fuel Tank Pressure (FTP) Sensor
Table 8: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 9: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 10: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 11: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 12: Idle Air Control (IAC) Valve
Table 13: Ignition Coil
Table 14: Ignition Control Module (ICM)
Table 15: Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Table 16: Knock Sensor (KS)
Table 17: Manifold Absolute Pressure (MAP) Sensor
Table 18: Throttle Position (TP) Sensor

Camshaft Position (CMP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

632

Low Reference

B

BN/WH

633

CMP Sensor Signal

C

RD

631

12-Volt Reference

Central Sequential Fuel Injection (Central SFI)


Object Number: 39782  Size: CH

Connector Part Information

    • 12177083
    • 21-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK/WH

845

Fuel Injector 5 Control

B

PK

1039

Ignition 1 Voltage

C

PK/BK

1746

Fuel Injector 3 Control

D

PK

1039

Ignition 1 Voltage

E

PK

1039

Ignition 1 Voltage

F

BK

1744

Fuel Injector 1 Control

G

L-GN/

BK

1745

Fuel Injector 2 Control

H

PK

1239

Ignition 1 Voltage

J

PK

1239

Ignition 1 Voltage

K

L-BU/

BK

844

Fuel Injector 4 Control

L

PK

1239

Ignition 1 Voltage

M

YE/BK

846

Fuel Injector 6 Control

Crankshaft Position (CKP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

L-GN

1867

12-Volt Reference

B

YE/BK

1868

Low Reference

C

D-BU/WH

1869

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 655692  Size: CH

Connector Part Information

    • 15359366
    • 2-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

407

Low Reference

B

YE

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


Object Number: 684795  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

D-GN /WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 684795  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

WH

1310

EVAP Canister Vent Solenoid Control

B

PK

2640

Battery Positive Voltage

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BK

470

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

474

5-Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 806613  Size: CH

Connector Part Information

    • 15326423
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal - Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

C

BK/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

D

PK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 806613  Size: CH

Connector Part Information

    • 15326423
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal - Bank 1 Sensor 2

B

PU/WH

1668

HO2S High Signal - Bank 1 Sensor 2

C

BN

2391

HO2S Heater Low Control - Bank 1 Sensor 2

D

PK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 806613  Size: CH

Connector Part Information

    • 15326423
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1667

HO2S Low Signal - Bank 2 Sensor 1

B

PU

1666

HO2S High Signal - Bank 2 Sensor 1

C

L-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

D

PK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 806613  Size: CH

Connector Part Information

    • 15326423
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1671

HO2S Low Signal - Bank 2 Sensor 2

B

PU

1670

HO2S High Signal - Bank 2 Sensor 2

C

RD/WH

3223

HO2S Heater Low Control - Bank 2 Sensor 2

D

PK

1539

Ignition 1 Voltage

Idle Air Control (IAC) Valve


Object Number: 684948  Size: CH

Connector Part Information

    • 15354716
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN /BK

444

IAC Coil B Low Control

B

L-GN /WH

1749

IAC Coil B High Control

C

L-BU /BK

1748

IAC Coil A Low Control

D

L-BU /WH

1747

IAC Coil A High Control

Ignition Coil


Object Number: 68743  Size: CH

Connector Part Information

    • 12146121
    • 3-Way F Metri-Pack 150 (BN)

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

--

--

Not Used

C

WH/BK

1847

Ignition Coil Control

Ignition Control Module (ICM)


Object Number: 684948  Size: CH

Connector Part Information

    • 15354716
    • 4-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

1039

Ignition 1 Voltage

B

WH

423

IC Timing Control

C

BK

550

Ground

D

WH/BK

1847

Ignition Coil Control

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


Object Number: 366067  Size: CH

Connector Part Information

    • 15305555
    • 5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

552

Low Reference

B

TN

472

IAT Sensor Signal

C

BK/WH

451

Ground

D

PK

439

Ignition 1 Voltage

E

YE

492

MAF Sensor Signal

Knock Sensor (KS)


Object Number: 684804  Size: CH

Connector Part Information

    • 12110179
    • 2-Way F Metri-Pack 280 Series .1 P2S (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

Knock Sensor Signal

B

GY

1716

Low Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • 12129946
    • 3-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

MAP Sensor Signal

C

GY

597

5-Volt Reference

Throttle Position (TP) Sensor


Object Number: 726824  Size: CH

Connector Part Information

    • 15344137
    • 3-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

2701

5-Volt Reference

2

BK

2752

Low Reference

3

D-BU

417

TP Sensor Signal