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

Camshaft Position (CMP) Sensor


Object Number: 73223  Size: CH

Connector Part Information

    • 12162272
    • 3-Way F Metri-Pack 150.1 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

CMP Sensor Signal

B

BLK/WHT

836

Sensor Ground

C

WHT/BLK

644

10 Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 280765  Size: CH

Connector Part Information

    • 12162724
    • 4-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1800

CKP Sensor 2 Signal

B

YEL

573

CKP Sensor 1 Signal

C

BLK/WHT

836

Sensor Ground

D

WHT/BLK

644

10 Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 518983  Size: CH

Connector Part Information

    • 12162194
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

Low Reference

B

YEL

410

ECT Sensor Signal

Evaporative Emissions (EVAP) Canister Purge Valve


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 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 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 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

EGR Solenoid Low Control

B

BLK

552

Low Reference

C

BRN

1456

EGR Valve Position Signal

D

GRY

605

5 Volt Reference

E

WHT

257

EGR Solenoid High Control

Fuel Injector 1


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

PNK

339

Ignition 1 Voltage

B

BLK

1744

Fuel Injector 1 Control

Fuel Injector 2


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

PNK

239

Ignition 1 Voltage

B

LT GRN/BLK

1745

Fuel Injector 2 Control

Fuel Injector 3


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

PNK

339

Ignition 1 Voltage

B

PNK/BLK

1746

Fuel Injector 3 Control

Fuel Injector 4


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

PNK/BLK

239

Ignition 1 Voltage

B

LT BLU/BLK

844

Fuel Injector 4 Control

Fuel Injector 5


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

PNK/BLK

339

Ignition 1 Voltage

B

BLK/WHT

845

Fuel Injector 5 Control

Fuel Injector 6


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

PNK/BLK

239

Ignition 1 Voltage

B

YEL/BLK

846

Fuel Injector 6 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

650

Fuel Pump Low - Ground (w/L67)

C

BLK

1050

Ground (w/L36)

D

BLK/WHT

651

Sensor Ground

Fuel Tank Pressure Sensor


Object Number: 62453  Size: CH

C

DK GRN

890

Fuel Tank Pressure Sensor Signal

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

474

5 Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 258300  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S 1 Low Signal

B

PPL

412

HO2S 1 High Signal

C

BLK

1150

Ground

D

PNK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

HO2S 2 Low Signal

B

PPL

1670

HO2S 2 High Signal

C

BLK

1150

Ground

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)


Object Number: 302002  Size: CH

Connector Part Information

    • 12052493
    • 14-Way F Metri-Pack 150 Series, Sealed (DK GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

423

IC Timing Control

B

TAN/BLK

424

IC Timing Signal

C

BLU/BLK

647

Medium Resolution Engine Speed Signal

D

PPL/WHT

430

Low Resolution Engine Speed Signal

E

WHT

121

Engine Speed Signal

F

BLK

630

Camshaft Position Signal

G

YEL

573

CKP Sensor (1) Signal

H

LT BLU/WHT

1800

CKP Sensor 2 Signal

J

BRN/WHT

633

CMP Sensor Signal

K

BLK/WHT

451

Ground

L

RED/BLK

453

Low Reference

M

BLK/WHT

836

Sensor Ground

N

WHT/BLK

644

10 Volt Reference

P

PNK

839

Ignition 1 Voltage

Intake Air Temperature (IAT) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 12162196
    • 2-Way F Metri-Pack 150.2 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

645

Sensor Ground

B

TAN

472

IAT Sensor Signal

Knock Sensor (KS) Bank 1


Object Number: 95764  Size: CH

Connector Part Information

    • 12176800
    • 1-Way F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

496

KS Bank 1 Signal

Knock Sensor (KS) Bank 2


Object Number: 95764  Size: CH

Connector Part Information

    • 12176800
    • 1-Way F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

1876

KS Bank 2 Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 280779  Size: CH

Connector Part Information

    • 12103770
    • 3-Way M Weather Pack (WHT)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Sensor Ground

B

LT GRN

432

MAP Sensor Signal

C

GRY

605

5 Volt Reference

Mass Air Flow (MAF) Sensor


Object Number: 62453  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK/WHT

1551

Ground

C

PNK/BLK

139

Ignition 1 Voltage

Supercharger Boost Control Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052635
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/WHT

139

Ignition 1 Voltage

B

GRY

1724

Boost Control Solenoid Control

Throttle Position (TP) Sensor


Object Number: 68730  Size: CH

Connector Part Information

    • 12110294
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

452

Sensor Ground

B

DK BLU

417

TP Sensor Signal

C

GRY

605

5 Volt Reference

Vehicle Speed Sensor (VSS)


Object Number: 62471  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Low Signal - VSS Front

B

YEL

400

High Signal - VSS Front