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 Emission (EVAP) Canister Purge Solenoid
Table 6: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 7: Exhaust Gas Recirculation (EGR) Valve
Table 8: Fuel Injectors
Table 9: Fuel Pump and Sender Assembly
Table 10: Fuel Tank Pressure (FTP) Sensor
Table 11: Heated Oxygen Sensor (HO2S) 1
Table 12: Heated Oxygen Sensor (HO2S) 2
Table 13: Idle Air Control (IAC) Valve
Table 14: Ignition Control Module (ICM) C1
Table 15: Ignition Control Module (ICM) C2
Table 16: Ignition Control Module (ICM) C3
Table 17: Intake Air Temperature (IAT) Sensor
Table 18: Knock Sensor (KS)
Table 19: Manifold Absolute Pressure (MAP) Sensor
Table 20: Mass Air Flow (MAF) Sensor
Table 21: Throttle Position (TP) Sensor

Camshaft Position (CMP) Sensor


Object Number: 684807  Size: CH

Connector Part Information

    • 10238806
    • 3-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

812

12 Volt Reference

B

BRN/WHT

633

CMP Sensor Signal

C

BLK

407

Low Reference

Crankshaft Position (CKP) Sensor A


Object Number: 684807  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1867

12 Volt Reference

B

LT BLU/

BLK

647

Medium Resolution Engine Speed Signal

C

YEL/BLK

1868

Low Reference

Crankshaft Position (CKP) Sensor B


Object Number: 655692  Size: CH

Connector Part Information

    • 12162194
    •  2-Way F Metri-Pack 150.2 Series Sealed Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

574

CKP Sensor Signal

B

PPL

573

Low Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 655692  Size: CH

Connector Part Information

    • 12162194
    •  2-Way F Metri-Pack 150.2 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

YEL

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 (RED)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Ignition 3 Voltage

B

DK GRN/

WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 334626  Size: CH

Connector Part Information

    • 12059863
    • 2-Way F Metri-Pack 150 Series Sealed (BRN)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Ignition 3 Voltage

B

WHT

1310

EVAP Canister Vent Solenoid Control

Exhaust Gas Recirculation (EGR) Valve


Object Number: 594477  Size: CH

Connector Part Information

    • 15326389
    •  5-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

435

EGR Solenoid Low Control

B

BLK

2753

Low Reference

C

BRN/WHT

1456

EGR Valve Position Signal

D

BRN/WHT

2702

5Volt Reference

E

RED

1676

EGR Valve Supply Voltage

Fuel Injectors


Object Number: 806497  Size: CH

Connector Part Information

    • 15326179
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Injector 1

A

PNK

639

Ignition 1 Voltage

B

BLK

1744

Fuel Injector 1 Control

Injector 2

A

PNK

639

Ignition 1 Voltage

B

LT GRN/

BLK

1745

Fuel Injector 2 Control

Injector 3

A

PNK

639

Ignition 1 Voltage

B

PNK/BLK

1746

Fuel Injector 3 Control

Injector 4

A

PNK

639

Ignition 1 Voltage

B

LT BLU/BLK

844

Fuel Injector 4 Control

Injector 5

A

PNK

639

Ignition 1 Voltage

B

BLK/WHT

845

Fuel Injector 5 Control

Injector 6

A

PNK

639

Ignition 1 Voltage

B

YEL/BLK

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly


Object Number: 456551  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

150

Ground

D

BLK/WHT

651

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY/BLK

416

5Volt Reference

Heated Oxygen Sensor (HO2S) 1


Object Number: 474210  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Reference

B

PPL

412

HO2S 1 High Signal

C

BLK/WHT

3113

HO2S Heater Low Control -- Sensor1

D

BRN

241

Ignition 3 Voltage

Heated Oxygen Sensor (HO2S) 2


Object Number: 280761  Size: CH

Connector Part Information

    • 12160825
    • 4-Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal-- Bank 1 Sensor 2

B

PPL/WHT

1668

HO2S High Signal-- Bank 1 Sensor 2

C

BLK

150

Ground

D

BRN

241

Ignition 3 Voltage

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

    • 12162190
    • 4-Way F Metri-Pack 150.2 Series Pull to Seat (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) C1


Object Number: 40442  Size: CH

Connector Part Information

    • 12162261
    • 6-Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

424

IC Timing Signal

B

WHT

423

IC Timing Control

C-D

--

--

Not Used

E

PPL/WHT

430

Low Resolution Engine Speed Signal

F

RED/BLK

453

Low Reference

Ignition Control Module (ICM) C2


Object Number: 73223  Size: CH

Connector Part Information

    • 12162186
    • 3-Way F Metri-pack 150.1 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

CKP Sensor Signal

B

--

--

Not Used

C

PPL

574

Low Reference

Ignition Control Module (ICM) C3


Object Number: 655692  Size: CH

Connector Part Information

    • 12162195
    • 2-Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground

B

PNK

239

Ignition 1 Voltage

Intake Air Temperature (IAT) Sensor


Object Number: 646180  Size: CH

Connector Part Information

    • 12162199
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Low Reference

B

TAN

472

IAT Sensor Signal

Knock Sensor (KS)


Object Number: 95764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

DK BLU

496

KS Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 622368  Size: CH

Connector Part Information

    • 12020403
    • 3-Way M WeatherPack Sealed (DK GRN)

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: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK/WHT

451

Ground

C

PNK

639

Ignition 1 Voltage

Throttle Position (TP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12110192
    • 3-Way F Metri-Pack 150 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

2701

5 Volt Reference

B

BLK

2752

Low Reference

C

DK BLU

417

TP Sensor Signal