GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Impala 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Engine Controls Connector End Views

Camshaft Position (CMP) Sensor


Object Number: 684807 Size: CH

Connector Part Information
    • 12110293
    • 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 Sealed (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

Engine Coolant Temperature (ECT) Sensor


Object Number: 237066 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

YEL

410

ECT Sensor Signal

Evaporative Emissions (EVAP) Canister Purge Solenoid


Object Number: 684795 Size: CH

Connector Part Information
    • 12052643
    • 2-Way F Metri-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

739

Ignition 1 Voltage

B

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emissions (EVAP) Canister Vent Solenoid


Object Number: 684829 Size: CH

Connector Part Information
    • 12124037
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition 1 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 GT 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

435

EGR Solenoid Low 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: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 64 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

BLK

1744

Fuel Injector 1 Control

Fuel Injector #2


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 64 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

LT GRN/BLK

1745

Fuel Injector 2 Control

Fuel Injector #3


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 64 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

PNK/BLK

1746

Fuel Injector 3 Control

Fuel Injector #4


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 64 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

LT BLU/BLK

844

Fuel Injector 4 Control

Fuel Injector #5


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 64 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

BLK/WHT

845

Fuel Injector 5 Control

Fuel Injector #6


Object Number: 366123 Size: CH

Connector Part Information
    • 15326181
    • 2-Way F Micro-Pack 64 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

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 Gage Sensor Signal

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

1850

Ground

D

BLK/WHT

808

Low Reference

Fuel Tank Pressure (FTP) 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/BLK

808

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY/BLK

2709

5 Volt Reference

Heated Oxygen Sensor (HO2S) Sensor 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 (Sensor 1)

B

PPL

412

HO2S High Signal (Sensor 1)

C

BLK/WHT

3113

HO2S Heater Low Control

D

PNK

1039

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Sensor 2


Object Number: 280761 Size: CH

Connector Part Information
    • 12160825
    • 4-Way M Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal [Sensor 2]

B

PPL/WHT

1668

HO2S High Signal [Sensor 2]

C

BLK

350

Ground

D

PNK

1039

Ignition 1 Voltage

Idle Air Control (IAC) Valve


Object Number: 38608 Size: CH

Connector Part Information
    • 12162190
    • 4-Way F Metri-Pack 150.2 Sealed 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
    • 12162260
    • 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: 237066 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

BLK

350

Ground

B

PNK

539

Ignition 1 Voltage

Ignition Control Module (ICM), C3


Object Number: 73223 Size: CH

Connector Part Information
    • 12162184
    • 3-Way F Metri-Pack 150.2 Series Sealed Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position (CKP) Sensor Signal

B

--

--

Not Used

C

PPL

574

Crankshaft Position (CKP) Sensor Return

Intake Air Temperature (IAT) Sensor


Object Number: 646180 Size: CH

Connector Part Information
    • 12162199
    • 2-Way F Metri-Pack 150.2 Series Sealed, 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 Weather Pack TWR Sealed (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 Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK/WHT

451

Ground

C

PNK

739

Ignition 1 Voltage

Secondary Air Injection (AIR) Pump


Object Number: 365990 Size: CH

Connector Part Information
    • 12191968
    • 2-Way F Metri-Pack 280 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

78

AIR Pump Supply Voltage

B

BLK

250

Ground

Throttle Position (TP) Sensor


Object Number: 258299 Size: CH

Connector Part Information
    • 12110192
    • 3-Way F Metri-Pack 150 PS2 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: 646406 Size: CH

Connector Part Information
    • 15335986
    • 2-Way F GT 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

VSS Low Signal

B

YEL

400

VSS High Signal