Engine Controls Connector End Views. Buick Century 2003

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Controls Connector End Views

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 Injector 1
Table 9:	Fuel Injector 2
Table 10:	Fuel Injector 3
Table 11:	Fuel Injector 4
Table 12:	Fuel Injector 5
Table 13:	Fuel Injector 6
Table 14:	Fuel Pump and Sender Assembly
Table 15:	Fuel Tank Pressure (FTP) Sensor
Table 16:	Heated Oxygen Sensor (HO2S) 1
Table 17:	Heated Oxygen Sensor (HO2S) 2
Table 18:	Idle Air Control (IAC) Valve
Table 19:	Ignition Control Module (ICM), C1
Table 20:	Ignition Control Module (ICM), C2
Table 21:	Ignition Control Module (ICM), C3
Table 22:	Intake Air Temperature (IAT) Sensor
Table 23:	Knock Sensor (KS) 1
Table 24:	Manifold Absolute Pressure (MAP) Sensor
Table 25:	Mass Air Flow (MAF) Sensor
Table 26:	Throttle Position (TP) Sensor

Camshaft Position (CMP) Sensor

Connector Part Information

•

15336065

•	3-Way F GT 150 Series, Sealed (BLK)

Wire Color

Circuit No.

Function

BRN/WHT

633

CMP Sensor Signal

BLK

407

Low Reference

RED/WHT

812

12 Volt Reference

Crankshaft Position (CKP) Sensor A

Connector Part Information

•

12110293

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

Wire Color

Circuit No.

Function

LT GRN

1867

12 Volt Reference

LT BLU/BLK

647

Medium Resolution Engine Speed Signal

YEL/BLK

1868

Low Reference

Crankshaft Position (CKP) Sensor B

Connector Part Information

•

12192194

•	2-Way F Metri-Pack 150.2 Pull-To-Seat Series, Sealed (BLK)

Wire Color

Circuit No.

Function

YEL

573

CKP Sensor Signal

PPL

574

Low Reference

Engine Coolant Temperature (ECT) Sensor

Connector Part Information

•

12162194

•	2-Way F Metri-Pack 150.2 Series Pull-To-Seat, Sealed (BLK)

Wire Color

Circuit No.

Function

ORN/BLK

469

Low Reference

YEL

410

ECT Sensor Signal

DK GRN

135

ECT Sensor Gage Signal

Evaporative Emission (EVAP) Canister Purge Solenoid

Connector Part Information

•

12052643

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

Wire Color

Circuit No.

Function

PNK

339

Ignition 1 Voltage

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid

Connector Part Information

•

12052643

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

Wire Color

Circuit No.

Function

PNK

339

Ignition 1 Voltage

WHT

1310

EVAP Canister Vent Solenoid Control

Exhaust Gas Recirculation (EGR) Valve

Connector Part Information

•

15326389

•	5-Way F GT 150 Series Sealed (BLK)

Wire Color

Circuit No.

Function

GRY

435

EGR Solenoid Low Control

BLK

2753

Low Reference

BRN

1456

EGR Valve Position Signal

GRY/BLK

2702

5-Volt Reference

WHT

257

EGR Solenoid High Control

Fuel Injector 1

Connector Part Information

•

15411634

•	2-Way F Micro-Pack 064 Series Sealed (MD GRY)

Wire Color

Circuit No.

Function

PNK

639

Ignition 1 Voltage

BLK

1744

Fuel Injector 1 Control

Fuel Injector 2

Connector Part Information

•

15411634

•	2-Way F Micro-Pack 064 Series Sealed (MD GRY)

Wire Color

Circuit No.

Function

PNK

639

Ignition 1 Voltage

LT GRN/BLK

1745

Fuel Injector 2 Control

Fuel Injector 3

Connector Part Information

•

15411634

•	2-Way F Micro-Pack 064 Series Sealed (MD GRY)

Wire Color

Circuit No.

Function

PNK

639

Ignition 1 Voltage

PNK/BLK

1746

Fuel Injector 3 Control

Fuel Injector 4

Connector Part Information

•

15411634

•	2-Way F Micro-Pack 064 Series Sealed (MD GRY)

Wire Color

Circuit No.

Function

PNK

639

Ignition 1 Voltage

LT BLU/BLK

844

Fuel Injector 4 Control

Fuel Injector 5

Connector Part Information

•

15411634

•	2-Way F Micro-Pack 064 Series Sealed (MD GRY)

Wire Color

Circuit No.

Function

PNK

639

Ignition 1 Voltage

BLK/WHT

845

Fuel Injector 5 Control

Fuel Injector 6

Connector Part Information

•

15411634

•	2-Way F Micro-Pack 064 Series Sealed (MD GRY)

Wire Color

Circuit No.

Function

PNK

639

Ignition 1 Voltage

YEL/BLK

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly

Connector Part Information

•

12160482

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

Wire Color

Circuit No.

Function

PPL

Fuel Level Sensor Signal

GRY

120

Fuel Pump Supply Voltage

BLK

150

Ground

BLK/WHT

651

Ground

Fuel Tank Pressure (FTP) Sensor

Connector Part Information

•

12059595

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

Wire Color

Circuit No.

Function

ORN/BLK

469

Low Reference

DK GRN

890

Fuel Tank Pressure Sensor Signal

GRY/BLK

416

5 Volt Reference

Heated Oxygen Sensor (HO2S) 1

Connector Part Information

•	Asm 12176897

Connector 12176896

Seal 12160481

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

Wire Color

Circuit No.

Function

DK GRN

676

Low Reference

PPL

412

HO2S High Signal

BLK/WHT

3113

HO2S Heater Low Control

PNK

839

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 2

Connector Part Information

•

12160825

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

Wire Color

Circuit No.

Function

TAN/WHT

1669

HO2S Low Signal

PPL/WHT

1668

HO2S High Signal

BLK

1050

Ground

PNK

839

Ignition 1 Voltage

Idle Air Control (IAC) Valve

Connector Part Information

•

12162190

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

Wire Color

Circuit No.

Function

LT GRN/BLK

444

IAC Coil B Low

LT GRN/WHT

1749

IAC Coil B High

LT BLU/BLK

1748

IAC Coil A Low

LT BLU/WHT

1747

IAC Coil A High

Ignition Control Module (ICM), C1

Connector Part Information

•

12162261

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

Wire Color

Circuit No.

Function

TAN/BLK

424

IC Timing Signal

WHT

423

IC Timing Control

C-D

Not Used

PPL/WHT

430

Low Resolution Engine Speed Signal

RED/BLK

453

Low Reference

Ignition Control Module (ICM), C2

Connector Part Information

•

12162194

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

Wire Color

Circuit No.

Function

BLK/WHT

Ground

PNK

239

Ignition 1 Voltage

Ignition Control Module (ICM), C3

Connector Part Information

•	12162184 Conn Assembly

Connector 12162181

Cable Seal 12092617

Connector Seal 12047908

•	3-Way F Metri-Pack 150.2 Pull-To-Seat Series (BLK)

Wire Color

Circuit No.

Function

YEL

573

CKP Sensor Signal

Not Used

PPL

574

Low Reference

Intake Air Temperature (IAT) Sensor

Connector Part Information

•

12162199

•	2-Way F Metri-Pack 150.2 Series, Pull TO Seat (GRY)

Wire Color

Circuit No.

Function

BLK

2760

Low Reference

TAN

472

IAT Sensor Signal

Knock Sensor (KS) 1

Connector Part Information

•

12176800

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

Wire Color

Circuit No.

Function

DK BLU

496

KS Signal

Manifold Absolute Pressure (MAP) Sensor

Connector Part Information

•

12020403

•	3-Way M Weather-Pack Tower Sealed (DK GRN)

Wire Color

Circuit No.

Function

ORN/BLK

469

Low Reference

LT GRN

432

MAP Sensor Signal

GRY

2704

5 Volt Reference

Mass Air Flow (MAF) Sensor

Connector Part Information

•

12059595

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

Wire Color

Circuit No.

Function

YEL

492

MAF Sensor Signal

BLK

451

Ground

PNK

339

Ignition 1 Voltage

Throttle Position (TP) Sensor

Connector Part Information

•

12110192

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

Wire Color

Circuit No.

Function

GRY

2701

5-Volt Reference

BLK

2752

Low Reference

DK BLU

417

TP Sensor Signal