GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Connector End Views
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor
Table 3: Engine Coolant Temperature (ECT) Sensor
Table 4: Engine Oil Level Switch
Table 5: Engine Oil Pressure (EOP) Sensor
Table 6: Evaporative Emissions (EVAP) Canister Purge Solenoid
Table 7: Evaporative Emissions (EVAP) Canister Vent Solenoid
Table 8: Exhaust Gas Recirculation (EGR) Valve
Table 9: Fuel Injectors (L36)
Table 10: Fuel Injectors (L67)
Table 11: Fuel Pump and Sender Assembly
Table 12: Fuel Tank Pressure (FTP) Sensor
Table 13: Heated Oxygen Sensor (HO2S) Sensor 1
Table 14: Heated Oxygen Sensor (HO2S) Sensor 2
Table 15: Idle Air Control (IAC) Valve
Table 16: Ignition Control Module (ICM)
Table 17: Intake Air Temperature (IAT) Sensor
Table 18: Knock Sensor (KS) Bank 1
Table 19: Knock Sensor (KS) Bank 2
Table 20: Manifold Absolute Pressure (MAP) Sensor (VIN K)
Table 21: Manifold Absolute Pressure (MAP) Sensor (VIN 1)
Table 22: Mass Air Flow (MAF) Sensor
Table 23: Supercharger Boost Control Solenoid
Table 24: Throttle Position (TP) Sensor
Table 25: TCC/Cruise Release Switch
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

Low Reference

C

WHT/BLK

644

12-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

Low Reference

D

WHT/BLK

644

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 518983 Size: CH

Connector Part Information
    • 12162192
    • 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

Engine Oil Level Switch


Object Number: 35437 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

BLK/WHT

51

Ground

Engine Oil Pressure (EOP) Sensor


Object Number: 258299 Size: CH

Connector Part Information
    • 12065286
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Low Reference

B

GRY

605

5-Volt Reference

C

TAN/WHT

332

Oil Pressure Sensor Signal

Evaporative Emissions (EVAP) Canister Purge Solenoid


Object Number: 35437 Size: CH

Connector Part Information
    • 12124036
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition 1 Voltage

B

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emissions (EVAP) Canister Vent Solenoid


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

39

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 Injectors (L36)


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

1039

Ignition 1 Voltage

B

BLK

1744

Fuel Injector 1 Control

B

LT GRN/BLK

1745

Fuel Injector 2 Control

B

PNK/BLK

1746

Fuel Injector 3 Control

B

LT BLU/BLK

844

Fuel Injector 4 Control

B

BLK/WHT

845

Fuel Injector 5 Control

B

YEL/BLK

846

Fuel Injector 6 Control

Fuel Injectors (L67)


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

1039

Ignition 1 Voltage

B

BLK

1744

Fuel Injector 1 Control

B

LT GRN/BLK

1745

Fuel Injector 2 Control

B

PNK/BLK

1746

Fuel Injector 3 Control

B

LT BLU/BLK

844

Fuel Injector 4 Control

B

BLK/WHT

845

Fuel Injector 5 Control

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

30

Fuel Level Sensor Signal

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

650

Ground

D

BLK/WHT

651

Ground

Fuel Tank Pressure (FTP) Sensor


Object Number: 62453 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

605

5-Volt Reference

Heated Oxygen Sensor (HO2S) Sensor 1


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

TAN

413

HO2S Low Signal - Sensor 1

B

PPL

412

HO2S High Signal - Sensor 1

C

BLK/WHT

51

Ground

D

PNK

639

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Sensor 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/WHT

51

Ground

D

PNK

639

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

LT 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

Low Reference

N

WHT/BLK

644

12-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

Low Reference

B

TAN

472

IAT Sensor Signal

Knock Sensor (KS) Bank 1


Object Number: 95764 Size: CH

Connector Part Information
    • 12176800
    • 1F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

496

Knock Sensor 1 Signal

Knock Sensor (KS) Bank 2


Object Number: 95764 Size: CH

Connector Part Information
    • 12176800
    • 1F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

1876

Knock Sensor 2 Signal

Manifold Absolute Pressure (MAP) Sensor (VIN K)


Object Number: 68740 Size: CH

Connector Part Information
    • 12129945
    • 3-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

LT GRN

432

MAP Sensor Signal

C

GRY

605

5-Volt Reference

Manifold Absolute Pressure (MAP) Sensor (VIN 1)


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

Low Reference

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

51

Ground

C

PNK

439

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

339

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

Low Reference

B

DK BLU

417

TP Sensor Signal

C

GRY

605

5-Volt Reference

TCC/Cruise Release Switch


Object Number: 258178 Size: CH

Connector Part Information
    • 12033705
    • 4-Way F Metri-Pack 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition 1 Voltage

B

PPL

420

TCC Brake Switch Signal

C

TAN

848

Brake Switch Signal

D

BLK/WHT

351

Ground

Vehicle Speed Sensor (VSS)


Object Number: 237066 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PPL

401

VSS Low Signal

B

YEL

400

VSS High Signal