GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Allure 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Engine Controls Connector End Views
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Camshaft Position (CMP) Sensor
Table 3: Crankshaft Position (CKP) Sensor
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
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 Sensor
Table 16: Heated Oxygen Sensor (HO2S) 1 (W/O NU3)
Table 17: Heated Oxygen Sensor (HO2S) 1 (NU3)
Table 18: Heated Oxygen Sensor (HO2S) 2
Table 19: Ignition Control Module (ICM)
Table 20: Knock Sensor (KS) 1
Table 21: Knock Sensor (KS) 2
Table 22: Manifold Absolute Pressure (MAP) Sensor
Table 23: Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor
Table 24: Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor, Bank 2 (NU3)
Table 25: Secondary Air Injection (AIR) Pump (NU3)
Table 26: Secondary Air Injection (AIR) Pump Relay (NU3)
Table 27: Secondary Air Injection (AIR) Solenoid Relay (NU3)
Table 28: Throttle Actuator Control (TAC) Module

Accelerator Pedal Position (APP) Sensor


Object Number: 632357 Size: CH

Connector Part Information
    • OEM: 15326829
    • Service: 88953153
    • 6-Way F 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

1272

Low Reference

B

L-BU

1162

APP Sensor 2 Signal

C

TN

1274

5-Volt Reference

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference

Camshaft Position (CMP) Sensor


Object Number: 1526379 Size: CH

Connector Part Information
    • OEM: Assembly 12162279
        Connector 12162272
        Cable Seal 12092862
        Connector Seal 12047908
    • Service: 12126476
    • 3-Way F Metri-Pack 150.2 Series, Pull To Seat (GY)

Pin

Wire Color

Circuit No.

Function

A

BN/WH

633

CMP Sensor Signal

B

BK/WH

836

Low Reference

C

WH/BK

644

12-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 280765 Size: CH

Connector Part Information
    • OEM: Assembly 12162834
        Connector 12162724
        Connector Seal 12040756
        Cable Seal 12078081
    • Service: See Catalog
    • 4-Way F Metri-Pack 150.2 Series, Sealed, Pull-To-Seat

Pin

Wire Color

Circuit No.

Function

A

L-BU/WH

1800

CKP Sensor 2 Signal

B

YE

573

CKP Sensor 1 Signal

C

BK/WH

836

Low Reference

D

WH/BK

644

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 655692 Size: CH

Connector Part Information
    • OEM: 12162193
    • Service: 88987183
    • 2-Way F Metri-Pack 150.2 Pull To Seat Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2761

Low Reference

B

YE

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 684795 Size: CH

Connector Part Information
    • OEM: 12052643
    • Service: 12101858
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

PK

339

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Valve Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 684795 Size: CH

Connector Part Information
    • OEM: 12052643
    • Service: 12101858
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

OG

2840

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Valve Control

Exhaust Gas Recirculation (EGR) Valve


Object Number: 684863 Size: CH

Connector Part Information
    • OEM: 12186056
    • Service: 12126477
    • 5-Way F Metri-Pack 150.2 Pull To Seat Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

435

EGR Solenoid Low Control

B

BK

2753

Low Reference

C

BN

1456

EGR Valve Position Signal

D

GY

2702

5-Volt Reference

E

RD

1676

EGR Solenoid High Control

Fuel Injector 1


Object Number: 1243578 Size: CH

Connector Part Information
    • OEM: 15421930
    • Service: See Catalog
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

639

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 1243578 Size: CH

Connector Part Information
    • OEM: 15421930
    • Service: See Catalog
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

639

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 1243578 Size: CH

Connector Part Information
    • OEM: 15421930
    • Service: See Catalog
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

639

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 1243578 Size: CH

Connector Part Information
    • OEM: 15421930
    • Service: See Catalog
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

639

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 1243578 Size: CH

Connector Part Information
    • OEM: 15421930
    • Service: See Catalog
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

639

Ignition 1 Voltage

B

BK/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 1243578 Size: CH

Connector Part Information
    • OEM: 15421930
    • Service: See Catalog
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

639

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly


Object Number: 684908 Size: CH

Connector Part Information
    • OEM: 15326631
    • Service: 15306360
    • 4-Way F GT 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

150

Ground

B

PU

30

Fuel Level Sensor Signal

C

BK/WH

651

Ground

D

GY

120

Fuel Pump Supply Voltage

Fuel Tank Pressure Sensor


Object Number: 516611 Size: CH

Connector Part Information
    • OEM: 12059595
    • Service: 88986451
    • 3-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY/BK

416

5-Volt Reference

Heated Oxygen Sensor (HO2S) 1 (W/O NU3)


Object Number: 456551 Size: CH

Connector Part Information
    • OEM: 12160482
    • Service: See Catalog
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

3111

HO2S Low Signal

B

PU/WH

3110

HO2S High Signal

C

BK/WH

3112

HO2S Heater Low Control Sensor 1

D

PK

839

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 1 (NU3)


Object Number: 1526380 Size: CH

Connector Part Information
    • OEM: 12176896
    • Service: See Catalog
    • 4-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

3111

HO2S Low Signal

B

PU/WH

3110

HO2S High Signal

C

BK/WH

3112

HO2S Heater Low Control Sensor 1

D

PK

839

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 2


Object Number: 806613 Size: CH

Connector Part Information
    • OEM: 15326423
    • Service: 15306319
    • 4-Way M Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

3121

HO2S Low Signal

B

PU

3120

HO2S High Signal

C

BK/WH

3122

HO2S Heater Low Control Sensor 2

D

PK

839

Ignition 1 Voltage

Ignition Control Module (ICM)


Object Number: 516619 Size: CH

Connector Part Information
    • OEM: 12124379
    • Service: 12167123
    • 14-Way F Metri-Pack 150 Pull To Seat Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

423

IC Timing Control

B

TN/BK

424

IC Timing Signal

C

L-BU/BK

647

Medium Resolution Engine Speed Signal

D

PU/WH

430

Low Resolution Engine Speed Signal

E

--

--

Not Used

F

BK

630

Camshaft Position Signal

G

YE

573

CKP Sensor 1 Signal

H

L-BU/WH

1800

CKP Sensor 2 Signal

J

BN/WH

633

CMP Sensor Signal

K

BK/WH

51

Ground

L

RD/BK

453

Low Reference

M

BK/WH

836

Low Reference

N

WH/BK

644

12-Volt Reference

P

PK

239

Ignition 1 Voltage

Knock Sensor (KS) 1


Object Number: 95764 Size: CH

Connector Part Information
    • OEM: 12176800
    • Service: 15306070
    • 1-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

1

D-BU

496

Knock Sensor 1 Signal

Knock Sensor (KS) 2


Object Number: 95764 Size: CH

Connector Part Information
    • OEM: 12176800
    • Service: 15306070
    • 1-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

1

L-BU

1876

Knock Sensor 2 Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840 Size: CH

Connector Part Information
    • OEM: 12129946
    • Service: 12129946
    • 3-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

MAP Sensor Signal

C

GY

2704

5-Volt Reference

Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor


Object Number: 647974 Size: CH

Connector Part Information
    • OEM: 15326822
    • Service: 15326822
    • 5-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

PK

339

Ignition 1 Voltage

C

BK/WH

451

Ground

D

TN

472

IAT Sensor Signal

E

BK

2760

Low Reference

Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor, Bank 2 (NU3)


Object Number: 1526382 Size: CH

Connector Part Information
    • OEM: 15460171
    • Service: See Catalog
    • 6-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

476

Low Reference

2

WH

5268

Air Pressure Sensor Signal

3

GY

474

5-Volt Reference

4

BK/WH

451

Ground

5

--

--

Not Used

6

PU

421

Air Injection Reaction Solenoid Relay Coil Control

Secondary Air Injection (AIR) Pump (NU3)


Object Number: 1526384 Size: CH

Connector Part Information
    • OEM: 15326677
    • Service: 88953351
    • 2-Way F GT 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

RD

78

Air Pump Supply Voltage

B

BK

1050

Ground

Secondary Air Injection (AIR) Pump Relay (NU3)


Object Number: 603108 Size: CH

Connector Part Information
    • OEM: 15336745
    • Service: 15306331
    • 4-Way F GR 280 Series, Metri-Pack 800 Series, Sealed (GY)

Pin

Wire Color

Circuit No.

Function

30

OG

1540

Battery Positive Voltage

85

PK

339

Ignition 1 Voltage

86

BN/WH

436

Air Pump Relay Control

87

RD

78

Air Pump Supply Voltage

Secondary Air Injection (AIR) Solenoid Relay (NU3)


Object Number: 535912 Size: CH

Connector Part Information
    • OEM: 12129716
    • Service: 15306045
    • 4-Way F Metri-Pack 280 Series, Flexlock (GY)

Pin

Wire Color

Circuit No.

Function

30

PK

339

Ignition 1 Voltage

85

PK

339

Ignition 1 Voltage

86

PK/BK

429

Air Injection Reaction Solenoid Relay Coil Control

87

PU

421

Air Injection Reaction Solenoid Control

Throttle Actuator Control (TAC) Module


Object Number: 1243581 Size: CH

Connector Part Information
    • OEM: 15355368
    • Service: 15355368
    • 20-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

1

TN

1274

5-Volt Reference

2

PU

1272

Low Reference

3

L-BU

1162

APP Sensor 2 Signal

4

D-GN

389

Vehicle Speed Signal

5

--

--

Not Used

6

WH

17

Stop Lamp Switch Signal

7

OG/BK

1061

UART Serial Data Secondary

8

TN/WH

551

Ground

9-10

--

--

Not Used

11

D-BU

1161

APP Sensor 1 Signal

12

BN

1271

Low Reference

13

WH/BK

1164

5-Volt Reference

14-15

--

--

Not Used

16

TN

800

UART Serial Data Primary

17

TN/WH

551

Ground

18

PK

39

Ignition 1 Voltage

19-20

--

--

Not Used