GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Brake Booster Vacuum Sensor
Table 3: Camshaft Position (CMP) Sensor
Table 4: Crankshaft Position (CKP) Sensor
Table 5: Engine Coolant Temperature (ECT) Sensor
Table 6: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Table 7: Evaporative Emission (EVAP) Canister Vent Solenoid
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 Injector 7
Table 15: Fuel Injector 8
Table 16: Fuel Pump and Sender Assembly
Table 17: Fuel Tank Pressure (FTP) Sensor
Table 18: Heated Oxygen Sensor (HO2S) 1
Table 19: Heated Oxygen Sensor (HO2S) 2
Table 20: Ignition Coil 1
Table 21: Ignition Coil 2
Table 22: Ignition Coil 3
Table 23: Ignition Coil 4
Table 24: Ignition Coil 5
Table 25: Ignition Coil 6
Table 26: Ignition Coil 7
Table 27: Ignition Coil 8
Table 28: Knock Sensor (KS) 1
Table 29: Knock Sensor (KS) 2
Table 30: Manifold Absolute Pressure (MAP) Sensor
Table 31: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Table 32: Throttle Actuator Control (TAC) Module
Table 33: Valve Lifter Oil Manifold (VLOM) Assembly

Accelerator Pedal Position (APP) Sensor


Object Number: 632357  Size: CH

Connector Part Information

    • 15326929
    • 6-Way F GT 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 A

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference B

Brake Booster Vacuum Sensor


Object Number: 1468512  Size: CH

Connector Part Information

    • 15448870
    • 3-Way F 3P 1.5mm (GY)

Pin

Wire Color

Circuit No.

Function

1

OG

6030

Brake Booster Vacuum Signal

2

YE/BK

6032

Low Reference

3

GY

6031

5-Volt Reference A

Camshaft Position (CMP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

RD

631

12-Volt Reference

B

PK/BK

632

Low Reference

C

BN/WH

633

CMP Sensor Signal

Crankshaft Position (CKP) Sensor


Object Number: 366117  Size: CH

Connector Part Information

    • 15324165
    • 3-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

D-BU

1869

CKP Sensor Signal

B

YE

1868

Low Reference

C

L-GN

1867

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 1538760  Size: CH

Connector Part Information

    • 15449028
    • 2-Way F GT 150 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

    • 12052643
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5293

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 684795  Size: CH

Connector Part Information

    • 12052637
    • 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 Control

Fuel Injector 1


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

BK/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

RD/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 1527729  Size: CH

Connector Part Information

    • 15419715
    • 2-Way F GT 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

D-BU/WH

878

Fuel Injector 8 Control

Fuel Pump and Sender Assembly


Object Number: 456551  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

30

Fuel Level Sensor Signal

B

GY

120

Fuel Pump Supply Voltage

C

BK

150

Ground

D

BK/WH

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 (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 A

Heated Oxygen Sensor (HO2S) 1


Object Number: 280761  Size: CH

Connector Part Information

    • 12160825
    • 4-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal

B

PU/WH

1665

HO2S High Signal

C

BK/WH

3113

HO2S Heater Low Control Sensor 1

D

PK/BK

5293

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 2


Object Number: 806613  Size: CH

Connector Part Information

    • 15326423
    • 4-Way M Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal

B

PU/WH

1668

HO2S High Signal

C

BN

2391

HO2S Heater Low Control Sensor 2

D

PK/BK

5293

Ignition 1 Voltage

Ignition Coil 1


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 2


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 2 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 3


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 3 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 4


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 4 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 5


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 5 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 6


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 6 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 7


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 7 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 8


Object Number: 1581641  Size: CH

Connector Part Information

    • 15439568
    • 4-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 8 Control

D

PK

39

Ignition 1 Voltage

Knock Sensor (KS) 1


Object Number: 1232999  Size: CH

Connector Part Information

    • 15374222
    • 2-Way F GT 150 Series Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

Knock Sensor 1 Signal

B

GY

1716

Low Reference

Knock Sensor (KS) 2


Object Number: 1232999  Size: CH

Connector Part Information

    • 15374222
    • 2-Way F GT 150 Series Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1876

Knock Sensor 2 Signal

B

GY

2303

Low Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • 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 A

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


Object Number: 647974  Size: CH

Connector Part Information

    • 15326822
    • 5-Way F GT 150 Series Sealed 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

PK/BK

5294

Ignition 1 Voltage

C

BK/WH

451

Ground

D

TN

472

IAT Sensor Signal

E

BK

2760

Low Reference

Throttle Actuator Control (TAC) Module


Object Number: 831368  Size: CH

Connector Part Information

    • 15326836
    • 8-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

TP Sensor 1 Signal

B

L-BU/BK

1688

5-Volt Reference B

C

RD/BK

645

Low Reference

D

PU

486

TP Sensor 2 Signal

E

YE

581

TAC Motor Control-1

F

BN

582

TAC Motor Control-2

G

GY

605

5-Volt Reference B

H

BK/WH

1704

Low Reference

Valve Lifter Oil Manifold (VLOM) Assembly


Object Number: 684863  Size: CH

Connector Part Information

    • 12186057
    • 5-Way F Metri-Pack 150.2 Pull to Seat Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

5494

Cylinder 4 Shutoff Solenoid Control

B

GY

5493

Cylinder 6 Shutoff Solenoid Control

C

D-BU

5491

Cylinder 1 Shutoff Solenoid Control

D

L-GN

5492

Cylinder 7 Shutoff Solenoid Control

E

PK/BK

5294

Ignition 1 Voltage