GM Service Manual Online
For 1990-2009 cars only
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 (Early Production)
Table 5: Engine Coolant Temperature (ECT) Sensor (Late Production)
Table 6: Evaporative Emissions (EVAP) Canister Purge Valve
Table 7: Evaporative Emissions (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 Tank Pressure Sensor
Table 17: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 18: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 19: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 20: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 21: Ignition Coil/Module 1
Table 22: Ignition Coil/Module 2
Table 23: Ignition Coil/Module 3
Table 24: Ignition Coil/Module 4
Table 25: Ignition Coil/Module 5
Table 26: Ignition Coil/Module 6
Table 27: Ignition Coil/Module 7
Table 28: Ignition Coil/Module 8
Table 29: Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Table 30: Knock Sensor (KS) Bank 1
Table 31: Knock Sensor (KS) Bank 2
Table 32: Manifold Absolute Pressure (MAP) Sensor
Table 33: Throttle Body Assembly

Accelerator Pedal Position (APP) Sensor


Object Number: 886053  Size: CH

Connector Part Information

    • OEM: 15326830
    • Service: 88953153
    • 6-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1271

Accelerator Pedal Position Low Reference (1)

B

D-BU

1161

Accelerator Pedal Position Signal (1)

C

WH/BK

1164

Accelerator Pedal Position 5-Volt Reference (1)

D

TN

1274

Accelerator Pedal Position 5-Volt Reference (2)

E

L-BU

1162

Accelerator Pedal Position Signal (2)

F

PU

1272

Accelerator Pedal Position Low Reference (2)

Camshaft Position (CMP) Sensor


Object Number: 684807  Size: CH

Connector Part Information

    • OEM: 12110293
    • Service: 12117025
    • 3-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

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

    • OEM: 15324165
    • Service: 15306120
    • 3-Way F Metri-Pack 150 Series (NA)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1869

CKP Sensor Signal

B

YE/BK

1868

Low Reference

C

L-GN

1867

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor (Early Production)


Object Number: 1468493  Size: CH

Connector Part Information

    • OEM: Assembly 15359366
        Connector 15359364
        PLR 15336006
        Connector Seal 12040750
    • Service: See Catalog
    • 2-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

2761

Coolant Temperature Sensor Low Reference

B

YE

410

Engine Coolant Temperature Sensor Signal

Engine Coolant Temperature (ECT) Sensor (Late Production)


Object Number: 1538760  Size: CH

Connector Part Information

    • OEM: Assembly 15449028
        Connector 15449024
        PLR 15336006
        Connector Seal 12040750
    • Service: 15449028
    • 2-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

2761

Coolant Temperature Sensor Low Reference

B

YE

410

Engine Coolant Temperature Sensor Signal

Evaporative Emissions (EVAP) Canister Purge 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

539

Run/Crank Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emissions (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

RD/WH

2840

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

39

Run/Crank Ignition 1 Voltage

2

TN

1744

Fuel Injector Control (1)

Fuel Injector 2


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Run/Crank Ignition 1 Voltage

2

L-GN/BK

1745

Fuel Injector Control (2)

Fuel Injector 3


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

39

Run/Crank Ignition 1 Voltage

2

PK/BK

1746

Fuel Injector Control (3)

Fuel Injector 4


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Run/Crank Ignition 1 Voltage

2

L-BU/BK

844

Fuel Injector Control (4)

Fuel Injector 5


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

39

Run/Crank Ignition 1 Voltage

2

TN/WH

845

Fuel Injector Control (5)

Fuel Injector 6


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Run/Crank Ignition 1 Voltage

2

YE/BK

846

Fuel Injector Control (6)

Fuel Injector 7


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

39

Run/Crank Ignition 1 Voltage

2

OG/BK

877

Fuel Injector Control (7)

Fuel Injector 8


Object Number: 1659331  Size: CH

Connector Part Information

    • OEM: E-2157-000 (EPC)
    • Service: See Catalog
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Run/Crank Ignition 1 Voltage

2

D-BU/WH

878

Fuel Injector Control (8)

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

TN

2759

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

2709

5-Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 874937  Size: CH

Connector Part Information

    • OEM: 12146047
    • Service: 12146047
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal Bank 1 Sensor 1

C

--

--

Not Available

D

PK

339

Ignition 1 Voltage

E

GY/WH

3113

HO2S Heater Low Control Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 806613  Size: CH

Connector Part Information

    • OEM: 15326423
    • Service: 15306319
    • 4-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal Bank 1 Sensor 2

B

PU/WH

1668

HO2S High Signal Bank 1 Sensor 2

C

BN

2391

HO2S Heater Low Control Bank 1 Sensor 2

D

PK

339

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 874937  Size: CH

Connector Part Information

    • OEM: 12146047
    • Service: 12146047
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1667

HO2S Low Signal Bank 2 Sensor 1

B

PU

1666

HO2S High Signal Bank 2 Sensor 1

C

--

--

Not Available

D

PK

339

Ignition 1 Voltage

E

L-GN

3212

HO2S Heater Low Control Bank 2 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 806613  Size: CH

Connector Part Information

    • OEM: 15326423
    • Service: 15306319
    • 4-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1671

HO2S Low Signal Bank 2 Sensor 2

B

PU

1670

HO2S High Signal Bank 2 Sensor 2

C

OG/WH

3223

HO2S Heater Low Control Bank 2 Sensor 2

D

PK

339

Ignition 1 Voltage

Ignition Coil/Module 1


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (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/Module 2


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2130

Low Reference

C

RD

2122

IC 2 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 3


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (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/Module 4


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2130

Low Reference

C

D-GN

2124

IC 4 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 5


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (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/Module 6


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2130

Low Reference

C

L-BU

2126

IC 6 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil/Module 7


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (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/Module 8


Object Number: 684854  Size: CH

Connector Part Information

    • OEM: 12162144
    • Service: 12102741
    • 4-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2130

Low Reference

C

PU

2128

IC 8 Control

D

PK

39

Ignition 1 Voltage

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


Object Number: 366067  Size: CH

Connector Part Information

    • OEM: 15305555
    • Service: 15306113
    • 5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

2760

Intake Air Temperature Sensor Low Reference

B

TN

472

Intake Air Temperature Sensor Signal

C

BK/WH

451

Ground

D

PK

539

12-Volt Reference

E

YE

492

Mass Air Flow Sensor Signal

Knock Sensor (KS) Bank 1


Object Number: 1232999  Size: CH

Connector Part Information

    • OEM: 15374222
    • Service: NS
    • 2-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

KS Signal Bank 1

B

GY

1716

KS Low Reference Bank 1

Knock Sensor (KS) Bank 2


Object Number: 1232999  Size: CH

Connector Part Information

    • OEM: 15374222
    • Service: NS
    • 2-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1876

KS Signal Bank 2

B

GY

2303

KS Low Reference Bank 2

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

Manifold Absolute Pressure Sensor Low Reference

B

L-GN

432

Manifold Absolute Pressure Sensor Signal

C

GY

2704

Manifold Absolute Pressure Sensor 5-Volt Reference

Throttle Body Assembly


Object Number: 1664617  Size: CH

Connector Part Information

    • OEM: 15355297
    • Service: 19115594
    • 6-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

582

TAC Motor Control - 2

B

YE

581

TAC Motor Control - 1

C

TN/WH

1704

Low Reference

D

D-GN

485

TP Sensor 1 Signal

E

L-BU/BK

1688

5-Volt Reference

F

PU

486

TP Sensor 2 Signal