GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Crankshaft Position (CKP) Sensor
Table 3: Engine Coolant Temperature (ECT) Sensor
Table 4: Evaporative Emission (EVAP) Canister Purge Solenoid
Table 5: Fuel Injector 1
Table 6: Fuel Injector 2
Table 7: Fuel Injector 3
Table 8: Fuel Injector 4
Table 9: Fuel Pump and Sender Assembly
Table 10: Fuel Tank Pressure (FTP) Sensor
Table 11: Heated Oxygen Sensor (HO2S) Sensor 1
Table 12: Heated Oxygen Sensor (HO2S) Sensor 2
Table 13: Ignition Control Module (ICM)
Table 14: Knock Sensor (KS)
Table 15: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Table 16: Manifold Absolute Pressure (MAP) Sensor
Table 17: Throttle Actuator Control (TAC) Module

Accelerator Pedal Position (APP) Sensor


Object Number: 886053  Size: CH

Connector Part Information

    • 15326830
    • 6-Way F GT 150 Series (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

Crankshaft Position (CKP) Sensor


Object Number: 900247  Size: CH

Connector Part Information

    • 15449028
    • 2-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

574

Low Reference

B

YE

573

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 655692  Size: CH

Connector Part Information

    • 15449028
    • 2-Way F GT 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

2761

Low Reference

B

YE

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


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

5291

Engine Main Relay Fused Control

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Fuel Injector 1


Object Number: 806497  Size: CH

Connector Part Information

    • 15326180
    • 2-Way F Micro-Pack 64 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 806497  Size: CH

Connector Part Information

    • 15326180
    • 2-Way F Micro-Pack 64 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 806497  Size: CH

Connector Part Information

    • 15326180
    • 2-Way F Micro-Pack 64 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 806497  Size: CH

Connector Part Information

    • 15326180
    • 2-Way F Micro-Pack 64 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Pump and Sender Assembly


Object Number: 1464949  Size: CH

Connector Part Information

    • 22666266
    • 4-Way F (GY)

Pin

Wire Color

Circuit No.

Function

1

GY

120

Fuel Pump Supply Voltage

2

PU

1589

Fuel Level Sensor Signal

3

BK/WH

651

Low Reference

4

BK

1250

Ground

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

705

5-Volt Reference

Heated Oxygen Sensor (HO2S) Sensor 1


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

TN/WH

3111

HO2S Low Signal

B

PU/WH

3110

HO2S High Signal

C

GY/WH

3113

HO2S Heater Low Control

D

PK/BK

5291

Ignition 3 Voltage

Heated Oxygen Sensor (HO2S) Sensor 2


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/WH

3121

HO2S Low Signal

B

PU

3120

HO2S High Signal

C

GY/WH

3122

HO2S Heater Low Control

D

PK/BK

5291

Ignition 3 Voltage

Ignition Control Module (ICM)


Object Number: 877917  Size: CH

Connector Part Information

    • 15464996
    • 9-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

WH

423

IC Timing Control A

C-D

--

--

Not Used

E

BK

450

Ground

F

BN/WH

633

Camshaft Position Signal

G

OG

406

IC Timing Control B

H-J

--

--

Not Used

Knock Sensor (KS)


Object Number: 684799  Size: CH

Connector Part Information

    • 12077900
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

Knock Sensor Signal

B

GY

1716

Low Reference

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


Object Number: 647974  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

BK/WH

451

Ground

C

PK/BK

5291

Engine Main Relay Fused Control 2

D

TN/BK

2760

Low Reference

E

TN

472

IAT Sensor Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • 12129946
    • 3-Way F Metri-Pack 150 SLD (L-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

Throttle Actuator Control (TAC) Module


Object Number: 646400  Size: CH

Connector Part Information

    • 15326835
    • 8-Way F GT 150 SLD 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

TP Sensor 1 Signal

B

TN/WH

1704

Low Reference

C

GY

2701

5-Volt Reference

D

PU

486

TP Sensor 2 Signal

E

BN

582

TAC Motor Control - 2

F

YE

581

TAC Motor Control - 1

G

TN

2752

Low Reference

H

L-BU/BK

1688

5-Volt Reference