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
Table 5: Evaporative Emissions (EVAP) Canister Purge Solenoid
Table 6: Fuel Injector 1
Table 7: Fuel Injector 2
Table 8: Fuel Injector 3
Table 9: Fuel Injector 4
Table 10: Fuel Injector 5
Table 11: Fuel Injector 6
Table 12: Fuel Pump and Sender Assembly - Primary
Table 13: Fuel Pump and Sender Assembly -- Secondary
Table 14: Fuel Tank Pressure (FTP) Sensor
Table 15: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 16: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 17: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 18: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 19: Ignition Control Module (ICM) Bank 1
Table 20: Ignition Control Module (ICM) Bank 2
Table 21: Intake Manifold Runner Control Solenoid
Table 22: Knock Sensor (KS) 1
Table 23: Knock Sensor (KS) 2
Table 24: Mass Air Flow (MAF) Sensor
Table 25: Throttle Actuator Control (TAC) Module
Table 26: Wheel Speed Signal Conditioner Module (w/o ABS)

Accelerator Pedal Position (APP) Sensor


Object Number: 632344  Size: CH

Connector Part Information

    • 15326842
    • 10-Way F Sealed Series (BK)

Pin

Wire Color

Circuit Number

Function

A-C

--

--

Not Used

D

WH/BK

1164

5 Volt Reference A

E

D-BU

1161

APP Sensor 1 Signal

F

--

--

Not Used

G

PU

1272

Low Reference

H

L-BU

1162

APP Sensor 2 Signal

J

TN

1274

5 Volt Reference B

K

BN

1271

Low Reference

Camshaft Position (CMP) Sensor


Object Number: 816171  Size: CH

Connector Part Information

    • 1928403870
    • 3-Way F Bosch Connector (BK)

Pin

Wire Color

Circuit Number

Function

1

BK

2761

Low Reference

2

BN/WH

633

CMP Sensor Signal

3

WH

5290

Ignition 1 Voltage

Crankshaft Position (CKP) Sensor


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 3-Way F Bosch Connector (BK)

Pin

Wire Color

Circuit Number

Function

1

WH/BK

5039

CKP Sensor High

2

PU/WH

5024

CKP Sensor Low

3

--

--

Not Used

Engine Coolant Temperature (ECT) Sensor


Object Number: 926909  Size: CH

Connector Part Information

    • 1928403698
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

410

ECT Sensor Signal

2

BK

2761

Low Reference

Evaporative Emissions (EVAP) Canister Purge Solenoid


Object Number: 926909  Size: CH

Connector Part Information

    • 1928403698
    • 2-Way F Bosch Connector (BK)

Pin

Wire Color

Circuit Number

Function

1

WH

5291

Ignition 1 Voltage

2

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Fuel Injector 1


Object Number: 1363810  Size: CH

Connector Part Information

    • AMP 282189-1
    • 2-Way F Junior Power Timer (BK)

Pin

Wire Color

Circuit Number

Function

1

RD/BU

5292

Ignition 1 Voltage

2

BN/YE

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 1363810  Size: CH

Connector Part Information

    • AMP 282189-1
    • 2-Way F Junior Power Timer (BK)

Pin

Wire Color

Circuit Number

Function

1

RD/BU

5292

Ignition 1 Voltage

2

BN/L-GN

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 1363810  Size: CH

Connector Part Information

    • AMP 282189-1
    • 2-Way F Junior Power Timer (BK)

Pin

Wire Color

Circuit Number

Function

1

RD/BU

5292

Ignition 1 Voltage

2

BN/BU

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 1363810  Size: CH

Connector Part Information

    • AMP 282189-1
    • 2-Way F Junior Power Timer (BK)

Pin

Wire Color

Circuit Number

Function

1

RD/BU

5292

Ignition 1 Voltage

2

BN/RD

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 1363810  Size: CH

Connector Part Information

    • AMP 282189-1
    • 2-Way F Junior Power Timer (BK)

Pin

Wire Color

Circuit Number

Function

1

RD/BU

5292

Ignition 1 Voltage

2

BN/BK

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 1363810  Size: CH

Connector Part Information

    • AMP 282189-1
    • 2-Way F Junior Power Timer (BK)

Pin

Wire Color

Circuit Number

Function

1

RD/BU

5292

Ignition 1 Voltage

2

BN/PU

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly - Primary


Object Number: 684908  Size: CH

Connector Part Information

    • 15326631
    • 4-Way F GT 280 Sealed 5.8 (BK)

Pin

Wire Color

Circuit Number

Function

A

GY

120

Fuel Pump Supply Voltage

B

PU

1589

Fuel Level Sensor Signal

C

BU

930

Fuel Level Sensor Signal - Common

D

BK

850

Ground

Fuel Pump and Sender Assembly -- Secondary


Object Number: 684908  Size: CH

Connector Part Information

    • 15326631
    • 4-Way F GT 280 Sealed 5.8 (BK)

Pin

Wire Color

Circuit Number

Function

A

--

--

Not Used

B

BU

930

Fuel Level Sensor Signal - Common

C

BK/WH

2759

Low Reference

D

--

--

Not Used

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 Number

Function

A

BK

2759

Low Reference

B

D-BN

890

FTP Sensor Signal

C

GY

2709

5 Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

WH

5291

Ignition 1 Voltage

2

L-BU

5038

HO2S Heater Low Control

3

TN/WH

1653

HO2S Low Signal

4

PU/WH

1665

HO2S High Signal

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

WH

5291

Ignition 1 Voltage

2

PU

5035

HO2S Heater Low Control

3

TN/WH

1669

HO2S Low Signal

4

PU/WH

1668

HO2S High Signal

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

WH

5291

Ignition 1 Voltage

2

PU/WH

5037

HO2S Heater Low Control

3

TN

1667

HO2S Low Signal

4

PU

1666

HO2S High Signal

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

WH

5291

Ignition 1 Voltage

2

YE

5036

HO2S Heater Low Control

3

TN

1671

HO2S Low Signal

4

PU

1670

HO2S High Signal

Ignition Control Module (ICM) Bank 1


Object Number: 816175  Size: CH

Connector Part Information

    • 1928403204
    • 6-Way F Bosch Connector (BK)

Pin

Wire Color

Circuit Number

Function

1

BK/WH

451

Ground

2

PK

39

Ignition 1 Voltage

3

D-GN

2125

IC 5 Control

4

L-BU

2123

IC 3 Control

5

PU

2121

IC 1 Control

Ignition Control Module (ICM) Bank 2


Object Number: 816174  Size: CH

Connector Part Information

    • 1928403815
    • 6-Way F Bosch Connector (GY)

Pin

Wire Color

Circuit Number

Function

1

BK/WH

451

Ground

2

PK

39

Ignition 1 Voltage

3

RD/WH

2122

IC 6 Control

4

D-GN/WH

2124

IC 4 Control

5

L-BU/WH

2126

IC 2 Control

Intake Manifold Runner Control Solenoid


Object Number: 1283118  Size: CH

Connector Part Information

    • 401793
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

OG

5041

IMRC Solenoid Control

2

WH

5292

Ignition 1 Voltage

Knock Sensor (KS) 1


Object Number: 926909  Size: CH

Connector Part Information

    • 1928403698
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

D-BU

496

Knock Sensor 1 Signal

2

GY

1716

Low Reference

Knock Sensor (KS) 2


Object Number: 926909  Size: CH

Connector Part Information

    • 1928403698
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

L-BU

1876

Knock Sensor 2 Signal

2

TN

407

Low Reference

Mass Air Flow (MAF) Sensor


Object Number: 1283127  Size: CH

Connector Part Information

    • 1928404641
    • 5-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

TN

472

IAT Sensor Signal

2

WH

5291

Ignition 1 Voltage

3

BK

2761

Low Reference

4

BK

2760

5 Volt Reference A

5

YE

492

MAF Sensor Signal

Throttle Actuator Control (TAC) Module


Object Number: 816178  Size: CH

Connector Part Information

    • 1-967616-1
    • 6-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

581

TAC Motor Control - 1

2

BK

2752

Low Reference

3

GY

2701

5 Volt Reference B

4

BN

582

TAC Motor Control - 2

5

PU

486

TP Sensor 2 Signal

6

D-GN

485

TP Sensor 1 Signal

Wheel Speed Signal Conditioner Module (w/o ABS)


Object Number: 39680  Size: CH

Connector Part Information

    • 12033871
    • 5-Way F Metri-Pack 630 Series (BK)

Pin

Wire Color

Circuit Number

Function

1

BK

650

Ground

2

WH

1909

Vehicle Speed Signal

3

TN

833

Right Front Wheel Speed Sensor

4

D-GN

872

Right Front Wheel Speed Sensor

5

PK

239

Ignition 1 Voltage