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: Engine Oil Pressure (EOP) Sensor
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 Pump and Sender Assembly
Table 15: Fuel Tank Pressure (FTP) Sensor
Table 16: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 17: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 18: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 19: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 20: Ignition Coil Bank 1
Table 21: Ignition Coil Bank 2
Table 22: Intake Manifold Runner Control (IMRC) Solenoid
Table 23: Intake Manifold Tuning Valve (IMTV) Solenoid
Table 24: Knock Sensor (KS) 1
Table 25: Knock Sensor (KS) 2
Table 26: Mass Air Flow (MAF) Sensor
Table 27: Secondary Fuel Pump and Sender Assembly
Table 28: Throttle Position (TP) Sensor

Accelerator Pedal Position (APP) Sensor


Object Number: 570216  Size: CH

Connector Part Information

    • 12065425
    • 10-Way F (BK)

Pin

Wire Color

Circuit Number

Function

A-C

--

--

Not Used

D

WH/BK

1164

5 Volt Reference

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

K

BN

1271

Low Reference

Camshaft Position (CMP) Sensor


Object Number: 816171  Size: CH

Connector Part Information

    • 1928403870
    • 3-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

PK/BK

632

Low Reference

2

BN/WH

633

Camshaft Sensor Signal

3

PK

639

Ignition 1 Voltage

Crankshaft Position (CKP) Sensor


Object Number: 816171  Size: CH

Connector Part Information

    • 1928403870
    • 3-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

WH/BK

5039

CKP Sensor High

2

PU/WH

5024

CKP Sensor Low

3

BK

1705

Shielded Ground

Engine Coolant Temperature (ECT) Sensor


Object Number: 816172  Size: CH

Connector Part Information

    • 1928403422
    • 2-Way F (WH)

Pin

Wire Color

Circuit Number

Function

1

YE

410

ECT Sensor Signal

2

TN

2761

Low Reference

Engine Oil Pressure (EOP) Sensor


Object Number: 816177  Size: CH

Connector Part Information

    • 400265
    • 1-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

TN/BK

231

Oil Pressure Switch Signal

Evaporative Emissions (EVAP) Canister Purge Valve


Object Number: 816172  Size: CH

Connector Part Information

    • 1928403698
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

139

Ignition 1 Voltage

2

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emissions (EVAP) Canister Vent Solenoid


Object Number: 684795  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F (RD)

Pin

Wire Color

Circuit Number

Function

A

PK

1539

Ignition 1 Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 811178  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

1239

Ignition 1 Voltage

2

TN

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 811178  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

1239

Ignition 1 Voltage

2

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 811178  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

1239

Ignition 1 Voltage

2

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 811178  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

1239

Ignition 1 Voltage

2

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 811178  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

1239

Ignition 1 Voltage

2

TN/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 811178  Size: CH

Connector Part Information

    • 15305086
    • 2-Way F Metri-Pack 280.1 Series, Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

1239

Ignition 1 Voltage

2

YE/BK

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly


Object Number: 456551  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F (BK)

Pin

Wire Color

Circuit Number

Function

A

L-BU

1937

Fuel Gage Sensor - Signal - Right

B

GY

120

Fuel Pump Supply Voltage

C

BK

1050

Ground

D

TN

2759

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F (BK)

Pin

Wire Color

Circuit Number

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: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way M (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

439

Ignition 1 Voltage

2

L-BU

5038

HO2S Heater Low Control Bank 1 Sensor 1

3

TN/WH

1653

HO2S Low Signal Bank 1 Sensor 1

4

PU/WH

1665

HO2S High Signal Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way M (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

539

Ignition 1 Voltage

2

PU

5035

HO2S Heater Low Control Bank 1 Sensor 2

3

TN/WH

1669

HO2S Low Signal Bank 1 Sensor 2

4

PU/WH

1668

HO2S High Signal Bank 1 Sensor 2

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way M (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

439

Ignition 1 Voltage

2

PU/WH

5037

HO2S Heater Low Control Bank 2 Sensor 1

3

TN

1667

HO2S Low Signal Bank 2 Sensor 1

4

PU

1666

HO2S High Signal Bank 2 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 816173  Size: CH

Connector Part Information

    • 1928403453
    • 4-Way M (BK)

Pin

Wire Color

Circuit Number

Function

1

PK

539

Ignition 1 Voltage

2

YE

5036

HO2S Heater Low Control Bank 2 Sensor 2

3

TN

1671

HO2S Low Signal Bank 2 Sensor 2

4

PU

1670

HO2S High Signal Bank 2 Sensor 2

Ignition Coil Bank 1


Object Number: 816175  Size: CH

Connector Part Information

    • 1928403204
    • 6-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

BK/WH

1451

Ground

2

PK

739

Ignition 1 Voltage

3

D-OG

2125

IC 5 Control

4

L-BU

2123

IC 3 Control

5

PU

2121

IC 1 Control

6

--

--

Not Used

Ignition Coil Bank 2


Object Number: 816174  Size: CH

Connector Part Information

    • 1928403815
    • 6-Way F (L-GY)

Pin

Wire Color

Circuit Number

Function

1

BK/WH

1451

Ground

2

PK

739

Ignition 1 Voltage

3

OG/WH

2122

IC 2 Control

4

D-GN/WH

2124

IC 4 Control

5

L-BU/WH

2126

IC 6 Control

6

--

--

Not Used

Intake Manifold Runner Control (IMRC) Solenoid


Object Number: 816172  Size: CH

Connector Part Information

    • 401793
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

PU/BK

5042

Intake Manifold - Output - 2

2

PK

139

Ignition 1 Voltage

Intake Manifold Tuning Valve (IMTV) Solenoid


Object Number: 816172  Size: CH

Connector Part Information

    • 401793
    • 2-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

L-BU/WH

5041

Intake Manifold - Output - 1

2

PK

139

Ignition 1 Voltage

Knock Sensor (KS) 1


Object Number: 816172  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: 816172  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: 816170  Size: CH

Connector Part Information

    • 1928403200
    • 5-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

TN

472

IAT Sensor Signal

2

PK

139

Ignition 1 Voltage

3

TN

2761

Low Reference

4

TN

2760

Low Reference

5

YE

492

MAF Sensor Signal

Secondary Fuel Pump and Sender Assembly


Object Number: 684847  Size: CH

Connector Part Information

    • 12160563
    • 2-Way F (NA)

Pin

Wire Color

Circuit Number

Function

A

D-BU

1936

Secondary Fuel Level Sensor Signal

B-C

--

--

Not Used

D

TN

2759

Low Reference

Throttle Position (TP) Sensor


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

TN

2752

Low Reference

3

GY

2701

5 Volt Reference

4

BN

582

TAC Motor Control - 2

5

PU

486

TP Sensor 2 Signal

6

D-GN

485

TP Sensor 1 Signal