GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Barometric Pressure (BARO) Sensor
Table 3: Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 1
Table 4: Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 2
Table 5: Camshaft Position (CMP) Actuator Solenoid - Intake Bank 1
Table 6: Camshaft Position (CMP) Actuator Solenoid - Intake Bank 2
Table 7: Camshaft Position (CMP) Sensor - Exhaust Bank 1
Table 8: Camshaft Position (CMP) Sensor - Exhaust Bank 2
Table 9: Camshaft Position (CMP) Sensor - Intake Bank 1
Table 10: Camshaft Position (CMP) Sensor - Intake Bank 2
Table 11: Crankshaft Position (CKP) Sensor
Table 12: Engine Coolant Temperature (ECT) Sensor
Table 13: Engine Oil Level/Temperature Sensor
Table 14: Engine Oil Pressure (EOP) Sensor
Table 15: Evaporative Emissions (EVAP) Canister Purge Valve Solenoid
Table 16: Evaporative Emissions (EVAP) Canister Vent Solenoid
Table 17: Fuel Injector 1
Table 18: Fuel Injector 2
Table 19: Fuel Injector 3
Table 20: Fuel Injector 4
Table 21: Fuel Injector 5
Table 22: Fuel Injector 6
Table 23: Fuel Pump and Sender Assembly
Table 24: Fuel Tank Pressure (FTP) Sensor
Table 25: Heated Oxygen Sensor (HO2S) Sensor 1
Table 26: Heated Oxygen Sensor (HO2S) Sensor 2
Table 27: Ignition Coil 1
Table 28: Ignition Coil 2
Table 29: Ignition Coil 3
Table 30: Ignition Coil 4
Table 31: Ignition Coil 5
Table 32: Ignition Coil 6
Table 33: Intake Manifold Runner Control (IMRC) Module
Table 34: Intake Manifold Runner Control (IMRC) Solenoid
Table 35: Knock Sensor (KS) Bank 1
Table 36: Knock Sensor (KS) Bank 2
Table 37: Mass Air Flow (MAF) Sensor
Table 38: Throttle Body Assembly

Accelerator Pedal Position (APP) Sensor


Object Number: 632357  Size: CH

Connector Part Information

    • 15326829
    • 6-Way F (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

Barometric Pressure (BARO) Sensor


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

605

5-Volt Reference

2

TN

470

Low Reference

3

OG/BK

5266

BARO Sensor Signal

Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 1


Object Number: 1331453  Size: CH

Connector Part Information

    • 7283-7526-30
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

5293

Ignition 1 Voltage

2

L-GN

5282

Camshaft Actuator Solenoid Control - Exhaust Bank 1

Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 2


Object Number: 1331453  Size: CH

Connector Part Information

    • 7283-7526-30
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

5293

Ignition 1 Voltage

2

WH/BK

5283

Camshaft Actuator Solenoid Control - Exhaust Bank 2

Camshaft Position (CMP) Actuator Solenoid - Intake Bank 1


Object Number: 1331453  Size: CH

Connector Part Information

    • 7283-7526-30
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

5293

Ignition 1 Voltage

2

PK

5284

Camshaft Actuator Solenoid Control - Intake Bank 1

Camshaft Position (CMP) Actuator Solenoid - Intake Bank 2


Object Number: 1331453  Size: CH

Connector Part Information

    • 7283-7526-30
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

5293

Ignition 1 Voltage

2

OG/BK

5252

Camshaft Actuator Solenoid Control - Intake Bank 2

Camshaft Position (CMP) Sensor - Exhaust Bank 1


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

D-GN

5273

CMP Sensor Signal Exhaust Bank 1

3

GY

705

5-Volt Reference

Camshaft Position (CMP) Sensor - Exhaust Bank 2


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

PU

5274

CMP Sensor Signal Exhaust Bank 2

3

GY

705

5-Volt Reference

Camshaft Position (CMP) Sensor - Intake Bank 1


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

OG

5275

CMP Sensor Signal Intake Bank 1

3

GY

705

5-Volt Reference

Camshaft Position (CMP) Sensor - Intake Bank 2


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

YE

5276

CMP Sensor Signal Intake Bank 2

3

GY

705

5-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PU/WH

5024

CKP Sensor Low

2

WH/BK

5039

CKP Sensor High

Engine Coolant Temperature (ECT) Sensor


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

YE

410

ECT Sensor Signal

2

TN

470

Low Reference

Engine Oil Level/Temperature Sensor


Object Number: 646415  Size: CH

Connector Part Information

    • 15326808
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

D-GN/WH

357

Oil Temperature Sensor Signal

C

TN

470

Low Reference

Engine Oil Pressure (EOP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12065287
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

470

Low Reference

B

GY

605

5-Volt Reference

C

TN/BK

231

Oil Pressure Switch Signal

Evaporative Emissions (EVAP) Canister Purge Valve Solenoid


Object Number: 1331450  Size: CH

Connector Part Information

    • 1928404072
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

5293

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 No.

Function

A

RD/WH

1540

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 603098  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

5291

Ignition 1 Voltage

B

TN

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 603098  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

5292

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 603098  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

5291

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 603098  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

5292

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 603098  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

5291

Ignition 1 Voltage

B

TN/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 603098  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

5292

Ignition 1 Voltage

B

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 No.

Function

A

L-BU

1937

Fuel Gage Sensor Signal - Primary

B

GY

120

Fuel Pump Supply Voltage

C

BK

1050

Ground

D

TN

452

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

452

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

596

5-Volt Reference

Heated Oxygen Sensor (HO2S) Sensor 1


Object Number: 831392  Size: CH

Connector Part Information

    • 12092839
    • 4-Way M (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal Sensor 1

B

PU/WH

1668

HO2S High Signal Sensor 1

D

PK/BK

5294

Ignition 1 Voltage

E

GY/WH

3122

HO2S Heater Low Control Sensor 1

Heated Oxygen Sensor (HO2S) Sensor 2


Object Number: 831392  Size: CH

Connector Part Information

    • 12092839
    • 4-Way M (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1671

HO2S Low Signal Sensor 2

B

PU

1670

HO2S High Signal Sensor 2

D

PK/BK

5294

Ignition 1 Voltage

E

GY/WH

3223

HO2S Heater Low Control Sensor 2

Ignition Coil 1


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

PU

2121

IC 1 Control

2

WH

5291

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

BK

1550

Ground

Ignition Coil 2


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

OG/WH

2122

IC 2 Control

2

WH

5292

Ignition 1 Voltage

3

BK/WH

151

Ground

4

BK

150

Ground

Ignition Coil 3


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU

2123

IC 3 Control

2

WH

5291

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

BK

1550

Ground

Ignition Coil 4


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

2124

IC 4 Control

2

WH

5292

Ignition 1 Voltage

3

BK/WH

151

Ground

4

BK

150

Ground

Ignition Coil 5


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN

2125

IC 5 Control

2

WH

5291

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

BK

1550

Ground

Ignition Coil 6


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU/WH

2126

IC 6 Control

2

WH

5292

Ignition 1 Voltage

3

BK/WH

151

Ground

4

BK

150

Ground

Intake Manifold Runner Control (IMRC) Module


Object Number: 594477  Size: CH

Connector Part Information

    • 15326822
    • 5-Way F (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

5293

Ignition 1 Voltage

B

WH

5293

IMRC Valve Supply Voltage

C

D-BL/BK

5041

Intake Manifold - Output 1

D

D-BL

5041

PWM Input

E

BK

1450

Ground

Intake Manifold Runner Control (IMRC) Solenoid


Object Number: 1331444  Size: CH

Connector Part Information

    • 7283-8226-30
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

D-BU/BK

5041

Intake Manifold -- Output 1

2

WH

5293

Ignition 1 Voltage

Knock Sensor (KS) Bank 1


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

D-BU

496

Knock Sensor Bank 1 Signal

2

GY

1716

Low Reference

Knock Sensor (KS) Bank 2


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU

1876

Knock Sensor Bank 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 No.

Function

1

TN

472

IAT Sensor Signal

2

PK

39

Ignition 1 Voltage

3

BK

2760

Low Reference

4

GY

2709

5-Volt Reference

5

YE

492

MAF Sensor Signal

Throttle Body Assembly


Object Number: 1523693  Size: CH

Connector Part Information

    • 1928404900
    • 6-Way F Bosch (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN

485

TP Sensor 1 Signal

2

GY

2701

5-Volt Reference

3

BN

582

TAC Motor Control 2

4

PU

486

TP Sensor 2 Signal

5

YE

581

TAC Motor Control 1

6

TN

2752

Low Reference