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) Solenoid
Table 34: Knock Sensor (KS) Bank 1
Table 35: Knock Sensor (KS) Bank 2
Table 36: Mass Air Flow (MAF) Sensor
Table 37: Throttle Body Assembly (Early Production)
Table 38: Throttle Body Assembly (Late Production)

Accelerator Pedal Position (APP) Sensor


Object Number: 632357  Size: CH

Connector Part Information

    • 15326829
    • 6-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1272

Low Reference

B

LT BLU

1162

APP Sensor 2 Signal

C

TAN

1274

5-Volt Reference

D

BRN

1271

Low Reference

E

DK BLU

1161

APP Sensor 1 Signal

F

WHT/BLK

1164

5-Volt Reference

Barometric Pressure (BARO) Sensor


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

GRY

605

5-Volt Reference

2

TAN

470

Low Reference

3

ORN/BLK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT

5293

Ignition 1 Voltage

2

LT GRN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT

5293

Ignition 1 Voltage

2

WHT/BLK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT

5293

Ignition 1 Voltage

2

PNK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT

5293

Ignition 1 Voltage

2

ORN/BLK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

470

Low Reference

2

DK GRN

5273

CMP Sensor Signal Exhaust Bank 1

3

GRY

705

5-Volt Reference

Camshaft Position (CMP) Sensor - Exhaust Bank 2


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

470

Low Reference

2

PPL

5274

CMP Sensor Signal Exhaust Bank 2

3

GRY

705

5-Volt Reference

Camshaft Position (CMP) Sensor - Intake Bank 1


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

470

Low Reference

2

ORN

5275

CMP Sensor Signal Intake Bank 1

3

GRY

705

5-Volt Reference

Camshaft Position (CMP) Sensor - Intake Bank 2


Object Number: 1331443  Size: CH

Connector Part Information

    • 1928403966
    • 3-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

470

Low Reference

2

YEL

5276

CMP Sensor Signal Intake Bank 2

3

GRY

705

5-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

PPL/WHT

5024

CKP Sensor Low

2

WHT/BLK

5039

CKP Sensor High

Engine Coolant Temperature (ECT) Sensor


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

YEL

410

ECT Sensor Signal

2

TAN

470

Low Reference

Engine Oil Level/Temperature Sensor


Object Number: 646415  Size: CH

Connector Part Information

    • 15326808
    • 3-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

DK GRN/WHT

357

Oil Temperature Sensor Signal

C

TAN

470

Low Reference

Engine Oil Pressure (EOP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12065287
    • 3-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

470

Low Reference

B

GRY

605

5-Volt Reference

C

TAN/BLK

231

Oil Pressure Switch Signal

Evaporative Emissions (EVAP) Canister Purge Valve Solenoid


Object Number: 1331450  Size: CH

Connector Part Information

    • 1928404072
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

WHT

5293

Ignition 1 Voltage

2

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emissions (EVAP) Canister Vent Solenoid


Object Number: 684795  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F (RED)

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

1540

Battery Positive Voltage

B

WHT

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

5291

Ignition 1 Voltage

B

TAN

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

5292

Ignition 1 Voltage

B

LT GRN/BLK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

5291

Ignition 1 Voltage

B

PNK/BLK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

5292

Ignition 1 Voltage

B

LT BLU/BLK

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

5291

Ignition 1 Voltage

B

TAN/WHT

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

5292

Ignition 1 Voltage

B

YEL/BLK

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly


Object Number: 456551  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1937

Fuel Gage Sensor Signal - Primary

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

1050

Ground

D

TAN

452

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

452

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

596

5-Volt Reference

Heated Oxygen Sensor (HO2S) Sensor 1


Object Number: 831392  Size: CH

Connector Part Information

    • 12092839
    • 4-Way M (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal Sensor 1

B

PPL/WHT

1668

HO2S High Signal Sensor 1

D

PNK/BLK

5294

Ignition 1 Voltage

E

GRY/WHT

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 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

HO2S Low Signal Sensor 2

B

PPL

1670

HO2S High Signal Sensor 2

D

PNK/BLK

5294

Ignition 1 Voltage

E

GRY/WHT

3223

HO2S Heater Low Control Sensor 2

Ignition Coil 1


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

PPL

2121

IC 1 Control

2

WHT

5291

Ignition 1 Voltage

3

BLK/WHT

1551

Ground

4

BLK

1550

Ground

Ignition Coil 2


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

ORN/WHT

2122

IC 2 Control

2

WHT

5292

Ignition 1 Voltage

3

BLK/WHT

151

Ground

4

BLK

150

Ground

Ignition Coil 3


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

LT BLU

2123

IC 3 Control

2

WHT

5291

Ignition 1 Voltage

3

BLK/WHT

1551

Ground

4

BLK

1550

Ground

Ignition Coil 4


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

DK GRN/WHT

2124

IC 4 Control

2

WHT

5292

Ignition 1 Voltage

3

BLK/WHT

151

Ground

4

BLK

150

Ground

Ignition Coil 5


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

DK GRN

2125

IC 5 Control

2

WHT

5291

Ignition 1 Voltage

3

BLK/WHT

1551

Ground

4

BLK

1550

Ground

Ignition Coil 6


Object Number: 1331446  Size: CH

Connector Part Information

    • 1928403441
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

LT BLU/WHT

2126

IC 6 Control

2

WHT

5292

Ignition 1 Voltage

3

BLK/WHT

151

Ground

4

BLK

150

Ground

Intake Manifold Runner Control (IMRC) Solenoid


Object Number: 1331444  Size: CH

Connector Part Information

    • 7283-8226-30
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

LT BLU/WHT

5041

Intake Manifold - Output 1

2

WHT

5293

Ignition 1 Voltage

Knock Sensor (KS) Bank 1


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

496

Knock Sensor Bank 1 Signal

2

GRY

1716

Low Reference

Knock Sensor (KS) Bank 2


Object Number: 784092  Size: CH

Connector Part Information

    • 1928403874
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

LT BLU

1876

Knock Sensor Bank 2 Signal

2

TAN

407

Low Reference

Mass Air Flow (MAF) Sensor


Object Number: 816170  Size: CH

Connector Part Information

    • 1928403200
    • 5-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

472

IAT Sensor Signal

2

PNK

739

Ignition 1 Voltage

3

BLK

2760

Low Reference

4

GRY

596

5-Volt Reference

5

YEL

492

MAF Sensor Signal

Throttle Body Assembly (Early Production)


Object Number: 831393  Size: CH

Connector Part Information

    • 1-967616-1
    • 6-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

YEL

581

TAC Motor Control 1

2

BLK

2752

Low Reference

3

GRY

2701

5-Volt Reference

4

BRN

582

TAC Motor Control 2

5

PPL

486

TP Sensor 2 Signal

6

DK GRN

485

TP Sensor 1 Signal

Throttle Body Assembly (Late Production)


Object Number: 1523693  Size: CH

Connector Part Information

    • 1928404900
    • 6-Way F Bosch (BK)

Pin

Wire Color

Circuit No.

Function

1

DK GRN

485

TP Sensor 1 Signal

2

GRY

2701

5-Volt Reference

3

BRN

582

TAC Motor Control 2

4

PPL

486

TP Sensor 2 Signal

5

YEL

581

TAC Motor Control 1

6

BLK

2752

Low Reference