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 Level/Temperature Sensor
Table 6: Engine Oil Pressure (EOP) Sensor
Table 7: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Table 8: Evaporative Emission (EVAP) Canister Vent Solenoid Valve
Table 9: Fuel Injector 1
Table 10: Fuel Injector 2
Table 11: Fuel Injector 3
Table 12: Fuel Injector 4
Table 13: Fuel Injector 5
Table 14: Fuel Injector 6
Table 15: Fuel Injector 7
Table 16: Fuel Injector 8
Table 17: Fuel Pump and Sender Assembly
Table 18: Fuel Tank Pressure Sensor
Table 19: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 20: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 21: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 22: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 23: Ignition Coil/Module 1
Table 24: Ignition Coil/Module 2
Table 25: Ignition Coil/Module 3
Table 26: Ignition Coil/Module 4
Table 27: Ignition Coil/Module 5
Table 28: Ignition Coil/Module 6
Table 29: Ignition Coil/Module 7
Table 30: Ignition Coil/Module 8
Table 31: Knock Sensor (KS) 1
Table 32: Knock Sensor (KS) 2
Table 33: Manifold Absolute Pressure (MAP) Sensor
Table 34: Mass Air Flow (MAF) Sensor
Table 35: Throttle Actuator Control (TAC) Module - C1
Table 36: Throttle Actuator Control (TAC) Module - C2
Table 37: Throttle Actuator Control (TAC) Motor
Table 38: Throttle Position (TP) Sensor

Accelerator Pedal Position (APP) Sensor


Object Number: 632344  Size: CH

Connector Part Information

    • 15326842
    • 10-Way F 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

1273

Low Reference

B

PU

1272

Low Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

5-Volt Reference

E

YE/BK

1275

5-Volt Reference

F

D-BU

1161

APP Sensor 1 Signal

G

L-BU

1276

5-Volt Reference

H

--

--

Not Used

J

BN

1271

Low Reference

K

D-GN

1163

APP Sensor 3 Signal

Camshaft Position (CMP) 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

BN/WH

633

CMP Sensor Signal

B

PK/BK

632

Low Reference

C

OG

631

12-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 366117  Size: CH

Connector Part Information

    • 15324165
    • 3-Way F Metri-Pack 150 Series (WH)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1869

CKP Sensor Signal

B

YE/BK

1868

Low Reference

C

L-GN

1867

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 655692  Size: CH

Connector Part Information

    • 12162195
    • 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

Engine Oil Level/Temperature Sensor


Object Number: 646415  Size: CH

Connector Part Information

    • 15326808
    • 3-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

D-GN/WH

357

Oil Temperature Sensor Signal

C

BK

1550

Ground

Engine Oil Pressure (EOP) Sensor


Object Number: 726824  Size: CH

Connector Part Information

    • 15344137
    • 3-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

2755

Low Reference

2

GY

2705

5-Volt Reference

3

TN/WH

331

Oil Pressure Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


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

5705

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid Valve


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

1540

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

TN

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

TN/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

OG/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 684833  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Micro-Pack 280.1 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

D-BU/WH

878

Fuel Injector 8 Control

Fuel Pump and Sender Assembly


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

L-BU

1936

Fuel Level Sensor Signal - Primary

B

GY

120

Fuel Pump Supply Voltage

C

BK

1050

Ground

D

TN

2759

Low Reference

Fuel Tank Pressure 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

TN

2759

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

2709

5-Volt Reference B

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 474210  Size: CH

Connector Part Information

    • 12176897
    • 4-Way F Metri-Pack 150 Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal - Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

C

GY/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

D

PK/BK

5293

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 806613  Size: CH

Connector Part Information

    • 15326423
    • 4-Way M Metri-Pack 150 Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal - Bank 1 Sensor 2

B

PU/WH

1668

HO2S High Signal - Bank 1 Sensor 2

C

BN

2391

HO2S Heater Low Control - Bank 1 Sensor 2

D

PK/BK

5294

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 474210  Size: CH

Connector Part Information

    • 12176897
    • 4-Way F Metri-Pack 150 Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

1667

HO2S Low Signal - Bank 2 Sensor 1

B

PU

1666

HO2S High Signal - Bank 2 Sensor 1

C

L-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

D

PK/BK

5293

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 806613  Size: CH

Connector Part Information

    • 15326423
    • 4-Way M Metri-Pack 150 Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

1671

HO2S Low Signal - Bank 2 Sensor 2

B

PU

1670

HO2S High Signal - Bank 2 Sensor 2

C

OG/WH

3223

HO2S Heater Low Control - Bank 2 Sensor 2

D

PK/BK

5294

Ignition 1 Voltage

Ignition Coil/Module 1


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 2


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN

2130

Low Reference

C

RD

2122

IC 2 Control

D

PK

5292

Ignition 1 Voltage

Ignition Coil/Module 3


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 3 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 4


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN

2130

Low Reference

C

D-GN

2124

IC 4 Control

D

PK

5292

Ignition 1 Voltage

Ignition Coil/Module 5


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 5 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 6


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN

2130

Low Reference

C

L-BU

2126

IC 6 Control

D

PK

5292

Ignition 1 Voltage

Ignition Coil/Module 7


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 7 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 8


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN

2130

Low Reference

C

PU

2128

IC 8 Control

D

PK

5292

Ignition 1 Voltage

Knock Sensor (KS) 1


Object Number: 95764  Size: CH

Connector Part Information

    • 12176800
    • 1-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

D-BU

496

Knock Sensor 1 Signal

Knock Sensor (KS) 2


Object Number: 95764  Size: CH

Connector Part Information

    • 12176800
    • 1-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

L-BU

1876

Knock Sensor 2 Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • 12129946
    • 3-Way F Metri-Pack 150 Series Sealed (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 A

Mass Air Flow (MAF) Sensor


Object Number: 366067  Size: CH

Connector Part Information

    • 15305555
    • 5-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

552

Low Reference

B

TN

472

IAT Sensor Signal

C

BK/WH

751

Ground

D

PK

739

Ignition 1 Voltage

E

YE

492

MAF Sensor Signal

Throttle Actuator Control (TAC) Module - C1


Object Number: 261930  Size: CH

Connector Part Information

    • 12191065
    • 16-Way F Micro-Pack 100 Series (WH)

Pin

Wire Color

Circuit No.

Function

1

D-BU

417

TP Sensor 1 Signal

2

D-GN

485

5-Volt Reference

3

PU

486

Low Reference

4

D-BU

84

Cruise Control Set/Coast Switch Signal

5

GY/BK

87

Cruise Control Resume/Accel Switch Signal

6

OG

5371

BAS Relay Coil Supply Voltage

7

PK

239

Ignition 1 Voltage

8

BN

582

TAC Motor Control - 2

9

YE/BK

487

5-Volt Reference

10

WH

484

Low Reference

11

PK

427

TP Sensor 2 Signal

12

TN

800

UART Serial Data

13

D-BU/WH

774

UART Serial Data

14

GY

397

Cruise Control On Switch Signal

15

BK

1550

Ground

16

YE

581

TAC Motor Control - 1

Throttle Actuator Control (TAC) Module - C2


Object Number: 666638  Size: CH

Connector Part Information

    • 12186688
    • 10-Way F 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

1273

Low Reference

B

PU

1272

Low Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

5-Volt Reference

E

YE/BK

1275

5-Volt Reference

F

D-BU

1161

APP Sensor 1 Signal

G

L-BU

1276

5-Volt Reference

H

--

--

Not Used

J

BN

1271

Low Reference

K

D-GN

1163

APP Sensor 3 Signal

Throttle Actuator Control (TAC) Motor


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

YE

581

TAC Motor Control - 1

B

BN

582

TAC Motor Control - 2

Throttle Position (TP) Sensor


Object Number: 666641  Size: CH

Connector Part Information

    • 12186696
    • 6-Way F GT 150.2 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

5-Volt Reference

B

PU

486

Low Reference

C

D-BU

417

TP Sensor 1 Signal

D

YE/BK

487

5-Volt Reference

E

WH

484

Low Reference

F

PK

427

TP Sensor 2 Signal