GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensors
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Camshaft Position (CMP) Sensor
Table 4: Crankshaft Position (CKP) Sensor
Table 5: Engine Coolant Temperature (ECT) Sensor
Table 6: Engine Oil Pressure (EOP) Switch
Table 7: Evaporative Emissions (EVAP) Canister Purge Solenoid
Table 8: Evaporative Emissions (EVAP) Canister Vent Solenoid
Table 9: Exhaust Gas Recirculation (EGR) Valve
Table 10: Fuel Injectors
Table 11: Fuel Pump and Sender Assembly
Table 12: Fuel Tank Pressure (FTP) Sensor
Table 13: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 14: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 15: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 16: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 17: Ignition Control Module (ICM) Bank 1
Table 18: Ignition Control Module (ICM) Bank 2
Table 19: Intake Manifold Runner Control Solenoid
Table 20: Knock Sensor (KS) 1
Table 21: Knock Sensor (KS) 2
Table 22: Manifold Absolute Pressure (MAP) Sensor
Table 23: Mass Air Flow (MAF) Sensor
Table 24: Throttle Actuator Control (TAC) Module
Table 25: Wheel Speed Signal Conditioner Module (w/o ABS)

Accelerator Pedal Position (APP) Sensors


Object Number: 890546  Size: CH

Connector Part Information

    • 15336766
    • 9-Way F Ducon Series (BU)

Pin

Wire Color

Circuit Number

Function

1

L-BU

1162

APP Sensor 2 Signal

2

BN

1271

Low Reference

3

--

--

Not Used

4

WH/BK

1164

5 Volt Reference A

5

D-BU

1161

APP Sensor 1 Signal

6

BK

2759

Low Reference

7

--

--

Not Used

8

TN

1274

5 Volt Reference B

9

--

--

Not Used

A/C Refrigerant Pressure Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12110192
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

BK

2759

Low Reference

B

GY

2709

5 Volt Reference

C

RD/BK

380

ECM - A/C Refrigerant Pressure Sensor Signal

Camshaft Position (CMP) Sensor


Object Number: 886455  Size: CH

Connector Part Information

    • 15326597
    • 3-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PU/WH

652

Low Reference

2

BN/WH

633

CMP Sensor Signal

3

GY

416

5 Volt Reference A

Crankshaft Position (CKP) Sensor


Object Number: 886455  Size: CH

Connector Part Information

    • 15326597
    • 2-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PU

574

Low Reference

2

YE

573

CKP Sensor Signal

3

BK/WH

451

Ground

Engine Coolant Temperature (ECT) Sensor


Object Number: 886419  Size: CH

Connector Part Information

    • 12186308
    • 2-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

 

410

ECT Sensor Signal

2

 

652

Low Reference

Engine Oil Pressure (EOP) Switch


Object Number: 95764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

1

TN/BK

231

OIl Pressure Switch Signal

Evaporative Emissions (EVAP) Canister Purge Solenoid


Object Number: 886419  Size: CH

Connector Part Information

    • 12186308
    • 2-Way F JPT Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

OG

2440

Battery Positive 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 Metri-Pack 150 Series (RD)

Pin

Wire Color

Circuit Number

Function

A

OG

2740

Ignition 1 Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Exhaust Gas Recirculation (EGR) Valve


Object Number: 886684  Size: CH

Connector Part Information

    • 12162826
    • 5-Way F Metri-Pack 150.2 Series (BK)

Pin

Wire Color

Circuit Number

Function

A

BK/WH

251

EGR Solenoid Control

B

PU/WH

652

Low Reference

C

BN

1456

EGR Valve Position Signal

D

GY

416

5 Volt Reference A

E

OG

2440

Ignition 1 Voltage

Fuel Injectors


Object Number: 258295  Size: CH

Connector Part Information

    • *
    • 2-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

OG

2640

Ignition 1 Voltage

2

BK

1744

Fuel Injector 1 Control (Injector 1)

L-GN/BK

1745

Fuel Injector 2 Control (Injector 2)

PK/BK

1746

Fuel Injector 3 Control (Injector 3)

L-BU/BK

844

Fuel Injector 4 Control (Injector 4)

BK/WH

845

Fuel Injector 5 Control (Injector 5)

YE/BK

846

Fuel Injector 6 Control (Injector 6)

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 Number

Function

A

PU

30

Fuel Level Sensor Signal

B

GY

120

Fuel Pump Supply Voltage

C

BK

650

Ground

D

 

2759

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 890168  Size: CH

Connector Part Information

    • 15318087
    • 3-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

GY

2709

5 Volt Reference A

2

BK

2759

Low Reference

3

D-GN

890

Fuel Tank Pressure Sensor Signal

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 886469  Size: CH

Connector Part Information

    • 15358613
    • 6-Way F Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PU/WH

1665

HO2S Input Pump Current

2

PU

412

HO2S Reference Voltage

3

TN

413

HO2S Low Reference

4

BK/WH

751

HO2S Heater Low Control

5

OG

2740

Ignition 1 Voltage

6

TN

1667

HO2S Output Pump Current

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 890194  Size: CH

Connector Part Information

    • 15354677
    • 4-Way F JPT series (BK)

Pin

Wire Color

Circuit Number

Function

1

OG

2440

Ignition 1 Voltage

2

BkWH

151

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: 886469  Size: CH

Connector Part Information

    • 15358613
    • 6-Way F Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

PU

1666

HO2S Input Pump Current

2

TN/WH

1653

HO2S Reference Voltage

3

GY

1979

HO2S Low Reference

4

TN/WH

551

HO2S Heater Low Control

5

OG

2440

Ignition 1 Voltage

6

TN

1664

HO2S Output Pump Current

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 890194  Size: CH

Connector Part Information

    • 15354677
    • 4-Way F JPT series (BK)

Pin

Wire Color

Circuit Number

Function

1

OG

2740

Ignition 1 Voltage

2

BkWH

51

HO2s Heater Low Control

3

GY

1981

HO2S High Signal

4

TN

1671

HO2S Low Signal

Ignition Control Module (ICM) Bank 1


Object Number: 889836  Size: CH

Connector Part Information

    • 12186712
    • 6-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

BK

250

Ground

2

PK

1539

Ignition 1 Voltage

3

YE

1157

Ignition Coil 5 Control

4

PK

1155

Ignition Coil 3 Control

5

L-BU

1153

Ignition Coil 1 Control

6

--

--

Not Used

Ignition Control Module (ICM) Bank 2


Object Number: 890539  Size: CH

Connector Part Information

    • 15336396
    • 6-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

BK

250

Ground

2

PK

1539

Ignition 1 Voltage

3

TN

1158

Ignition Coil 6 Control

4

PU

1156

Ignition Coil 4 Control

5

D-BU

1154

Ignition Coil 2 Control

6

--

--

Not Used

Intake Manifold Runner Control Solenoid


Object Number: 811175  Size: CH

Connector Part Information

    • 12084126
    • 2-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit Number

Function

1

L-BU

1110

IMRC Solenoid Control

2

OG

2640

Ignition 1 Voltage

Knock Sensor (KS) 1


Object Number: 886419  Size: CH

Connector Part Information

    • 12186308
    • 2-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

D-BU

496

Knock Sensor 1 Signal

2

YE/BK

457

Low Reference

Knock Sensor (KS) 2


Object Number: 886419  Size: CH

Connector Part Information

    • 12186308
    • 2-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

L-BU

1876

Knock Sensor 2 Signal

2

YE/BK

452

Low Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 886455  Size: CH

Connector Part Information

    • 15326597
    • 3-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

GY

416

5 Volt Reference A

2

PU/WH

652

Low Reference

3

GY

1954

MAP Sensor Signal

Mass Air Flow (MAF) Sensor


Object Number: 888061  Size: CH

Connector Part Information

    • 12186307
    • 5-Way F JPT Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

TN

472

IAT Sensor Signal

2

OG

2440

Ignition 1 Voltage

3

PU/WH

652

Low Reference

4

GY

416

5 Volt Reference A

5

YE

492

MAF Sensor Signal

Throttle Actuator Control (TAC) Module


Object Number: 831393  Size: CH

Connector Part Information

    • 15355474
    • 6 Way F MQS Series Sealed (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

581

TAC Motor Control 1

2

PU/WH

652

Low Reference

3

PU

486

TP Sensor 2 Signal

4

BN

582

TAC Motor Control 2

5

D-GN

485

TP Sensor 1 Signal

6

YE/BK

487

TP Sensor 3 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

550

Ground

2

WH

1909

Vehicle Speed Signal

3

TN

833

Right Front Wheel Speed Sensor Low Reference

4

D-GN

872

Right Front Wheel Speed Sensor Signal

5

PU

1500

Ignition 0 Voltage