GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor
Table 3: Engine Coolant Temperature (ECT) Sensor
Table 4: Engine Oil Pressure (EOP) Sensor
Table 5: HO2S -- Sensor 2
Table 6: Evaporative Emission Canister Vent (EVAP) Solenoid
Table 7: Ignition Control Module (ICM)
Table 8: Fuel Injectors 1- 4
Table 9: Fuel Tank Pressure (FTP) Sensor
Table 10: Fuel Tank Module
Table 11: Idle Air Control (IAC) Valve
Table 12: Intake Air Temperature (IAT) Sensor
Table 13: Knock Sensor (KS)
Table 14: Manifold Absolute Pressure (MAP) Sensor
Table 15: O2S -- Sensor 1
Table 16: Evaporative Emission Canister (EVAP) Purge Solenoid
Table 17: Throttle Position (TP) Sensor
Table 18: Park/Neutral Position (PNP) Switch C1
Table 19: Park/Neutral Position (PNP) Switch C2
Table 20: Vehicle Speed Sensor (VSS)

Camshaft Position (CMP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

CMP Sensor Signal

B

PNK/BLK

632

Low Reference

C

RED

631

12 Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    •  2-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

574

Low Reference

B

YEL

573

CKP Sensor [1] Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 12162195
    •  2-Way F Metri-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

718

Low Reference

B

YEL

410

ECT Sensor Signal

Engine Oil Pressure (EOP) Sensor


Object Number: 236480  Size: CH

Connector Part Information

    • 12065299
    • 1-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

231

Oil Pressure Switch Signal

HO2S -- Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

    • 12160825
    • 4-Way M Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal

B

PPL/WHT

1668

HO2S High Signal

C

BLK

150

Ground

D

BRN

241

Ignition 3 Voltage

Evaporative Emission Canister Vent (EVAP) Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12059863
    • 2-Way F Metri-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

439

Ignition 1 Voltage

B

WHT

1310

EVAP Canister Vent Solenoid Control

Ignition Control Module (ICM)


Object Number: 295472  Size: CH

Connector Part Information

    • 12162838
    • 11-Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

423

IC Timing Control

B

ORN

406

Electronic Spark Timing Control Signal - 2

C-E

--

--

Not Used

F

YEL

573

CKP Sensor [1] Signal

G

PPL/WHT

430

Low Resolution Engine Speed Signal

H

RED/BLK

453

Low Reference

J

PPL

574

Low Reference

K

BLK

750

Ground

L

PNK

239

Ignition 1 Voltage

Fuel Injectors 1- 4


Object Number: 334635  Size: CH

Connector Part Information

    • 15326179
    • 2-Way F Micro-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Injector #1

A

GRY

120

Fuel Pump Supply Voltage

B

BLK

1744

Fuel Injector 1 Control

Injector #2

A

GRY

120

Fuel Injector Feed

B

LT GRN/BLK

1745

Fuel Injector 2 Control

Injector #3

A

GRY

120

Fuel Injector Feed

B

PNK/BLK

1746

Fuel Injector 3 Control

Injector #4

A

GRY

120

Fuel Injector Feed

B

LT BLU/BLK

844

Fuel Injector 4 Control

Fuel Tank Pressure (FTP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059595
    •  3-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

2759

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY/BLK

2709

5 Volt Reference

Fuel Tank Module


Object Number: 258300  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Level Sensor Signal [- Primary]

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

150

Ground

D

BLK/WHT

651

Ground

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

    • 12162190
    • 4-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

IAC Coil B Low Control

B

LT GRN/WHT

1749

IAC Coil B High Control

C

LT BLU/BLK

1748

IAC Coil A Low Control

D

LT BLU/WHT

1747

IAC Coil A High Control

Intake Air Temperature (IAT) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 12162199
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

GRY

720

Low Reference

B

TAN

472

IAT Sensor Signal

Knock Sensor (KS)


Object Number: 258847  Size: CH

Connector Part Information

    • 12077900
    • 2-Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

KS [1] Signal

B

GRY

1716

Knock Sensor - Return

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 12129946
    • 3-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1704

Manifold Absolute Pressure (MAP) Sensor Return

B

LT GRN

432

MAP Sensor Signal

C

GRY

474

5 Volt Reference

O2S -- Sensor 1


Object Number: 68719  Size: CH

Connector Part Information

    • 15326801
    • 2-Way F 150 GT Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Signal

B

PPL

412

O2S Signal

Evaporative Emission Canister (EVAP) Purge Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

439

Ignition 1 Voltage

B

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Throttle Position (TP) Sensor


Object Number: 62485  Size: CH

Connector Part Information

    • 12110192
    • 3-Way F Metri-Pack 150 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

416

5 Volt Reference

B

BLK

452

Low Reference

C

DK BLU

417

TP Sensor Signal

Park/Neutral Position (PNP) Switch C1


Object Number: 40412  Size: CH

Connector Part Information

    • 12191757
    • 4-Way F Metri-Pack 150 Series Sealed (Natural)

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Transmission Range Switch Signal P

B

YEL

772

Transmission Range Switch Signal B

C

GRY

773

Transmission Range Switch Signal C

D

BLK/WHT

771

Transmission Range Switch Signal A

Park/Neutral Position (PNP) Switch C2


Object Number: 68780  Size: CH

Connector Part Information

    • 12129840
    • 7-Way F Metri-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PNK

539

Ignition 1 Voltage

C

BLK

275

Park Neutral Position Switch Park Signal

D

BLKWHT

451

Ground

E

PPL

6

Starter Solenoid Crank Voltage

F

LT GRN

24

Backup Lamp Supply Voltage

G

YEL

5

Crank Voltage

Vehicle Speed Sensor (VSS)


Object Number: 62471  Size: CH

Connector Part Information

    • 12162195
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

400

Signal High - Front

B

PPL

401

Signal Low - Front