GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor A
Table 3: Crankshaft Position (CKP) Sensor B
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Engine Oil Pressure (EOP) Sensor
Table 6: Engine Oil Level Switch
Table 7: Evaporative Emission (EVAP) Canister Purge Selonoid
Table 8: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 9: Exhaust Gas Recirculation (EGR) Valve
Table 10: Ignition Control (IC)Module C1
Table 11: Ignition Control (IC) Module C2
Table 12: Ignition Control (IC) Module C3
Table 13: Fuel Injectors
Table 14: Fuel Tank Pressure (FTP) Sensor
Table 15: Fuel Pump and Sender Assembly
Table 16: Heated Oxygen Sensor (HO2S) Sensor 1
Table 17: Heated Oxygen Sensor (HO2S) Sensor 2
Table 18: Idle Air Control (IAC) Valve
Table 19: Intake Air Temperature (IAT) Sensor
Table 20: Knock Sensor (KS)
Table 21: Manifold Absolute Pressure (MAP) Sensor
Table 22: Mass Air Flow (MAF) Sensor
Table 23: Park/Neutral Position (PNP) Switch C1
Table 24: Park/Neutral Position (PNP) Switch C2
Table 25: Secondary Air Injection (AIR) Pump
Table 26: Throttle Position (TP) Sensor
Table 27: Vehicle Speed Sensor (VSS)

Camshaft Position (CMP) Sensor


Object Number: 68730  Size: CH

Connector Part Information

    • 10238806
    • 3-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

812

12 Volt Reference

B

BRN/WHT

633

CMP Sensor Signal

C

BLK

407

Low Reference

Crankshaft Position (CKP) Sensor A


Object Number: 68730  Size: CH

Connector Part Information

    • 12110293
    •  3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1867

12 Volt Reference

B

LT BLU/BLK

647

Medium Resolution Engine Speed Signal

C

YEL/BLK

1868

Low Reference

Crankshaft Position (CKP) Sensor B


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    •  2-Way F Metri-Pack 150.2 Series Sealed Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

B

PPL

574

Low Reference

A

YEL

573

CKP Sensor (1) Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    •  2-Way F Metri-Pack 150.2 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

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

Engine Oil Level Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Ground

B

BRN

1174

Oil Level Switch Signal

Evaporative Emission (EVAP) Canister Purge Selonoid


Object Number: 35437  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Ignition 3 Voltage

B

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 334626  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Ignition 3 Voltage

B

WHT

1310

EVAP Canister Vent Solenoid Control

Exhaust Gas Recirculation (EGR) Valve


Object Number: 287962  Size: CH

Connector Part Information

    • 15326389
    •  5-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

EGR Solenoid Control

B

BLK

2753

Exhaust Gas Recirculation (EGR) Sensor Low Reference

C

BRN

1456

EGR Valve Position Signal

D

GRY

2702

5V Reference

E

RED

1676

EGR Valve Supply Voltage

Ignition Control (IC)Module C1


Object Number: 40442  Size: CH

Connector Part Information

    • 12162261
    • 6-Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

424

IC Timing Signal

B

WHT

423

IC Timing Control

C-D

--

--

Not Used

E

PPL/WHT

430

Low Resolution Engine Speed Signal

F

RED/BLK

453

Low Reference

Ignition Control (IC) Module C2


Object Number: 73223  Size: CH

Connector Part Information

    • 12162186
    • 3-Way F Metri-pack 150.1 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

CKP Sensor (1) Signal

B

--

--

Not Used

C

PPL

574

Low Reference

Ignition Control (IC) Module C3


Object Number: 232831  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground

B

PNK

239

Ignition 1 Voltage

Fuel Injectors


Object Number: 334635  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

Injector 1

A

PNK

639

Ignition 1 Voltage

B

BLK

1744

Fuel Injector #1Control

Injector 2

A

PNK

639

Ignition 1 Voltage

B

LT GRN/BLK

1745

Fuel Injector #2 Control

Injector 3

A

PNK

639

Ignition 1 Voltage

B

PNK/BLK

1746

Fuel Injector #3 Control

Injector 4

A

PNK

639

Ignition 1 Voltage

B

LT BLU/BLK

844

Fuel Injector #4 Control

Injector 5

A

PNK

639

Ignition 1 Voltage

B

BLK/WHT

845

Fuel Injector #5 Control

Injector 6

A

PNK

639

Ignition 1 Voltage

B

YEL/BLK

846

Fuel Injector #6 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

469

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

416

5V Reference

Fuel Pump and Sender Assembly


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

30

Fuel Level Sensor Signal

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

150

Ground

D

BLK/WHT

651

Ground

Heated Oxygen Sensor (HO2S) Sensor 1


Object Number: 258300  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Signal

B

PPL

412

HO2S High Signal

C

BLK/WHT

3113

Ground

D

BRN

241

Ignition 3 Voltage

Heated Oxygen Sensor (HO2S) Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal (Bank 1 Sensor 2)

B

PPL/WHT

1668

HO2S High Signal (Bank 1 Sensor 2)

C

BLK

150

Ground

D

BRN

241

Ignition 3 Voltage

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

BLK

2760

Low Reference

B

TAN

472

IAT Sensor Signal

Knock Sensor (KS)


Object Number: 95764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

DK BLU

496

KS (1) Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 95766  Size: CH

Connector Part Information

    • 12020403
    • 3-Way M WeatherPack Sealed (DK GRN)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

LT GRN

432

MAP Sensor Signal

C

GRY

2704

5 Volt Reference

Mass Air Flow (MAF) Sensor


Object Number: 62453  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK/WHT

451

Ground

C

PNK

639

Ignition 1 Voltage

Park/Neutral Position (PNP) Switch C1


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

LT GRN

275

Neutral Safety Switch Park Signal

D

BLK/WHT

451

Ground

E

PPL

6

Starter Solenoid Crank Voltage

F

LT GRN

24

Backup Lamp Supply Voltage

G

YEL

5

Crank Voltage

Park/Neutral Position (PNP) Switch C2


Object Number: 40412  Size: CH

Connector Part Information

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

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

Secondary Air Injection (AIR) Pump


Object Number: 365990  Size: CH

Connector Part Information

    • 12191968
    •  2-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

78

AIR Pump Supply Voltage

B

BLK

1350

Ground

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/BLK

2701

5 Volt Reference

B

BLK

2752

Low Reference

C

DK BLU

417

TP Sensor Signal

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

PPL

401

VSS Low Signal

B

YEL

400

VSS High Signal