GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch
Table 2: Camshaft Position (CMP) Sensor
Table 3: Crankshaft Position (CKP) Sensor A
Table 4: Crankshaft Position (CKP) Sensor B
Table 5: Engine Coolant Temperature Sensor
Table 6: Evaporative Emission (EVAP) Canister Purge Valve
Table 7: Data Link Connector (DLC)
Table 8: Evaporative Emission (EVAP) Canister Vent Valve
Table 9: Fuel Tank Pressure Sensor
Table 10: Rough Road (G) Sensor
Table 11: Idle Air Control (IAC) Valve
Table 12: Knock 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: 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 Injector #7
Table 24: Fuel Injector #8
Table 25: Manifold Absolute Pressure (MAP) Sensor
Table 26: Throttle Position (TP) Sensor
Table 27: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Table 28: Vehicle Speed Sensor (VSS)
Table 29: Ignition Control Module C1
Table 30: Ignition Control Module C2
Table 31: Ignition Control Module C3
Table 32: Ignition Control Module C4

A/C Compressor Clutch


Object Number: 62440  Size: CH

Connector Part Information

    • 1216-2017
    • 2-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

450

A/C Compressor Clutch Ground

B

DK GRN

59

A/C Compressor Clutch Control

Camshaft Position (CMP) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 12162196
    • 2-Way F Metri-Pack 150.2 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

PNK/BLK

632

Cam Low

B

BRN/WHT

633

Cam High

Crankshaft Position (CKP) Sensor A


Object Number: 289315  Size: CH

Connector Part Information

    • 12186884
    • 2-Way F Metri-Pack 150 Series

Pin

Wire Color

Circuit No.

Function

A

PPL

574

Crankshaft Position A Low

B

YEL

573

Crankshaft Position Sensor A High

Crankshaft Position (CKP) Sensor B


Object Number: 130680  Size: CH

Connector Part Information

    • 12162195
    • 2-Way F Metri-Pack 150.2 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

645

Crank B Low

B

LT BLU

646

Crank B High

Engine Coolant Temperature Sensor


Object Number: 62485  Size: CH

Connector Part Information

    • 1211-0192
    • 3-Way F Metri-Pack 150 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

407

Engine Coolant Temperature (ECT) Sensor Ground

B

YEL

418

Engine Coolant Temperature (ECT) Sensor Signal

C

DK GRN

135

Engine Coolant Temperature (ECT) Sensor Output

Evaporative Emission (EVAP) Canister Purge Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2643
    • 2-Way Metri-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition Feed

B

DK GRN/WHT

428

EVAP Canister Purge Valve Control

Data Link Connector (DLC)


Object Number: 68793  Size: CH

Connector Part Information

    • 12110250
    • 16-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

DK GRN

1849

Serial Data Line - Class 2

3

--

--

Not Used

4

BLK

1650

Ground

5

BLK

1650

Ground

6-7

--

--

Not Used

8

BLU

1455

RFA Program

9-13

--

--

Not Used

14

DK GRN

835

E and C Bus

15

--

--

Not Used

16

ORN

540

Power Feed

Evaporative Emission (EVAP) Canister Vent Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2643
    • 2-Way F Metri-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Ignition Feed

B

WHT

1310

EVAP Canister Vent Valve Control

Fuel Tank Pressure Sensor


Object Number: 258675  Size: CH

Connector Part Information

    • 1205-9595
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

720

Fuel Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Signal

C

GRY

474

5V Sensor Feed

Rough Road (G) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 1212-9946
    • 3-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

RRS3

Rough Road Sensor Ground

B

RED

RRS1

Rough Road Sensor Signal

C

GRY

RRS2

Rough Road 5V Reference

Idle Air Control (IAC) Valve


Object Number: 289328  Size: CH

Connector Part Information

    • 1216-2190
    • 4-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

Idle Air Control (IAC) Valve Coil B Signal - Low

B

LT GRN/WHT

1749

Idle Air Control (IAC) Valve Coil B Signal - High

C

LT BLU/BLK

1748

Idle Air Control (IAC) Valve Coil A Signal - Low

D

LT BLU/WHT

1747

Idle Air Control (IAC) Valve Coil A Signal - High

Knock Sensor


Object Number: 95764  Size: CH

Connector Part Information

    • 1216800
    • 1-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 280761  Size: CH

Connector Part Information

    • 1216-0825
    • 4-Way Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1665

Heated Oxygen Sensor (HO2S) - High

C

BLK

451

Ground

D

PNK

539

Ignition Feed

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

    • 1216-0825
    • 4-Way Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1668

Heated Oxygen Sensor (HO2S) - High

C

BLK

451

Ground

D

PNK

539

Ignition Feed

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 280761  Size: CH

Connector Part Information

    • 1216-0825
    • 4-Way Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

Heated Oxygen Sensor (HO2S) - Low

B

PPL

1666

Heated Oxygen Sensor (HO2S) - High

C

BLK

451

Ground

D

PNK

539

Ignition Feed

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

    • 1216-0825
    • 4-Way Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

LR Heated Oxygen Sensor (HO2S) - Low

B

PPL

1670

LR Heated Oxygen Sensor (HO2S) - High

C

BLK

451

Ground

D

PNK

539

Ignition Feed

Fuel Injector #1


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

739

Injection Feed

B

BLK

1744

Fuel Injector #1 Control

Fuel Injector #2


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1239

Injection Feed

B

LT GRN/BLK

1745

Fuel Injector #2 Control

Fuel Injector #3


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1239

Injection Feed

B

PNK/BLK

1746

Fuel Injector #3 Control

Fuel Injector #4


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

739

Injection Feed

B

LT BLU/BLK

844

Fuel Injector #4 Control

Fuel Injector #5


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1239

Injection Feed

B

BLK

845

Fuel Injector #5 Control

Fuel Injector #6


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

739

Injection Feed

B

YEL/BLK

846

Fuel Injector #6 Control

Fuel Injector #7


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

739

Injection Feed

B

RED/BLK

877

Fuel Injector #7 Control

Fuel Injector #8


Object Number: 154327  Size: CH

Connector Part Information

    • 1212-9140
    • 2-Way F Metri-Pack 280.1 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1239

Injection Feed

B

DK BLU/WHT

878

Fuel Injector #8 Control

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 1212-9946
    • 3-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

487

Manifold Absolute Pressure (MAP) Sensor Ground

B

LT GRN

432

Manifold Absolute Pressure (MAP) Sensor Signal

C

GRY

416

Manifold Absolute Pressure (MAP) Sensor 5.0V Reference

Throttle Position (TP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 1211-0192
    • 3-Way F Metri-Pack 150 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

596

Throttle Position (TP) Sensor 5V Reference

B

BLK

452

Sensor Ground

C

DK BLU

417

Throttle Position (TP) Sensor Signal

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor


Object Number: 366067  Size: CH

Connector Part Information

    • 15305555
    • 5-Way F GT 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

719

Intake Air Temperature (IAT) Sensor Ground

B

TAN

472

Intake Air Temperature (IAT) Sensor Signal

C

BLK

451

Mass Air Flow Sensor Ground

D

PNK

539

Ignition Feed

E

YEL

492

Mass Air Flow (MAF) Sensor Signal

Vehicle Speed Sensor (VSS)


Object Number: 68719  Size: CH

Connector Part Information

    • 1216-2195
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

822

Vehicle Speed Sensor (VSS) Signal - Low

B

PPL/WHT

821

Vehicle Speed Sensor (VSS) Signal - High

Ignition Control Module C1


Object Number: 223234  Size: CH

Connector Part Information

    • 12162857
    • 6-Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position (A) Sensor Signal

B

PPL

574

Crankshaft Position (A) Sensor Return

C-D

--

--

Not Used

E

RED

645

Crankshaft Position (B) Sensor Return

F

LT BLU

646

Crankshaft Position (B) Sensor Signal

Ignition Control Module C2


Object Number: 73223  Size: CH

Connector Part Information

    • 12162185
    • 3-Way F Metri-Pack 150.2 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1451

Ground

B

--

--

Not Used

C

PNK

239

Ignition Feed

Ignition Control Module C3


Object Number: 73223  Size: CH

Connector Part Information

    • 12162279
    • 3-Way F Metri-Pack 150.2 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

Camshaft Position Sensor Signal

B

PNK/BLK

632

Camshaft Position Sensor Return

C

--

--

Not Used

Ignition Control Module C4


Object Number: 40442  Size: CH

Connector Part Information

    • 12162261
    • 2-Way F Metri-Pack 150.2 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLU/BLK

647

24X Spark Reference

B

BLK

638

Camshaft

C

PPL/WHT

438

4X Fuel Control

D

TAN/BLK

424

Bypass

E

WHT

423

Ignition Control

F

RED/BLK

453

Reference Low