GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Camshaft Position (CMP) Sensor
Table 4: Crankshaft Position (CKP) Sensor
Table 5: Engine Coolant Temperature Sensor
Table 6: Engine Oil Level Switch
Table 7: Evaporative Emission (EVAP) Canister Purge Valve
Table 8: Evaporative Emission (EVAP) Canister Vent Valve
Table 9: Exhaust Gas Recirculation (EGR) Valve
Table 10: Fuel Injector #1
Table 11: Fuel Injector #3
Table 12: Fuel Injector #5
Table 13: Fuel Injector #7
Table 14: Fuel Injector #2
Table 15: Fuel Injector #4
Table 16: Fuel Injector #6
Table 17: Fuel Injector #8
Table 18: Fuel Tank Pressure Sensor
Table 19: Heated Oxygen Sensor (HO2S), Left Rear
Table 20: Heated Oxygen Sensor (HO2S), Right Front
Table 21: Heated Oxygen Sensor (HO2S), Right Rear
Table 22: Idle Air Control (IAC) Valve
Table 23: Intake Air Temperature (IAT) Sensor
Table 24: Knock Sensors (KS)
Table 25: Manifold Absolute Pressure (MAP) Sensor
Table 26: Mass Air Flow (MAF) Sensor
Table 27: Reverse Inhibit Solenoid
Table 28: Secondary Air Injection (AIR) Bleed Valve Solenoid
Table 29: Secondary Air Injection (AIR) Pump
Table 30: Skip Shift Solenoid
Table 31: Throttle Position (TP) Sensor
Table 32: Vehicle Speed Sensor (VSS)

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

DK GRN

59

A/C Compressor Clutch Control

B

BLK

450

A/C Compressor Clutch Ground

A/C Refrigerant Pressure Sensor


Object Number: 62485  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

407

A/C Refrigerant Pressure Sensor Ground

B

GRY

474

A/C Refrigerant Pressure Sensor 5.0V Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Camshaft Position (CMP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

Camshaft Position (CMP) Sensor Signal - Input

B

PNK/BLK

632

Reference Low

C

RED

631

Ignition Feed

Crankshaft Position (CKP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position (CKP) Sensor Signal - Input

B

YEL/BLK

1868

Reference Low

C

LT GRN

1867

Ignition Feed

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

BRN

718

Engine Coolant Tenperature (ECT) Sensor Ground

B

YEL

410

Engine Coolant Temperature (ECT) Sensor Signal

C

DK GRN

135

Engine Coolant Temperature (ECT) Sensor Output

Engine Oil Level Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2641
    • 2 Way F Metri-Pack 150 Series Sealed

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

BLK

450

Ground

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

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

239

Ignition Feed

B

WHT

1310

EVAP Canister Vent Valve Control

Exhaust Gas Recirculation (EGR) Valve


Object Number: 68773  Size: CH

Connector Part Information

    • 1218-6056
    •  5 Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

Exhaust Gas Recirculation (EGR) Valve Ground

B

BLK

552

Exhaust Gas Recirculation (EGR) Sensor Ground

C

BRN

1456

Exhaust Gas Recirculation (EGR) Pintle Position

D

GRY

705

Exhaust Gas Recirculation (EGR) 5V Reference

E

LT BLU

697

Exhaust Gas Recirculation (EGR) Valve Control

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

639

Ignition Feed

B

BLK

1744

Fuel Injector #1 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

639

Ignition Feed

B

PNK/BLK

1746

Fuel Injector #3 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

639

Ignition Feed

B

BLK/WHT

845

Fuel Injector #5 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

639

Ignition Feed

B

RED/BLK

877

Fuel Injector #7 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

839

Ignition Feed

B

LT GRN/BLK

1745

Fuel Injector #2 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

839

Ignition Feed

B

LT BLU/BLK

844

Fuel Injector #4 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

839

Ignition Feed

B

YEL/BLK

846

Fuel Injector #6 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

839

Ignition Feed

B

DK BLU/WHT

878

Fuel Injector #8 Control

Fuel Tank Pressure Sensor


Object Number: 62453  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Fuel Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Signal

C

GRY/BLK

416

5V Sensor Feed

Heated Oxygen Sensor (HO2S), Left Rear


Object Number: 40407  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

LR Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1668

LR Heated Oxygen Sensor (HO2S) - High

C

BLK

450

Ground

D

PNK

539

Ignition Feed

Heated Oxygen Sensor (HO2S), Right Front


Object Number: 40407  Size: CH

Connector Part Information

    • 121-60825
    • 4 Way M Metri-Pack 150 Series Sealed(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

450

Ground

D

PNK

539

Ignition Feed

Heated Oxygen Sensor (HO2S), Right Rear


Object Number: 40407  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

RR Heated Oxygen Sensor (HO2S) - Low

B

PPL

1670

RR Heated Oxygen Sensor (HO2S) - High

C

BLK

450

Ground

D

PNK

539

Ignition Feed

Idle Air Control (IAC) Valve


Object Number: 38608  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

Intake Air Temperature (IAT) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 1216-2199
    • 2 Way F Metri Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

719

Intake Air Temperature (IAT) Sensor Ground

B

TAN

472

Intake Air Temperature (IAT) Sensor Signal

Knock Sensors (KS)


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2641
    • 2 Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor (KS) Signal - Front

B

LT BLU

1876

Knock Sensor (KS) Signal - Rear

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

ORN/BLK

469

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

Mass Air Flow (MAF) Sensor


Object Number: 62453  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL

492

Mass Air Flow (MAF) Sensor Signal

B

BLK/WHT

451

Ground

C

PNK

539

Ignition Feed

Reverse Inhibit Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2646
    • 2 Way F Metri-Pack 150 Series Sealed (WHT)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1652

Reverse Inhibit Solenoid Control

B

PNK

539

Ignition Feed

Secondary Air Injection (AIR) Bleed Valve Solenoid


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/BLK

429

Secondary Air Injection Bleed Valve Solenoid - Feed

B

BLK

150

Ground

Secondary Air Injection (AIR) Pump


Object Number: 68730  Size: CH

Connector Part Information

    • 1211-0293
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

78

Secondary Air Injection Pump Motor - Feed

B

PNK/BLK

429

Secondary Air Injection Solenoid - Feed

C

BLK

150

Ground

Skip Shift Solenoid


Object Number: 35437  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

GRY

587

Skip Shift Solenoid Control

B

PNK

539

Ignition Feed

Throttle Position (TP) 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

GRY

596

Throttle Position (TP) Sensor 5V Reference

B

BLK

452

Sensor Ground

C

DK BLU

417

Throttle Position Sensor Signal

Vehicle Speed Sensor (VSS)


Object Number: 62471  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

PPL

401

Vehicle Speed Sensor (VSS) Signal - Low

B

YEL

400

Vehicle Speed Sensor (VSS) Signal - High