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: Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
Table 5: Exhaust Gas Recirculation (EGR) Valve
Table 6: Fuel Injector 1
Table 7: Fuel Injector 2
Table 8: Fuel Injector 3
Table 9: Fuel Pump/Sender
Table 10: Heated Oxygen Sensor (HO2S) 1
Table 11: Heated Oxygen Sensor (HO2S) 2
Table 12: Idle Air Control (IAC) Valve
Table 13: Ignition Coil Module
Table 14: Intake Air Temperature (IAT) Sensor
Table 15: Knock Sensor (KS)
Table 16: Manifold Absolute Pressure (MAP) Sensor
Table 17: Octane Selection Switch
Table 18: Oil Pressure Switch
Table 19: Oxygen (O2) Sensor
Table 20: Power Steering Pressure Switch
Table 21: Throttle Position (TP) Sensor

Camshaft Position (CMP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

    • AMP 85205-1
    • 3-Way F JR Power Timer 3P Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

BN/WH

633

Camshaft Position (CMP) Sensor Signal

2

PK/BK

632

Low Reference

3

OG/BK

1733

Ignition 1 Voltage

Crankshaft Position (CKP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

    • AMP 85205-1
    • 3-Way F JR Power Timer 3P Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

D-BU/WH

1869

Crankshaft Position (CKP) Sensor Signal LOW

2

YE/BK

1868

Crankshaft Position (CKP) Sensor Signal HIGH

3

BK/WH

1451

Shield Ground

Engine Coolant Temperature (ECT) Sensor


Object Number: 62426  Size: CH

Connector Part Information

    • PED 12040753
    • 2-Way F Metri-Pack 150 Series, Sealed, Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

1

BN/D-BU

718

Low Reference

2

YE

410

Engine Coolant Temperature (ECT) Sensor Signal

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way FJR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

428

EVAP Canister Purge Valve Solenoid Control

2

OG/BK

1733

Ignition 1 Voltage

Exhaust Gas Recirculation (EGR) Valve


Object Number: 684863  Size: CH

Connector Part Information

    • PED 12186139
    • 2-Way F Metri-Pack 150 Series, Sealed, Pull To Seat (L-GY)

Pin

Wire Color

Circuit No.

Function

1

WH

257

Exhaust Gas Recirculation (EGR) Valve Signal

2

PK/BK

632

Low Reference

3

BN

1456

Exhaust Gas Recirculation (EGR) Valve Position Signal

4

GY

2702

5-Volt Reference

5

OG/BK

1733

Ignition 1 Voltage

Fuel Injector 1


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

1744

Fuel Injector 1 Control

2

OG/BK

1733

Ignition 1 Voltage

Fuel Injector 2


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

1745

Fuel Injector 2 Control

2

OG/BK

1733

Ignition 1 Voltage

Fuel Injector 3


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

PK/BK

1746

Fuel Injector 3 Control

2

OG/BK

1733

Ignition 1 Voltage

Fuel Pump/Sender


Object Number: 348367  Size: CH

Connector Part Information

    • FCI 806009-A
    • ?

Pin

Wire Color

Circuit No.

Function

1

GY/YE

596

Fuel Level Sensor Signal

2

BK

850

Ground

3

GY/BK

120

Fuel Pump Supply Voltage

4

BK

850

Ground

5

YE/D-GN

172

Low Fuel Indicator Signal

6

GY

720

Low Reference

Heated Oxygen Sensor (HO2S) 1


Object Number: 1466979  Size: CH

Connector Part Information

    • AMP 174257-2
    • 4-Way M 070 Series Econoseal J MK-2 Plug Ass'y 4P (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/PK

412

Heated Oxygen Sensor (HO2S) 1 Signal

2

OG/BK

1733

Ignition 1 Voltage

3

BN

413

Low Reference

4

D-BU/WH

1677

Heated Oxygen Sensor (HO2S) 1 Heater Signal

Heated Oxygen Sensor (HO2S) 2


Object Number: 1466979  Size: CH

Connector Part Information

    • KUM PB625-04027
    • ?

Pin

Wire Color

Circuit No.

Function

1

PU/D-GN

1980

Heated Oxygen Sensor (HO2S) 2 Signal

2

OG/BK

1733

Ignition 1 Voltage

3

GY/D-BU

1981

Low Reference

4

D-GN

676

Heated Oxygen Sensor (HO2S) 2 Heater Signal

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

    • PKD 12040754
    • 4-Way F Metri-Pack 150 (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

1748

Idle Air Control (IAC) A Low Control

B

L-BU/WH

1747

Idle Air Control (IAC) A High Control

C

L-GN/BK

444

Idle Air Control (IAC) B Low Control

D

L-GN/WH

1749

Idle Air Control (IAC) B High Control

Ignition Coil Module


Object Number: 1468526  Size: CH

Connector Part Information

    • PED 12162859
    • 4-Way F Metri-Pack 150.2 Sealed Connector Assembly (BG)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1153

Ignition Coil 1 Control

B

PK

1155

Ignition Coil 2 Control

C

BN

1158

Ignition Coil 3 Control

D

OG/BK

1733

Ignition 1 Voltage

Intake Air Temperature (IAT) Sensor


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

PU

719

Low Reference

2

BN

472

Intake Air Temperature (IAT) Sensor Signal

Knock Sensor (KS)


Object Number: 1466993  Size: CH

Connector Part Information

    • AMP 368215-1
    • 3-Way F JPT 3P Ass'y for Knock Sensor (GY)

Pin

Wire Color

Circuit No.

Function

1

D-BU

496

Knock Sensor (KS) Signal

2

YE/BK

457

Knock Sensor (KS) Signal

3

BK/WH

951

Shield Ground

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • PED 12129946
    • 2-Way F Metri-Pack 150 Series, Sealed

Pin

Wire Color

Circuit No.

Function

A

GY/BK

720

Low Reference

B

L-GN

432

Manifold Absolute Pressure (MAP) Sensor Signal

C

GY

474

5-Volt Reference

Octane Selection Switch


Object Number: 1467062  Size: CH

Connector Part Information

    • KET MG 620395-5
    • 3-Way M SDL Series (WH)

Pin

Wire Color

Circuit No.

Function

1

D-GN/YE

2642

Octane Switch

2

BK

750

Ground

3

YE

2643

Octane Switch

Oil Pressure Switch


Object Number: 365953  Size: CH

Connector Part Information

    • KET ST 730173-1
    • 1-Way F 250 Series Connector (CL)

Pin

Wire Color

Circuit No.

Function

1

BN

31

Oil Pressure Indicator Control

Oxygen (O2) Sensor


Object Number: 1466982  Size: CH

Connector Part Information

    • AMP 174352
    • 2-Way M Econoseal J Mark II + Connector Plug Housing (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/PK

412

Oxygen (O2) Sensor Signal

2

BN

413

Low Reference

3-4

--

--

Not Used

Power Steering Pressure Switch


Object Number: 1509179  Size: CH

Connector Part Information

    • ST 730173-2
    • 1-Way F Connector (CL)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

495

Power Steering Pressure Switch Signal

Throttle Position (TP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • PKD 12065287
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

416

5-Volt Reference

B

BN

808

Low Reference

C

D-BU

417

Throttle Position (TP) Sensor Signal