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 Emission (EVAP) Canister Purge Solenoid Valve
Table 5: Evaporative Temperature Sensor
Table 6: Exhaust Gas Recirculation (EGR) Valve
Table 7: Fuel Injector 1
Table 8: Fuel Injector 2
Table 9: Fuel Injector 3
Table 10: Fuel Injector 4
Table 11: Fuel Pump/Sender
Table 12: Heated Oxygen Sensor (HO2S) 1
Table 13: Heated Oxygen Sensor (HO2S) 2
Table 14: Ignition Coil Module
Table 15: Intake Air Temperature (IAT) Sensor
Table 16: Knock Sensor (KS)
Table 17: Manifold Absolute Pressure (MAP) Sensor
Table 18: Octane Selection Switch
Table 19: Oxygen (O2) Sensor
Table 20: Throttle Body - Main Throttle Idle Actuator (MTIA)

Camshaft Position (CMP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

    • AMP 85205-1
    • 3-Way F JR Power Timer 3P Housing Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU/BK

1749

Low Reference

2

L-GN/WH

1748

Camshaft Position (CMP) Sensor Signal

3

BN

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 Housing Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

D-BU/WH

1869

Crankshaft Position (CKP) Sensor Signal

2

YE/BK

1868

Low Reference

3

BK/WH

51

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

A

L-BN

410

Engine Coolant Temperature (ECT) Sensor Signal

B

D-GN

808

Low Reference

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Housing Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

452

Evaporative Emission (EVAP) Canister Purge Valve Solenoid Control

2

OG/BK

1733

Ignition 1 Voltage

Evaporative Temperature Sensor


Object Number: 1467036  Size: CH

Connector Part Information

    • KET MG 610392
    • 2-Way F Sealed Series (WH)

Pin

Wire Color

Circuit No.

Function

1

BN

732

Evaporator Temperature Sensor Signal

2

L-BU

733

Low Reference

Exhaust Gas Recirculation (EGR) Valve


Object Number: 1466981  Size: CH

Connector Part Information

    • AMP 174262-2
    • 6-Way F Econoseal J-Mark II + 6P (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

416

5-Volt Reference

2

D-GN

813

Low Reference

3

D-GN

435

Exhaust Gas Recirculation (EGR) Valve Control

4

BN

1733

Ignition 1 Voltage

5

--

--

Not Used

6

D-BU

436

Exhaust Gas Recirculation (EGR) Valve Control

Fuel Injector 1


Object Number: 1466998  Size: CH

Connector Part Information

    • AMP 368468-1
    • 2-Way F Injector Plug Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

1733

Ignition 1 Voltage

2

BN/BK

1747

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 1466998  Size: CH

Connector Part Information

    • AMP 368468-1
    • 2-Way F Injector Plug Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

1733

Ignition 1 Voltage

2

BN/BK

1746

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 1466998  Size: CH

Connector Part Information

    • AMP 368468-1
    • 2-Way F Injector Plug Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

1733

Ignition 1 Voltage

2

YE/D-BU

1745

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 1466998  Size: CH

Connector Part Information

    • AMP 368468-1
    • 2-Way F Injector Plug Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

1733

Ignition 1 Voltage

2

L-GN/BK

1744

Fuel Injector 4 Control

Fuel Pump/Sender


Object Number: 1468528  Size: CH

Connector Part Information

    • AMP 936039
    • 6-Way F Fuel Pump 6POS Conn'r Assembly (BN)

Pin

Wire Color

Circuit No.

Function

1

GY

1936

Fuel Level Sensor Signal

2

BK

850

Ground

3

BN

1723

Fuel Pump Supply Voltage

4

BN

850

Ground

5

PU

172

Low Fuel Indicator Signal

6

L-BU

1937

Low Reference

Heated Oxygen Sensor (HO2S) 1


Object Number: 1468381  Size: CH

Connector Part Information

    • KUM PB 625-04027
    • 4-Way F NMWP 02F-B Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

428

Low Reference

2

BN/WH

50

Heated Oxygen Sensor (HO2S) 1 Signal

3

OG

469

Heated Oxygen Sensor (HO2S) 1 Heater Control

4

BN

1733

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 2


Object Number: 1466979  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

PU

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference

2

PU

1671

Heated Oxygen Sensor (HO2S) 2 Signal

3

L-BU

733

Heated Oxygen Sensor (HO2S) 2 Heater Control

4

BN

1733

Ignition 1 Voltage

Ignition Coil Module


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

423

Ignition Coil 2 and 3 Control

B

PK

539

Ignition 1 Voltage

C

OG

406

Ignition Coil 1 and 4 Control

Intake Air Temperature (IAT) Sensor


Object Number: 1467003  Size: CH

Connector Part Information

    • AMP 85202-1
    • 2-Way F JR Power Timer 2P Housing Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU

468

Intake Air Temperature (IAT) Sensor Signal

2

D-GN

808

Low Reference

Knock Sensor (KS)


Object Number: 1466993  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

YE/BK

496

Knock Sensor (KS) Signal

2

D-BU

1876

Low Reference

3

BK

51

Ground

Manifold Absolute Pressure (MAP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

GY/BK

433

Manifold Absolute Pressure (MAP) Sensor Signal

C

L-BU/WH

432

5-Volt Reference

Octane Selection Switch


Object Number: 1467062  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

D-GN

890

Octane Switch Signal

2

BK

51

Ground

3

BN

1456

Octane Switch Signal

Oxygen (O2) Sensor


Object Number: 1466982  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

428

Oxygen (O2) Sensor Signal

2

BK

469

Low Reference

Throttle Body - Main Throttle Idle Actuator (MTIA)


Object Number: 1466987  Size: CH

Connector Part Information

    • AMP 174982-2
    • 8-Way M 070 Series Econoseal J-Mark II + 8P (BK)

Pin

Wire Color

Circuit No.

Function

1

WH/BN

425

Idle Motor Speed Return

2

WH/D-BU

533

5-Volt Reference

3

--

--

Not Used

4

L-GN/WH

534

Idle Motor Position Signal

5

D-BU

426

Idle Motor Speed Signal

6

PU

427

Idle Switch Position Signal

7

L-GN

417

Throttle Position (TP) Sensor Signal

8

GN

415

Low Reference