GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Camshaft Position (CMP) Sensor
Table 3: Crankshaft Position Sensor (CKP) Sensor
Table 4: Throttle Actuator Control (TAC)
Table 5: Engine Coolant Temperature (ECT) Sensor
Table 6: Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
Table 7: Evaporative Emissions (EVAP) Canister Vent Solenoid
Table 8: Exhaust Gas Recirculation (EGR) Valve
Table 9: Fuel Injector 1
Table 10: Fuel Injector 2
Table 11: Fuel Injector 3
Table 12: Fuel Injector 4
Table 13: Fuel Pump/Sender
Table 14: Fuel Tank Pressure (FTP) Sensor
Table 15: Heated Oxygen Sensor (HO2S) 1
Table 16: Heated Oxygen Sensor (HO2S) 2
Table 17: Ignition Coil (IC) Module
Table 18: Intake Air Temperature (IAT) Sensor
Table 19: Intake Manifold Tuning (IMT) Solenoid Valve
Table 20: Intake Manifold Tuning (IMT) Valve Position Sensor
Table 21: Knock Sensor (KS)
Table 22: Manifold Absolute Pressure (MAP) Sensor
Table 23: Rough Road Sensor

Accelerator Pedal Position (APP) Sensor


Object Number: 1468516  Size: CH

Connector Part Information

    • AMP 174923
    • 6-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

D-BU

1161

Accelerator Pedal Position Sensor 1Signal

2

D-GN/WH

718

Low Reference

3

WH

1162

Accelerator Pedal Position Sensor 2 Signal

4

L-BU

645

Low Reference

5

GY

474

5-Volt Reference

6

GY/BK

596

5-Volt Reference

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

PK

1733

Ignition 1 Voltage

2

BK/WH

51

Ground

3

L-BU/BK

1748

Camshaft Position (CMP) Sensor Signal

Crankshaft Position Sensor (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

 

Throttle Actuator Control (TAC)


Object Number: 1466987  Size: CH

Connector Part Information

    • PED 15326835
    • 8-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

PU

427

5 Volt Reference

2

BN/BK

486

Throttle Position Sensor Signal 2

3

WH

425

Throttle Position Sensor Signal 1

4

L-BU

426

Low Reference

5

L-BU

581

ETC (- )

6-7

--

--

Not Used

8

BU/BK

582

ETC (+)

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-GN

410

Engine Coolant Temperature (ECT) Sensor Signal

B

WH

808

Low Reference

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve


Object Number: 684795  Size: CH

Connector Part Information

    • PED 12052643
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

WH

452

EVAP Canister Purge Valve Solenoid Control

B

PK/D-BU

1733

Ignition 1 Voltage

Evaporative Emissions (EVAP) Canister Vent Solenoid


Object Number: 1481266  Size: CH

Connector Part Information

    • AK 32229
    • 2-Way F (BN)

Pin

Wire Color

Circuit No.

Function

1

YE

1578

EVAP Canister Vent Solenoid Control

2

BN

1733

Ignition 1 Voltage

Exhaust Gas Recirculation (EGR) Valve


Object Number: 1468386  Size: CH

Connector Part Information

    • PED 12110790
    • 5-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

D-BU

436

Exhaust Gas Recirculation (EGR) Valve Control

B

WH

813

Low Reference

C

D-GN

435

Exhaust Gas Recirculation (EGR) Valve Position Sensor Signal

D

L-BU

416

5-Volt Reference

E

PK

1733

Ignition 1 Voltage

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

PK

1733

Ignition 1 Voltage

2

YE

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

PK

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

PK

1733

Ignition 1 Voltage

2

BN/WH

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

PK

1733

Ignition 1 Voltage

2

L-GN

1744

Fuel Injector 4 Control

 

Fuel Pump/Sender


Object Number: 1468528  Size: CH

Connector Part Information

    • AMP 36159-1
    • 6-Way F Fuel Pump 6 POS Connector 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

BK

850

Ground

5

PU

172

Low Fuel Indicator Control

6

L-BU

1937

Low Reference

Fuel Tank Pressure (FTP) 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

GY/D-GN

1029

Low Reference

B

L-BU

1030

Fuel Tank Pressure Sensor Signal

C

WH

1031

5-Volt Reference

Heated Oxygen Sensor (HO2S) 1


Object Number: 1466979  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

D-BU/BK

429

Heated Oxygen Sensor (HO2S) 1 Signal

2

BN

50

Heated Oxygen Sensor (HO2S) 1 Heater Control

3

WH

428

Heated Oxygen Sensor (HO2S) 1 Low Reference

4

PK/D-BU

1734

Main Relay Output

Heated Oxygen Sensor (HO2S) 2


Object Number: 1468528  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

L-GN

413

Heated Oxygen Sensor (HO2S) 2 Signal

2

BN

1671

Heated Oxygen Sensor (HO2S) 2 Heater Control

3

D-GN/BK

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference

4

PK/D-BU

1734

Main Relay Output

Ignition Coil (IC) 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

OG

423

Ignition Coil (IC) Timing Control 2 and 3

B

PK/D-BU

539

Ignition 1 Voltage

C

WH

406

Ignition Coil (IC) Timing Control 1 and 4

Intake Air Temperature (IAT) Sensor


Object Number: 1467003  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

L-BU

468

Intake Air Temperature (IAT) Sensor Signal

2

WH

808

Low Reference

Intake Manifold Tuning (IMT) Solenoid Valve


Object Number: 1466982  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

PK

1733

Ignition 1 Voltage

2

YE

492

Intake Manifold Tuning Valve Solenoid Control

Intake Manifold Tuning (IMT) Valve Position Sensor


Object Number: 1467094  Size: CH

Connector Part Information

    • AMP 1717888
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU

469

5-Volt Reference

2

YE

45

Intake Manifold Tuning (IMT) Valve Position Sensor

3

WH

433

Low Reference

Knock Sensor (KS)


Object Number: 1467003  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

L-BU

496

Knock Sensor (KS) Signal

2

D-BU/WH

1876

Low Reference

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

WH

433

Low Reference

B

L-BU

432

Manifold Absolute Pressure (MAP) Sensor Signal

 

C

L-BU

469

5-Volt Reference

Rough Road Sensor


Object Number: 73223  Size: CH

Connector Part Information

    • PED 12162185
    • 3-Way F Metri-Pack 150.2 Series Sealed, Pull To Seat (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1937

Low Reference

B

D-GN

602

Rough Road Sensor Signal

C

WH

1031

5-Volt Reference