GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position Sensor (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 (ECE 83 Emissions)
Table 6: Exhaust Gas Recirculation (EGR) Valve (Euro III Emissions)
Table 7: Exhaust Gas Recirculation (EGR) Valve (Euro IV Emissions)
Table 8: Fuel Injector 1
Table 9: Fuel Injector 2
Table 10: Fuel Injector 3
Table 11: Fuel Injector 4
Table 12: Fuel Pump/Sender
Table 13: Heated Oxygen Sensor (HO2S) 1
Table 14: Heated Oxygen Sensor (HO2S) 2
Table 15: Ignition Coil Module (1 and 4)
Table 16: Ignition Coil Module (2 and 3)
Table 17: Intake Air Temperature (IAT) Sensor
Table 18: Intake Manifold Tuning Valve
Table 19: Knock Sensor (KS)
Table 20: Manifold Absolute Pressure (MAP) Sensor
Table 21: Octane Selection Switch
Table 22: Oxygen (O2) Sensor
Table 23: Rough Road Sensor
Table 24: Throttle Body

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

PK/BK

1846

Ignition 1 Voltage

2

GY

632

Low Reference

3

BN/WH

633

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 Hsg Ass'y (BK)

Pin

Wire Color

Circuit No.

Function

1

YE/BK

1868

Low Reference

2

D-BU/WH

1869

Crankshaft Position (CKP) Sensor Signal

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

1

YE

410

Engine Coolant Temperature (ECT) Sensor Signal

2

BK/YE

808

Low Reference

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve


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

1846

Ignition 1 Voltage

2

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Exhaust Gas Recirculation (EGR) Valve (ECE 83 Emissions)


Object Number: 1466982  Size: CH

Connector Part Information

    • AMP 368530
    • 2-Way M Econoseal J Mark II + Connector Plug Housing (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

435

Exhaust Gas Recirculation (EGR) Solenoid Control

2

PK

139

Ignition 1 Voltage

Exhaust Gas Recirculation (EGR) Valve (Euro III Emissions)


Object Number: 1466981  Size: CH

Connector Part Information

    • AMP 368530-1
    • 6-Way F Econoseal J-Mark II + 6P (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

416

5-Volt Reference Voltage

2

BK/YE

808

Sensor Ground

3

BN

1456

Exhaust Gas Recirculation (EGR) Signal

4

PK

139

Ignition 1 Voltage

5

--

--

Not Used

6

GY

435

Exhaust Gas Recirculation (EGR) Solenoid Low Control

Exhaust Gas Recirculation (EGR) Valve (Euro IV Emissions)


Object Number: 1466981  Size: CH

Connector Part Information

    • AMP 368530-1
    • 6-Way F Econoseal J-Mark II + 6P (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

435

Exhaust Gas Recirculation (EGR) Solenoid Low Control

2

BK/YE

808

Sensor Ground

3

BN

1456

Exhaust Gas Recirculation (EGR) Signal

4

GY

416

5-Volt Reference Voltage

5

PK

139

Ignition 1 Voltage

6

--

--

Not Used

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

PK

139

Ignition 1 Voltage

2

BK

1744

Fuel Injector 1 Control

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

PK

139

Ignition 1 Voltage

2

L-GN/BK

1745

Fuel Injector 2 Control

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

139

Ignition 1 Voltage

2

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


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

139

Ignition 1 Voltage

2

L-BU/BK

844

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 Ass'y (BN)

Pin

Wire Color

Circuit No.

Function

1

D-BU

1936

Fuel Level Sensor Signal

2

BK

1250

Ground

3

GY

120

Fuel Pump Supply Voltage

4

BK

1250

Ground

5

PU

172

Low Fuel Indicator Control

6

PU/BK

632

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

PU/WH

1665

Heated Oxygen Sensor (HO2S) 1 Low Reference

2

PK/BK

1846

Ignition 1 Voltage

3

OG/BK

469

Heated Oxygen Sensor (HO2S) 1 Heater Control

4

BN/WH

1666

Heated Oxygen Sensor (HO2S) 1 Signal

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 Ass'y 4P (BK)

Pin

Wire Color

Circuit No.

Function

1

PU

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference

2

PK/BK

1846

Ignition 1 Voltage

3

L-GN

413

Heated Oxygen Sensor (HO2S) 2 Heater Control

4

BN/BK

1671

Heated Oxygen Sensor (HO2S) 2 Signal

Ignition Coil Module (1 and 4)


Object Number: 1467100  Size: CH

Connector Part Information

    • KET MG 641789-4
    • 2-Way F 090-II WP Series

Pin

Wire Color

Circuit No.

Function

1

OG

406

Ignition Coil Control (1 and 4)

2

PK

739

Ignition 1 Voltage

Ignition Coil Module (2 and 3)


Object Number: 1467099  Size: CH

Connector Part Information

    • KET MG 641637-5
    • 2-Way F 090-II WP Series (BK)

Pin

Wire Color

Circuit No.

Function

1

WH

423

Ignition Coil Control (2 and 3)

2

PK

739

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

BN

472

Intake Air Temperature (IAT) Sensor Signal

2

OG/BK

469

Low Reference

Intake Manifold Tuning Valve


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

WH/BK

962

Intake Manifold Tuning Valve Solenoid Control

2

PK/BU

539

Ignition 1 Voltage

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

YE/BK

496

Knock Sensor (KS) Signal

2

D-BU/WH

1876

Low Reference

3

BK/WH

51

Ground

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • PED 12129946
    • 3-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

Manifold Absolute Pressure (MAP) Sensor Signal

C

L-BU/BK

1688

5-Volt Reference

Octane Selection Switch


Object Number: 1467076  Size: CH

Connector Part Information

    • KET MG 640329
    • 3-Way M SWP Series (BK)

Pin

Wire Color

Circuit No.

Function

1

PU

773

Octane Switch Signal

2

BK/WH

251

Ground

3

L-BU

772

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

PU/WH

1665

Oxygen (O2) Sensor Signal

2

OG/BK

469

Low Reference

Rough Road Sensor


Object Number: 537107  Size: CH

Connector Part Information

    • Bosch 2264-420424
    • 2-Way F Metri-Pack 150 Series, Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

WH

873

Rough Road Sensor Signal

B

OG

830

5-Volt Reference

Throttle Body


Object Number: 1466987  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

D-BU

426

Idle Motor Return

2

GY

416

5-Volt Reference

3

--

--

Not Used

4

D-GN

534

High Idle Switch Signal

5

L-BU

425

Idle Motor Feed

6

PK

427

Idle Speed Motor Switch Signal

7

D-BU

417

Throttle Position (TP) Sensor Signal

8

BK/YE

808

Low Reference