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: Exhaust Gas Recirculation (EGR) Valve (OBD)
Table 5: Exhaust Gas Recirculation (EGR) Valve Solenoid (Non-OBD)
Table 6: Evaporative Emissions (EVAP) Canister Purge Solenoid
Table 7: Fuel Injector 1
Table 8: Fuel Injector 2
Table 9: Fuel Injector 3
Table 10: Fuel Injector 4
Table 11: Fuel Sending Unit
Table 12: Heated Oxygen Sensor (HO2S2)
Table 13: Ignition Coil Module
Table 14: Intake Air Temperature (IAT) Sensor
Table 15: Intake Manifold Tuning Valve
Table 16: Knock Sensor (KS)
Table 17: Manifold Absolute Pressure (MAP) Sensor
Table 18: Octane Selection Cap
Table 19: Octane Selection Switch
Table 20: Oxygen Sensor (O2)
Table 21: Rough Road Wheel Speed Sensor
Table 22: Throttle Body (Main Throttle Idle Actuator)

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 Number

Function

1

D-GN/YE

2100

Ignition 1 Voltage

2

YE/BK

632

Low Reference

3

PU

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 Number

Function

1

D-BU/WH

1868

Low Reference

2

YE/BK

1869

Crankshaft Position (CKP) Sensor Signal

3

BK

2251

Low Reference

Engine Coolant Temperature (ECT) 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 Number

Function

1

L-GN

410

Engine Coolant Temperature (ECT) Sensor Signal

2

D-GN

808

Low Reference

Exhaust Gas Recirculation (EGR) Valve (OBD)


Object Number: 1466981  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

1

D-GN/WH

416

5-Volt Reference

2

D-GN

808

Low Reference

3

WH/BK

1456

Exhaust Gas Recirculation (EGR) Valve Position Signal

4

GY/BK

2157

Ignition 1 Voltage

5

--

--

Not Used

6

D-GN

435

Exhaust Gas Recirculation (EGR) Solenoid Control

Exhaust Gas Recirculation (EGR) Valve Solenoid (Non-OBD)


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 Number

Function

1

D-GN

435

Exhaust Gas Recirculation (EGR) Solenoid Control

2

GY/BK

2157

Ignition 1 Voltage

Evaporative Emissions (EVAP) Canister Purge Solenoid


Object Number: 1467003  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

1

D-GN/YE

2100

Ignition 1 Voltage

2

WH

428

EVAP Canister Purge Solenoid Control

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 Number

Function

1

GY/BK

2157

Ignition 1 Voltage

2

YE/D-BU

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 Number

Function

1

GY/BK

2157

Ignition 1 Voltage

2

BN/WH

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 Number

Function

1

GY/BK

2157

Ignition 1 Voltage

2

L-GN/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 Number

Function

1

GY/BK

2157

Ignition 1 Voltage

2

D-GN/WH

844

Fuel Injector 4 Control

Fuel Sending Unit


Object Number: 1468528  Size: CH

Connector Part Information

    • AMP 936039
    • 6-Way F Fuel Pump 6POS Connector Ass'y (BN)

Pin

Wire Color

Circuit Number

Function

1

GY

1936

Fuel Level Sensor Signal

2

BK

350

Ground

3

D-BU

120

Fuel Pump Supply Voltage

4

BK

350

Ground

5

PU

172

Low Fuel Indicator Control

6

YE/RD

632

Low Reference

Heated Oxygen Sensor (HO2S2)


Object Number: 1466980  Size: CH

Connector Part Information

    • AMP 174259-2
    • 4-Way M 070 Series Econoseal-J MK-2 Cap Hsg 4P (BK)

Pin

Wire Color

Circuit Number

Function

1

BN/WH

1671

Heated Oxygen Sensor (HO2S) 2 Signal

2

D-GN/BK

1670

Heated Oxygen Sensor (HO2S) 2 Low Reference

3

D-GN/YE

2100

Ignition 1 Voltage

4

L-GN

413

Low Reference

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 Number

Function

A

D-BU/WH

423

Ignition Coil (IC) Timing Control (2 and 3)

B

PK

439

Ignition 1 Voltage

C

YE/BK

406

Ignition Coil (IC) Timing Control (2 and 3)

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 Number

Function

1

GY

472

Intake Air Temperature (IAT) Sensor Signal

2

L-BU

469

Low Reference

Intake Manifold Tuning 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 Number

Function

1

WH/BK

962

Intake Manifold Tuning Valve Solenoid Control

2

D-GN/YE

2100

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 (BK)

Pin

Wire Color

Circuit Number

Function

1

YE/BK

496

Knock Sensor (KS) Signal

2

D-BU/WH

1876

Low Reference

3

BK/WH

2351

Low Reference

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 Number

Function

A

L-BU

469

Low Reference

B

D-BU/WH

432

Manifold Absolute Pressure (MAP) Signal

C

BN/BK

1688

5-Volt Reference

Octane Selection Cap


Object Number: 1467029  Size: CH

Connector Part Information

    • KET MG 310327
    • 3-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

--

--

Not Used

2

BK

--

Jumper

3

BK

--

Jumper

Octane Selection Switch


Object Number: 1467076  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

1

--

--

Octane Switch Signal (w/o OBD)

2

BK/WH

51

Ground

3

L-BU

722

Octane Switch Signal

Oxygen Sensor (O2)


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 Number

Function

1

D-GN/RD

1665

Oxygen Sensor (O2) Signal

2

L-BU

469

Low Reference

Rough Road Wheel Speed Sensor


Object Number: 537107  Size: CH

Connector Part Information

    • PED 12052644
    • 2-Way F Metri-Pack 150 Series, Sealed (L-GY)

Pin

Wire Color

Circuit Number

Function

1

BK

2245

Rough Road Wheel Speed Sensor Signal

2

WH

2244

Low Reference

Throttle Body (Main Throttle Idle Actuator)


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 Number

Function

1

D-BU/WH

426

Idle Motor Return

2

D-GN/WH

416

5 Volt Reference

3

--

--

Not Used

4

L-GN/WH

534

High Idle Switch Signal

5

WH

425

Idle Motor Feed

6

PU/WH

427

Idle Speed Control Motor Switch Signal

7

L-GN

417

Throttle Position (TP) Sensor Signal

8

D-GN

808

Low Reference