GM Service Manual Online
For 1990-2009 cars only
Connector 1: Camshaft Position (CMP) Sensor
Connector 2: Crankshaft Position Sensor (CKP) Sensor
Connector 3: Engine Coolant Temperature (ECT) Sensor
Connector 4: Exhaust Gas Recirculation (EGR) Valve (OBD)
Connector 5: Exhaust Gas Recirculation (EGR) Valve Solenoid (w/oOBD)
Connector 6: Evaporative Emissions (EVAP) Canister Purge Solenoid
Connector 7: Fuel Injector 1
Connector 8: Fuel Injector 2
Connector 9: Fuel Injector 3
Connector 10: Fuel Injector 4
Connector 11: Fuel Sending Unit
Connector 12: Heated Oxygen Sensor (HO2S2)
Connector 13: Ignition Coil Module
Connector 14: Intake Air Temperature (IAT) Sensor
Connector 15: Intake Manifold Tuning Valve
Connector 16: Knock Sensor (KS)
Connector 17: Manifold Absolute Pressure (MAP) Sensor
Connector 18: Octane Selection Cap
Connector 19: Octane Selection Switch
Connector 20: Oxygen Sensor (O2)
Connector 21: Rough Road Wheel Speed Sensor
Connector 22: Throttle Body (Main Throttle Idle Actuator)

Camshaft Position (CMP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

  • OEM: 85205-1
  • Service: N/A
  • Description: 3-Way F JR Power Timer Series (BK)

Camshaft Position (CMP) Sensor

Pin

Wire Color

Circuit No.

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

  • OEM: 85205-1
  • Service: N/A
  • Description: 3-Way F JR Power Timer Series (BK)

Crankshaft Position Sensor (CKP) Sensor

Pin

Wire Color

Circuit No.

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

  • OEM: 85202-1
  • Service: N/A
  • Description: 2-Way F JR Power Timer Series (BK)

Engine Coolant Temperature (ECT) Sensor

Pin

Wire Color

Circuit No.

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

  • OEM: 174262-2
  • Service: N/A
  • Description: 6-Way F Econoseal J-Mark II Series (BK)

Exhaust Gas Recirculation (EGR) Valve (OBD)

Pin

Wire Color

Circuit No.

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 (w/oOBD)


Object Number: 1466982  Size: CH

Connector Part Information

  • OEM: 174352-2
  • Service: N/A
  • Description: 2-Way M Econoseal J Mark II Series (BK)

Exhaust Gas Recirculation (EGR) Valve Solenoid (w/oOBD)

Pin

Wire Color

Circuit No.

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

  • OEM: 85202-1
  • Service: N/A
  • Description: 2-Way JR F Power Timer Series (BK)

Evaporative Emissions (EVAP) Canister Purge Solenoid

Pin

Wire Color

Circuit No.

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

  • OEM: 85202-1
  • Service: N/A
  • Description: 2-Way F JR Power Timer Series (BK)

Fuel Injector 1

Pin

Wire Color

Circuit No.

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

  • OEM: 85202-1
  • Service: N/A
  • Description: 2-Way F JR Power Timer Series (BK)

Fuel Injector 2

Pin

Wire Color

Circuit No.

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

  • OEM: 85202-1
  • Service: N/A
  • Description: 2-Way F JR Power Timer Series (BK)

Fuel Injector 3

Pin

Wire Color

Circuit No.

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

  • OEM: 85202-1
  • Service: N/A
  • Description: 2-Way F JR Power Timer Series (BK)

Fuel Injector 4

Pin

Wire Color

Circuit No.

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

  • OEM: 936039
  • Service: N/A
  • Description: 6-Way F (BN)

Fuel Sending Unit

Pin

Wire Color

Circuit No.

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

  • OEM: 174259-2
  • Service: N/A
  • Description: 4-Way M .070 Econoseal-J MK-2 Series (BK)

Heated Oxygen Sensor (HO2S2)

Pin

Wire Color

Circuit No.

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

  • OEM: 12059595
  • Service: N/A
  • Description: 3-Way F Metri-Pack 150 Series, Sealed (BK)

Ignition Coil Module

Pin

Wire Color

Circuit No.

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

  • OEM: 85202-1
  • Service: N/A
  • Description: 2-Way F JR Power Timer Series (BK)

Intake Air Temperature (IAT) Sensor

Pin

Wire Color

Circuit No.

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

  • OEM: 174352-2
  • Service: N/A
  • Description: 2-Way F Econoseal J Mark II Series (BK)

Intake Manifold Tuning Valve

Pin

Wire Color

Circuit No.

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

  • OEM: 368215-1
  • Service: N/A
  • Description: 3-Way F Junior Power Timer Series (BK)

Knock Sensor (KS)

Pin

Wire Color

Circuit No.

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

  • OEM: 12129946
  • Service: N/A
  • Description: 3-Way F Metri-Pack 150 Series, Sealed (GY)

Manifold Absolute Pressure (MAP) Sensor

Pin

Wire Color

Circuit No.

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

  • OEM: MG310327
  • Service: N/A
  • Description: 3-Way F (BK)

Octane Selection Cap

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BK

--

Jumper

3

BK

--

Jumper

Octane Selection Switch


Object Number: 1467076  Size: CH

Connector Part Information

  • OEM: MG640329
  • Service: N/A
  • Description: 3-Way M SWP Series (BK)

Octane Selection Switch

Pin

Wire Color

Circuit No.

Function

1

PU

723

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

  • OEM: 174352-2
  • Service: N/A
  • Description: 2-Way F Econoseal J Mark II Series (BK)

Oxygen Sensor (O2)

Pin

Wire Color

Circuit No.

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

  • OEM: 12052644
  • Service: N/A
  • Description: 2-Way F Metri-Pack 150 Series, Sealed (L-GY)

Rough Road Wheel Speed Sensor

Pin

Wire Color

Circuit No.

Function

A

BK

2245

Rough Road Wheel Speed Sensor Signal

B

WH

2244

Low Reference

Throttle Body (Main Throttle Idle Actuator)


Object Number: 1466987  Size: CH

Connector Part Information

  • OEM: 174982-2
  • Service: N/A
  • Description: 8-Way F .070 Econoseal J-Mark II Series (BK)

Throttle Body (Main Throttle Idle Actuator)

Pin

Wire Color

Circuit No.

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