GM Service Manual Online
For 1990-2009 cars only
Connector 1: Camshaft Position (CMP) Sensor (MR-140)
Connector 2: CO Potentiometer (ITMS-6F)
Connector 3: Crankshaft Position (CKP) Sensor (ITMS-6F)
Connector 4: Crankshaft Position (CKP) Sensor (MR-140)
Connector 5: Engine Coolant Temperature (ECT) Sensor
Connector 6: Evaporative Emission (EVAP) Canister Purge Solenoid (ITMS-6F)
Connector 7: Evaporative Emission (EVAP) Canister Purge Solenoid (MR-140)
Connector 8: Exhaust Gas Recirculation (EGR) Valve (MR-140)
Connector 9: Fuel Injector 1 (ITMS-6F)
Connector 10: Fuel Injector 2 (ITMS-6F)
Connector 11: Fuel Injector 3 (ITMS-6F)
Connector 12: Fuel Injector 4 (ITMS-6F)
Connector 13: Fuel Injector 1 (MR-140)
Connector 14: Fuel Injector 2 (MR-140)
Connector 15: Fuel Injector 3 (MR-140)
Connector 16: Fuel Injector 4 (MR-140)
Connector 17: Fuel Pump and Sender Assembly
Connector 18: Heated Oxygen Sensor 2 (HO2S) (MR-140)
Connector 19: Idle Air Control (IAC) Valve
Connector 20: Ignition Coil Module (ITMS-6F)
Connector 21: Ignition Coil Module (MR-140)
Connector 22: Intake Air Temperature (IAT) Sensor (ITMS-6F)
Connector 23: Intake Air Temperature (IAT) Sensor (MR-140)
Connector 24: Knock Sensor (KS) (ITMS-6F)
Connector 25: Knock Sensor (KS) (MR-140)
Connector 26: Manifold Absolute Pressure (MAP) Sensor (ITMS-6F)
Connector 27: Manifold Absolute Pressure (MAP) Sensor (MR-140)
Connector 28: Octane Selection Switch (ITMS-6F)
Connector 29: Oxygen Sensor - Non-Heated
Connector 30: Rough Road Sensor (MR-140)
Connector 31: Throttle Position (TP) Sensor (ITMS-6F)
Connector 32: Throttle Position (TP) Sensor (MR-140)

Camshaft Position (CMP) Sensor (MR-140)


Object Number: 1467078  Size: CH

Connector Part Information

  • OEM: MG640541-5
  • Service: N/A
  • Description: 3-Way F ITC Series

Camshaft Position (CMP) Sensor (MR-140)

Pin

Wire Color

Circuit No.

Function

1

BN

633

Camshaft Position (CMP) Sensor Signal

2

BK/WH

51

Ground

3

PK/BN

439

Ignition 1 Voltage

CO Potentiometer (ITMS-6F)


Object Number: 1467004  Size: CH

Connector Part Information

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

CO Potentiometer (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

D-GN

808

Low Reference

2

WH/BK

993

CO Potentiometer Signal - Leaded Fuel

3

BN/BK

1688

5-Volt Reference

Crankshaft Position (CKP) Sensor (ITMS-6F)


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 (CKP) Sensor (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

WH/D-GN

1869

Crankshaft Position (CKP) Sensor Signal

2

GY/WH

1868

Low Reference

3

BK/WH

51

Ground

Crankshaft Position (CKP) Sensor (MR-140)


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 (CKP) Sensor (MR-140)

Pin

Wire Color

Circuit No.

Function

1

YE/BK

1869

Crankshaft Position (CKP) Sensor Signal

2

D-BU/WH

1868

Low Reference

3

BK/WH

51

Ground

Engine Coolant Temperature (ECT) Sensor


Object Number: 62426  Size: CH

Connector Part Information

  • OEM: 12040753
  • Service: N/A
  • Description: 2-Way F Metri-Pack 150 Series, Sealed, Pull To Seat (BK)

Engine Coolant Temperature (ECT) Sensor

Pin

Wire Color

Circuit No.

Function

A

L-GN

410

Engine Coolant Temperature (ECT) Sensor Signal

B

D-GN

808

Low Reference

Evaporative Emission (EVAP) Canister Purge Solenoid (ITMS-6F)


Object Number: 684795  Size: CH

Connector Part Information

  • OEM: 12052643
  • Service: N/A
  • Description: 2-Way F Metri-Pack 150 Series, Sealed (RD)

Evaporative Emission (EVAP) Canister Purge Solenoid (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

A

BN

439

Ignition 1 Voltage

B

WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Purge Solenoid (MR-140)


Object Number: 684795  Size: CH

Connector Part Information

  • OEM: 12052643
  • Service: N/A
  • Description: 2-Way F Metri-Pack 150 Series, Sealed (RD)

Evaporative Emission (EVAP) Canister Purge Solenoid (MR-140)

Pin

Wire Color

Circuit No.

Function

A

PK/BN

439

Ignition 1 Voltage

B

WH

428

EVAP Canister Purge Solenoid Control

Exhaust Gas Recirculation (EGR) Valve (MR-140)


Object Number: 684863  Size: CH

Connector Part Information

  • OEM: 12186139
  • Service: N/A
  • Description: 5-Way F Metri-Pack 150 Series, Sealed (GY)

Exhaust Gas Recirculation (EGR) Valve (MR-140)

Pin

Wire Color

Circuit No.

Function

A

D-GN

435

Exhaust Gas Recirculation (EGR) Solenoid Low Control

B

L-BU

469

Low Reference

C

WH/BK

1456

Exhaust Gas Recirculation (EGR) Valve Position Signal

D

BN/BK

1688

5-Volt Reference

E

D-BU

120

Fuel Pump Supply Voltage

Fuel Injector 1 (ITMS-6F)


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 (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

PK/BK

839

Ignition 1 Voltage

2

YE/D-BU

1744

Fuel Injector 1 Control

Fuel Injector 2 (ITMS-6F)


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 (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

PK/BK

839

Ignition 1 Voltage

2

BN/WH

1745

Fuel Injector 2 Control

Fuel Injector 3 (ITMS-6F)


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 (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

PK/BK

839

Ignition 1 Voltage

2

BN/WH

1745

Fuel Injector 3 Control

Fuel Injector 4 (ITMS-6F)


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 (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

PK/BK

839

Ignition 1 Voltage

2

YE/D-BU

1744

Fuel Injector 4 Control

Fuel Injector 1 (MR-140)


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: N/A
  • Description: 2-Way F Micro-Pack 064 Series, Sealed (BK)

Fuel Injector 1 (MR-140)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

839

Ignition 1 Voltage

B

YE/D-BU

1744

Fuel Injector 1 Control

Fuel Injector 2 (MR-140)


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: N/A
  • Description: 2-Way F Micro-Pack 064 Series, Sealed (BK)

Fuel Injector 2 (MR-140)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

839

Ignition 1 Voltage

B

BN/WH

1745

Fuel Injector 2 Control

Fuel Injector 3 (MR-140)


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: N/A
  • Description: 2-Way F Micro-Pack 064 Series, Sealed (BK)

Fuel Injector 3 (MR-140)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

839

Ignition 1 Voltage

B

L-GN/BK

1746

Fuel Injector 3 Control

Fuel Injector 4 (MR-140)


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: N/A
  • Description: 2-Way F Micro-Pack 064 Series, Sealed (BK)

Fuel Injector 4 (MR-140)

Pin

Wire Color

Circuit No.

Function

A

PK/BK

839

Ignition 1 Voltage

B

D-GN/WH

844

Fuel Injector 4 Control

Fuel Pump and Sender Assembly


Object Number: 1468528  Size: CH

Connector Part Information

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

Fuel Pump and Sender Assembly

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/BN

632

Low Reference

Heated Oxygen Sensor 2 (HO2S) (MR-140)


Object Number: 1466980  Size: CH

Connector Part Information

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

Heated Oxygen Sensor 2 (HO2S) (MR-140)

Pin

Wire Color

Circuit No.

Function

1

BN/WH

1671

Heated Oxygen Sensor (HO2S) 2 Low Reference

2

D-GN/BK

1670

Heated Oxygen Sensor (HO2S) 2 Signal

3

L-GN

413

Low Reference

4

PK

1039

Ignition 1 Voltage

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

  • OEM: 12040754
  • Service: N/A
  • Description: 4-Way F Metri-Pack 150 (BK)

Idle Air Control (IAC) Valve

Pin

Wire Color

Circuit No.

Function

A

WH

444

Idle Air Control (IAC) B Low Control

B

PU/WH

1749

Idle Air Control (IAC) B High Control

C

YE/WH

1748

Idle Air Control (IAC) A Low Control

D

BN

1747

Idle Air Control (IAC) A High Control

Ignition Coil Module (ITMS-6F)


Object Number: 1468526  Size: CH

Connector Part Information

  • OEM: 12162859
  • Service: N/A
  • Description: 4-Way F Metri-Pack 150.2 Series, Sealed (BG)

Ignition Coil Module (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

A

L-BU

406

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

B

D-GN/WH

423

Ignition Coil (IC) Timing Control (1 and 4)

C

BK

250

Ground

D

PK

1039

Ignition 1 Voltage

Ignition Coil Module (MR-140)


Object Number: 62453  Size: CH

Connector Part Information

  • OEM: 12059596
  • Service: N/A
  • Description: 3-Way F Metri-Pack 150 Series, Sealed (BK)

Ignition Coil Module (MR-140)

Pin

Wire Color

Circuit No.

Function

A

WH/RD

406

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

B

PK

1039

Ignition 1 Voltage

C

RD/D-GN

423

Ignition Coil (IC) Timing Control (1 and 4)

Intake Air Temperature (IAT) Sensor (ITMS-6F)


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 (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

GY

472

Intake Air Temperature (IAT) Sensor Signal

2

L-BU

469

Low Reference

Intake Air Temperature (IAT) Sensor (MR-140)


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 (MR-140)

Pin

Wire Color

Circuit No.

Function

1

D-GN

808

Low Reference

2

GY

472

Intake Air Temperature (IAT) Sensor Signal

Knock Sensor (KS) (ITMS-6F)


Object Number: 1466993  Size: CH

Connector Part Information

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

Knock Sensor (KS) (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

L-BU

496

Knock Sensor (KS) Signal

2

L-BU

469

Low Reference

3

BK/WH

51

Ground

Knock Sensor (KS) (MR-140)


Object Number: 1466993  Size: CH

Connector Part Information

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

Knock Sensor (KS) (MR-140)

Pin

Wire Color

Circuit No.

Function

1

YE/BK

496

Knock Sensor (KS) Signal

2

D-BU/WH

808

Low Reference

3

D-GN

808

Low Reference

Manifold Absolute Pressure (MAP) Sensor (ITMS-6F)


Object Number: 1466984  Size: CH

Connector Part Information

  • OEM: 174359-2
  • Service: N/A
  • Description: 3-Way M 070 Series Econoseal Mark-2 Series (BK)

Manifold Absolute Pressure (MAP) Sensor (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

L-BU

469

Low Reference

2

L-BU/OG

432

Manifold Absolute Pressure (MAP) Signal

3

BN/BK

1688

5 Volt Reference

Manifold Absolute Pressure (MAP) Sensor (MR-140)


Object Number: 1466984  Size: CH

Connector Part Information

  • OEM: 174359-2
  • Service: N/A
  • Description: 3-Way M 070 Series Econoseal Mark-2 Series (BK)

Manifold Absolute Pressure (MAP) Sensor (MR-140)

Pin

Wire Color

Circuit No.

Function

1

L-BU

469

Low Reference

2

D-BU/WH

432

Manifold Absolute Pressure (MAP) Signal

3

BN/BK

1688

5 Volt Reference

Octane Selection Switch (ITMS-6F)


Object Number: 1467062  Size: CH

Connector Part Information

  • OEM: MG620395
  • Service: N/A
  • Description: 3-Way M SDL Series (WH)

Octane Selection Switch (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

1

L-BU

722

Octane Switch Signal

2

D-BU/WH

469

Low Reference

3

PU

723

Octane Switch Signal

Oxygen Sensor - Non-Heated


Object Number: 309480  Size: CH

Connector Part Information

  • OEM: 12010501
  • Service: N/A
  • Description: 2-Way F Weather Pack Tower Series, Sealed (BK)

Oxygen Sensor - Non-Heated

Pin

Wire Color

Circuit No.

Function

A

D-GN/YE

1653

Oxygen Low Reference

B

D-GN/RD

1665

Oxygen Sensor (O2) Signal

Rough Road Sensor (MR-140)


Object Number: 73223  Size: CH

Connector Part Information

  • OEM: 12162185
  • Service: N/A
  • Description: 3-Way F Metri-Pack 150.2 Series, Sealed, Pull To Seat (BK)

Rough Road Sensor (MR-140)

Pin

Wire Color

Circuit No.

Function

A

YE/BN

632

Low Reference

B

D-GN

602

Rough Road Sensor Signal

C

D-GN/WH

705

5 Volt Reference

Throttle Position (TP) Sensor (ITMS-6F)


Object Number: 258299  Size: CH

Connector Part Information

  • OEM: 12078090
  • Service: N/A
  • Description: 3-Way F Metri-Pack 150 Series (BK)

Throttle Position (TP) Sensor (ITMS-6F)

Pin

Wire Color

Circuit No.

Function

A

BN/BK

1688

5 Volt Reference

B

D-GN

808

Low Reference

C

L-GN/PK

417

Throttle Position (TP) Sensor Signal

Throttle Position (TP) Sensor (MR-140)


Object Number: 258299  Size: CH

Connector Part Information

  • OEM: 12078090
  • Service: N/A
  • Description: 3-Way F Metri-Pack 150 Series (BK)

Throttle Position (TP) Sensor (MR-140)

Pin

Wire Color

Circuit No.

Function

A

D-GN/WH

416

5 Volt Reference

B

D-GN

808

Low Reference

C

L-GN/PK

417

Throttle Position (TP) Sensor Signal