GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Malibu 🢒 Engine 🢒 Engine Controls - 3.1L (LG8) 🢒 Engine Controls Connector End Views
Table 1: Camshaft Position (CMP) Sensor
Table 2: 7x Crankshaft Position (CKP) Sensor
Table 3: AIR Pump
Table 4: AIR Solenoid Valve
Table 5: 24x Crankshaft Position (CKP) Sensor
Table 6: Engine Coolant Temperature (ECT) Sensor
Table 7: Engine Oil Pressure Sensor
Table 8: Engine Oil Level Switch
Table 9: Evaporative Emission (EVAP) Canister Purge Valve
Table 10: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 11: Exhaust Gas Recirculation (EGR) Valve
Table 12: Ignition Control Module C1
Table 13: Ignition Control Module C2
Table 14: Ignition Control Module C3
Table 15: Fuel Injectors
Table 16: Fuel Tank Pressure Sensor
Table 17: Fuel Tank Module
Table 18: Pre Converter Heated Oxygen Sensor (HO2S 1)
Table 19: Post Converter Heated Oxygen Sensor (HO2S 2)
Table 20: Idle Air Control (IAC) Valve
Table 21: Intake Air Temperature (IAT) Sensor
Table 22: Knock Sensor
Table 23: Manifold Absolute Pressure (MAP) Sensor
Table 24: Mass Air Flow (MAF) Sensor
Table 25: Throttle Position (TP) Sensor
Table 26: Park/Neutral Position Switch C1
Table 27: Park/Neutral Position Switch C2
Table 28: Vehicle Speed Sensor (VSS)

Camshaft Position (CMP) Sensor


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

631

Camshaft Position (CMP) Feed (12 Volt Reference)

B

BRN/WHT

633

Camshaft Position Sensor Signal

C

PNK/BLK

632

Camshaft Sensor Position-Low

7x Crankshaft Position (CKP) Sensor


Object Number: 232831 Size: CH

Connector Part Information
    • 12162195
    •  2-Way F Metri-Pack 150.2 Series Sealed Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

B

PPL

574

Crankshaft Position Sensor Signal

A

YEL

573

Crankshaft Position Sensor Return

AIR Pump


Object Number: 365990 Size: CH

Connector Part Information
    • 12191968
    •  2-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

78

AIR Injection Reaction Pump Motor Feed

B

BLK

1350

Ground

AIR Solenoid Valve


Object Number: 333041 Size: CH

Connector Part Information
    • 12052641
    •  2-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

1039

Fuse Output Ignition 1

B

PNK/BLK

429

AIR Injection Reaction Solenoid Output

24x Crankshaft Position (CKP) Sensor


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    •  3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1867

12 Volt Reference Feed

B

LT BLU/BLK

647

Crankshaft Position Sensor Signal

C

YEL/BLK

1868

Crankshaft Position-Low

Engine Coolant Temperature (ECT) Sensor


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    •  2-Way F Metri-Pack 150.2 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

452

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

Engine Oil Pressure Sensor


Object Number: 236480 Size: CH

Connector Part Information
    • 12065299
    • 1-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

231

Engine Oil Pressure Switch Signal

Engine Oil Level Switch


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

BRN

1174

Oil Level Sensor Signal

Evaporative Emission (EVAP) Canister Purge Valve


Object Number: 35437 Size: CH

Connector Part Information
    • 12052643
    • 2-Way F Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Fuse Output-Ignition 3

B

DK GRN/WHT

428

EVAP Canister Purge Solenoid Output

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 334626 Size: CH

Connector Part Information
    • 12059863
    • 2-Way F Metri-Pack 150 Series Sealed (BRN)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Ignition Feed

B

WHT

1310

EVAP Canister Vent Solenoid Output

Exhaust Gas Recirculation (EGR) Valve


Object Number: 287962 Size: CH

Connector Part Information
    • 12162826
    •  5-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

435

Exhaust Gas Recirculation (EGR) Valve Solenoid-LOW

B

BLK

2753

Exhaust Gas Recirculation (EGR) Sensor Return

C

BRN/WHT

1456

Exhaust Gas Recirculation (EGR) Pintle Position

D

BRN/WHT

2702

Exhaust Gas Recirculation (EGR) 5V Reference

E

RED

1676

Exhaust Gas Recirculation (EGR) Valve Solenoid-HIGH

Ignition Control Module C1


Object Number: 40442 Size: CH

Connector Part Information
    • 12162261
    • 6-Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

424

Electronic Spark Timing Bypass Signal

B

WHT

423

Electronic Spark Timing Control Signal

C-D

--

--

Not Used

E

PPL/WHT

430

Electronic Spark Timing High Reference Signal

F

RED/BLK

453

Electronic Spark Timing Low Reference Signal

Ignition Control Module C2


Object Number: 73223 Size: CH

Connector Part Information
    • 12162186
    • 3-Way F Metri-pack 150.1 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position Sensor Return

B

--

--

Not Used

C

PPL

574

Crankshaft Position Sensor Signal

Ignition Control Module C3


Object Number: 232831 Size: CH

Connector Part Information
    • 12162195
    • 2-Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

450

Ground

B

PNK

239

Ignition Feed

Fuel Injectors


Object Number: 258295 Size: CH

Connector Part Information
    • 12129140
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Injector 1

A

PNK

639

Fuel Injector Feed

B

BLK

1744

Fuel Injector #1Output

Injector 2

A

PNK

639

Fuel Injector Feed

B

LT GRN/BLK

1745

Fuel Injector #2 Output

Injector 3

A

PNK

639

Fuel Injector Feed

B

PNK/BLK

1746

Fuel Injector #3Output

Injector 4

A

PNK

639

Fuel Injector Feed

B

LT BLU/BLK

844

Fuel Injector #4Output

Injector 5

A

PNK

639

Fuel Injector Feed

B

BLK/WHT

845

Fuel Injector #5Output

Injector 6

A

PNK

639

Fuel Injector Feed

B

YEL/BLK

846

Fuel Injector #6Output

Fuel Tank Pressure Sensor


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    •  3-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

MAP Sensor Return

B

DK GRN

890

Fuel Tank Pressure Signal

C

GRY

416

5V Sensor Reference

Fuel Tank Module


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 4-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Guage Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK/WHT

2759

Fuel Guage Sensor Ground

Pre Converter Heated Oxygen Sensor (HO2S 1)


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 4-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Oxygen Sensor Return

B

PPL

412

Oxygen Sensor Signal

C

BLK

150

Ground

D

BRN

241

Ignition Feed

Post Converter Heated Oxygen Sensor (HO2S 2)


Object Number: 280761 Size: CH

Connector Part Information
    • 12160825
    • 4-Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Oxygen Sensor Return

B

PPL/WHT

1668

Oxygen Sensor Signal

C

BLK

150

Ground

D

BRN

241

Ignition Feed

Idle Air Control (IAC) Valve


Object Number: 38608 Size: CH

Connector Part Information
    • 12162190
    • 4-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

Idle Air Control (IAC) Valve Motor Feed- Low

B

LT GRN/WHT

1749

Idle Air Control (IAC) Valve Motor Feed- High

C

LT BLU/BLK

1748

Idle Air Control (IAC) Valve Motor Feed- Low

D

LT BLU/WHT

1747

Idle Air Control (IAC) Valve Motor Feed - High

Intake Air Temperature (IAT) Sensor


Object Number: 68719 Size: CH

Connector Part Information
    • 12162199
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Sensor Return

B

TAN

472

Intake Air Temperature (IAT) Sensor Signal

Knock Sensor


Object Number: 95764 Size: CH

Connector Part Information
    • 12176800
    • 1-Way F Metri-Pack 150 Series Sealed (GRAY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal 1

Manifold Absolute Pressure (MAP) Sensor


Object Number: 95766 Size: CH

Connector Part Information
    • 12020403
    • 3-Way M WeatherPack Sealed (DK GRN)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Pressure (MAP) Sensor Return

B

LT GRN

432

Manifold Absolute Pressure (MAP) Sensor Signal

C

GRY

416

Manifold Absolute Pressure (MAP) Sensor 5V Reference

Mass Air Flow (MAF) Sensor


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3-Way M Metri-Pack 150 Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

Mass Air Flow (MAF) Sensor Signal

B

BLK/WHT

451

Engine Control Module Ground

C

PNK

639

Ignition Feed

Throttle Position (TP) Sensor


Object Number: 62485 Size: CH

Connector Part Information
    • 12110192
    • 3-Way F Metri-Pack 150 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2701

Throttle Position (TP) Sensor 5V Reference

B

BLK

2752

Throttle Position Sensor Return

C

DK BLU

417

Throttle Position Sensor Signal

Park/Neutral Position Switch C1


Object Number: 68780 Size: CH

Connector Part Information
    • 12129840
    • 7-Way F Metri-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

1737

Transaxle Mounted Neutral Safety Switch Output

B

PNK

539

Fused Battery Feed

C

LT GRN

275

Transaxle Mounted Neutral Safety Switch Output

D

BLK/WHT

451

Engine Control Module Ground

E

PPL

6

Starter Solenoid Feed

F

LT GRN

24

Backup Lamp Feed

G

YEL

5

Ignition Switch Output-Crank

Park/Neutral Position Switch C2


Object Number: 40412 Size: CH

Connector Part Information
    • 12191757
    • 4-Way F Metri-Pack 150 Series Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Signal Parity Bit

B

YEL

772

Switch Signal Bit 2

C

GRY

773

Switch Signal Bit 3

D

BLK/WHT

771

Switch Signal Bit 1

Vehicle Speed Sensor (VSS)


Object Number: 62471 Size: CH

Connector Part Information
    • 12162195
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Vehicle Speed Sensor (VSS) Signal Return

B

YEL

400

Vehicle Speed Sensor (VSS) Signal