GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Century 🢒 Body and Accessories 🢒 Cruise Control 🢒 Engine Controls Connector End Views
Table 1: Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)
Table 2: Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)
Table 3: Camshaft Position (CMP) Sensor (VIN M)
Table 4: Crankshaft Position (CKP) Sensor (7X), (VIN M)
Table 5: Crankshaft Position (CKP) Sensor (VIN 1, K)
Table 6: Engine Coolant Temperature (ECT) Sensor (VIN M)
Table 7: Evaporative Emission Canister Purge Solenoid Valve (VIN M)
Table 8: EVAP Canister Vent Solenoid Valve
Table 9: Exhaust Gas Recirculation (EGR) Valve (VIN 1, K)
Table 10: Fuel Injectors (VIN 1, K)
Table 11: Fuel Tank Pressure Sonsor, C2 (VIN 1, K)
Table 12: Fuel Tank, C1
Table 13: Heated Oxygen Sensor 1 (HO2S 1) (VIN M)
Table 14: Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)
Table 15: Idle Air Control (IAC) Valve (VIN 1, K)
Table 16: Ignition Control Module (ICM), C1 (VIN M)
Table 17: Ignition Control Module (ICM), C2 (VIN M)
Table 18: Ignition Control Module (ICM), C3 (VIN M)
Table 19: Intial Air Temperature Sensor
Table 20: Camshaft Position (CMP) Sensor (VIN M)
Table 21: Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)
Table 22: Thottle Position (TP) Sensor (VIN M)
Table 23: Transaxle Range Switch, C1 (VIN 1, K)
Table 24: Transaxle Range Switch, C2 (VIN 1, K)
Table 25: Vehicle Speed Sensor (VSS), (VIN M)

Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)


Object Number: 280761 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Heated Oxygen Sensor 1 (HO2S 1) Low

B

PPL

412

Heated Oxygen Sensor 1 (HO2S 1) Signal

C

BLK

1050

Ground

D

BRN

839

Fused Output-IGN 1

Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)


Object Number: 280761 Size: CH

Connector Part Information
    • 12160485
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Heated Oxygen Sensor (HO2S 2) Low (Rear of Converter)

B

PPL/WHT

1668

Heated Oxygen Sensor 2 (HO2S 2) Signal (Rear of Converter)

C

BLK

1050

Ground

D

PNK

839

Fused Output-IGN 1

Camshaft Position (CMP) Sensor (VIN M)


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metric-Pack 150.2 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

812

Reference Voltage Feed-12 Volts

B

BLK

633

Camshaft Position Sensor Siganl

C

BLK

407

Sensor Return

Crankshaft Position (CKP) Sensor (7X), (VIN M)


Object Number: 232831 Size: CH

Connector Part Information
    • 121162194
    • 2-Way F Metric-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position Sensor Signal

B

PPL

574

Crankshaft Position Sensor Return

Crankshaft Position (CKP) Sensor (VIN 1, K)


Object Number: 280765 Size: CH

Connector Part Information
    • 12162834
    • 4-Way F Metric-Pack 150.2 Series Pull to Seat(GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1800

Crankshaft Position (CKP) Sync Signal

B

YEL

573

Crankshaft Position (CKP) 7X Reference Signal-High

C

BLK/WHT

836

Camshaft Position (CMP) Sensor Ground

D

WHT/BLK

644

Canshaft Position (CMP) Sensor Battery Positive Voltage

Engine Coolant Temperature (ECT) Sensor (VIN M)


Object Number: 258299 Size: CH

Connector Part Information
    • 12078090
    • 3-Way F Metric-Pack 150 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Temperature Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

C

DK GRN

135

Coolant Temperature Sensor Signal

Evaporative Emission Canister Purge Solenoid Valve (VIN M)


Object Number: 35437 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fused Output-IGN 1

B

DK GRN/WHT

428

EVAP Canister Purge Valve Solenoid Output

EVAP Canister Vent Solenoid Valve


Object Number: 35437 Size: CH

Connector Part Information
    • 12052643
    • 2-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fused Output-IGN 1

B

WHT

1310

Canister Vent Valve Solenoid Output

Exhaust Gas Recirculation (EGR) Valve (VIN 1, K)


Object Number: 68773 Size: CH

Connector Part Information
    • 12186056
    • 5-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

Exhaust Gas Recirculation (EGR) Solenoid

B

BLK

2753

EGR Pintle Position Sensor Ground

C

BRN

1456

Exhaust Gas Recirculation (EGR) Pintle Position Siganl

D

GRY

2702

5 Volt Reference

E

WHT

257

EGR Vent Solenoid Output

Fuel Injectors (VIN 1, K)


Object Number: 258295 Size: CH

Connector Part Information
    • 12129140
    • 2-Way F Metric-Pack 280.1 Series Sealed Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Output-IGN 1

B

BLK

1744

Fuel Injector 1 Output

B

LT GRN/BLK

1745

Fuel Injector 2 Output

B

PNK/BLK

1746

Fuel Injector 3 Output

B

LT BLU/BLK

844

Fuel Injector 4 Output

B

BLK/WHT

845

Fuel Injector 5 Output

B

YEL/BLK

846

Fuel Injector 6 Output

Fuel Tank Pressure Sonsor, C2 (VIN 1, K)


Object Number: 62453 Size: CH

Connector Part Information
    • 12052644
    • 3-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Fuel Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Signal

C

GRY/BLK

416

5 Volt Sensor Feed

Fuel Tank, C1


Object Number: 258300 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PPL

30

Fuel Gauge Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

650

Ground

D

BLK/WHT

651

PCM Sensor Ground

Heated Oxygen Sensor 1 (HO2S 1) (VIN M)


Object Number: 280761 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Heated Oxygen Sensor, Sensor 1 (HO2S 1) Low

B

PPL

412

Heated Oxygen Sensor, Sensor 1 (HO2S 1) Signal

C

BLK

1050

Ground

D

PNK

839

Fused Output-IGN 1

Heated Oxygen Sensor (HO2S 2) Sensor #2 (VIN 1, K)


Object Number: 280761 Size: CH

Connector Part Information
    • 12160485
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Heated Oxygen Sensor (HO2S 2) Low (Rear of Converter)

B

PPL/WHT

1668

Heated Oxygen Sensor 2 (HO2S 2) Signal (Rear of Converter)

C

BLK

1050

Ground

D

PNK

839

Fused Output-IGN 1

Idle Air Control (IAC) Valve (VIN 1, K)


Object Number: 38608 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

IAC Coil B Low

B

LT GRN/WHT

1749

IAC Coil B High

C

LT BLU/BLK

17n48

IAC Coil A Low

D

LT BLU/WHT

1747

IAC Coil A High

Ignition Control Module (ICM), C1 (VIN M)


Object Number: 40442 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

424

Bypass Control

B

TAN/BLK

424

Ignition Control

C-D

--

--

Not Used

E

PPL/WHT

430

3 X Reference Signal

F

RED/BLK

453

Reference Low

Ignition Control Module (ICM), C2 (VIN M)


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • 2-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

51

Ground

B

PNK

239

Fuse Ignition 1 Feed

Ignition Control Module (ICM), C3 (VIN M)


Object Number: 73223 Size: CH

Connector Part Information
    • 12162184
    • 3-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position (CKP) Sensor Signal

B

--

--

Not Used

C

PPL

574

Crankshaft Position (CKP) Sensor Return

Intial Air Temperature Sensor


Object Number: 232831 Size: CH

Connector Part Information
    • 12162199
    • 2-Way F Metric-Pack 150.2 Series, Pull TO Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Fused Output-Battery Feed

B

TAN

472

Manifold Absolute Temperature Sensor Signal

Camshaft Position (CMP) Sensor (VIN M)


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metric-Pack 150.2 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/WHT

812

Reference Voltage Feed-12 Volts

B

BLK

633

Camshaft Position Sensor Siganl

C

BLK

407

Sensor Return

Heated Oxygen Sensor 1(HO2S1), (VIN 1, K)


Object Number: 280761 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Heated Oxygen Sensor 1 (HO2S 1) Low

B

PPL

412

Heated Oxygen Sensor 1 (HO2S 1) Signal

C

BLK

1050

Ground

D

BRN

839

Fused Output-IGN 1

Thottle Position (TP) Sensor (VIN M)


Object Number: 68730 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

GRY

2701

Reference Votlage Feed-12 Volts

B

BLK

2752

Sensor Return

C

DK BLU

417

Thottle Positon Sensor Signal

Transaxle Range Switch, C1 (VIN 1, K)


Object Number: 68780 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

434

P/N Input

B-C

--

--

Not Used

D

BLK

1050

Ground

E

PPL

6

Crank Relay Output-Coil

F

--

--

Not Used

G

YEL

1737

Crank Relay Output

Transaxle Range Switch, C2 (VIN 1, K)


Object Number: 40412 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Transaxle Range Switch Signal -Parity BIT

B

YEL

772

Transaxle Range Switch Signal -2 BIT

C

GRY

773

Transaxle Range Switch Signal -3 BIT

E

BLK/WHT

771

Transaxle Range Switch Signal -1 BIT

Vehicle Speed Sensor (VSS), (VIN M)


Object Number: 35437 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Sensor Signal

B

BLK/WHT

451

PCM Ground