GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Engine Controls Connector End Views
Table 1: Bank 1 Knock Sensor (KS)
Table 2: Crankshaft Position Sensor (7X)
Table 3: Crankshaft Position Sensor (24X)
Table 4: Engine Oil Level Sensor
Table 5: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Table 6: Evaporative Emission (EVAP) Canister Vent Solenoid Valve
Table 7: Exhaust Gas Recirculation (EGR) Valve
Table 8: Fuel Tank, C1
Table 9: Heated Oxygen Sensor 1 (HO2S 1)
Table 10: Heated Oxygen Sensor 2 (HO2S 2)
Table 11: Idle Air Control (IAC) Valve
Table 12: Ignition Control Module (ICM), C1
Table 13: Ignition Control Module (ICM), C2
Table 14: Intial Air Temperature (IAT) Sensor
Table 15: Mass Air Flow (MAF)
Table 16: Park/Neutral Position (PNP) Switch, C1
Table 17: Park/Neutral Position (PNP) Switch, C2
Table 18: Secondary Air Injection Reaction (A.I.R.) Bypass Valve
Table 19: Throttle Position (TP) Sensor
Table 20: Vehicle Speed Sensor (VSS)

Bank 1 Knock Sensor (KS)


Object Number: 95764 Size: CH

Connector Part Information
    • 12176800
    • 1-Way F Metric-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal 1

Crankshaft Position Sensor (7X)


Object Number: 237066 Size: CH

Connector Part Information
    • 12192194
    • Metric-Pack 150.2 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position Sensor Signal

B

PPL

574

Crankshaft Position Sensor Return

Crankshaft Position Sensor (24X)


Object Number: 491634 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1867

Crankshaft Position Sensor Feed-12 Volt Reference

B

LT BLU/BLK

647

Crankshaft Position Signal

C

YEL/BLK

1868

Crankshaft Position Sensor Return

Engine Oil Level Sensor


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Sensor Signal

B

BLK/WHT

451

Ground-Clean

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


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

Evaporative Emission (EVAP) Canister Vent Solenoid Valve


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

WHT

1310

Canister Vent Valve Solenoid Output

Exhaust Gas Recirculation (EGR) Valve


Object Number: 594477 Size: CH

Connector Part Information
    • 153263859
    • 5-Way F GT 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

Exhaust Gas Recirculation Solenoid Output

B

BLK

2753

Sensor Return-EGR 1

C

BRN

1456

Exhaust Gas Recirculation Solenoid Position Signal

D

GRY

2702

Reference Voltage Feed-5 Volts-EGR 1

E

WHT

257

Exhaust Gas Recirculation Vent Solenoid Output

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)


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 2 (HO2S 2)


Object Number: 280761 Size: CH

Connector Part Information
    • 12160825
    • 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


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

1748

IAC Coil A Low

D

LT BLU/WHT

1747

IAC Coil A High

Ignition Control Module (ICM), C1


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


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

Intial Air Temperature (IAT) 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

Mass Air Flow (MAF)


Object Number: 516611 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

YEL

492

Mass Air Flow Sensor Signal

B

BLK/WHT

451

Ground-Clean

C

PNK

339

Fuse Output-Ignition 1

Park/Neutral Position (PNP) Switch, C1


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

ORN

840

Fused Output-Battery

C

--

--

Not Used

D

BLK

1050

Ground

E

PPL

6

Crank Relay Output-Coil

F

LT GRN

24

Backup Lamp Feed

G

YEL

1737

Crank Relay Output

Park/Neutral Position (PNP) Switch, C2


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

D

BLK/WHT

771

Transaxle Range Switch Signal -1 BIT

Secondary Air Injection Reaction (A.I.R.) Bypass Valve


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

PNK

339

Fuse Output-Ignition 1

B

PNK/BLK

429

Air Injection Reaction Solenoid Output

Throttle Position (TP) Sensor


Object Number: 68730 Size: CH

Connector Part Information
    • 12110292
    • 3-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

2701

Reference Voltage Feed-12 Volts

B

BLK

2752

Sensor Return

C

DK BLU

417

Throttle Position Sensor Signal

Vehicle Speed Sensor (VSS)


Object Number: 35437 Size: CH

Connector Part Information
    • 15336004
    • 2-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

400

Vehicle Speed Sensor Signal

B

PPL

401

Vehicle Speed Sensor Return