Engine Controls Connector End Views. Cadillac STS 2005

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2005 🢒 STS 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 Engine Controls Connector End Views

Table 1:	Accelerator Pedal Position (APP) Sensor
Table 2:	Barometric Pressure (BARO) Sensor
Table 3:	Camshaft Position (CMP) Actuator Solenoid-Exhaust Bank 1
Table 4:	Camshaft Position (CMP) Actuator Solenoid-Exhaust Bank 2
Table 5:	Camshaft Position (CMP) Actuator Solenoid-Intake Bank 1
Table 6:	Camshaft Position (CMP) Actuator Solenoid-Intake Bank 2
Table 7:	Camshaft Position (CMP) Sensor-Exhaust Bank 1
Table 8:	Camshaft Position (CMP) Sensor-Exhaust Bank 2
Table 9:	Camshaft Position (CMP) Sensor-Intake Bank 1
Table 10:	Camshaft Position (CMP) Sensor-Intake Bank 2
Table 11:	Crankshaft Position (CKP) Sensor
Table 12:	Engine Coolant Temperature (ECT) Sensor
Table 13:	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Table 14:	Evaporative Emission (EVAP) Canister Vent Solenoid
Table 15:	Fuel Injector 1
Table 16:	Fuel Injector 2
Table 17:	Fuel Injector 3
Table 18:	Fuel Injector 4
Table 19:	Fuel Injector 5
Table 20:	Fuel Injector 6
Table 21:	Fuel Pump and Sender Assembly
Table 22:	Fuel Tank Pressure (FTP) Sensor
Table 23:	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 24:	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Table 25:	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 26:	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 27:	Ignition Coil 1
Table 28:	Ignition Coil 2
Table 29:	Ignition Coil 3
Table 30:	Ignition Coil 4
Table 31:	Ignition Coil 5
Table 32:	Ignition Coil 6
Table 33:	Intake Manifold Runner Control (IMRC) Solenoid
Table 34:	Knock Sensor (KS) Bank 1
Table 35:	Knock Sensor (KS) Bank 2
Table 36:	MAF/IAT Sensor
Table 37:	Secondary Fuel Sender Assembly
Table 38:	Throttle Body Assembly

Accelerator Pedal Position (APP) Sensor

Connector Part Information

•	OEM: 15326829

•	Service: 88953153

•	6-Way F 150 Series Sealed (BK)

Wire Color

Circuit No.

Function

1272

Accelerator Pedal Position Low Reference (2)

L-BU

1162

Accelerator Pedal Position Signal (2)

1274

Accelerator Pedal Position 5-Volt Reference (2)

1271

Accelerator Pedal Position Low Reference (1)

D-BU

1161

Accelerator Pedal Position Signal (1)

WH/BK

1164

Accelerator Pedal Position 5-Volt Reference (1)

Barometric Pressure (BARO) Sensor

Connector Part Information

•	OEM: 1928403966

•	3-Way F (BK)

Wire Color

Circuit No.

Function

605

5-Volt Reference

470

Low Reference

OG/BK

5266

Ambient Air Pressure Sensor Signal

Camshaft Position (CMP) Actuator Solenoid-Exhaust Bank 1

Connector Part Information

•	OEM: 7283-7526-30

•	2-Way F (BK)

Wire Color

Circuit No.

Function

PK/BK

5293

Engine Main Relay Fused Control (4)

L-GN

5282

Camshaft Phaser Exhaust Solenoid (1)

Camshaft Position (CMP) Actuator Solenoid-Exhaust Bank 2

Connector Part Information

•	OEM: 7283-7526-30

•	2-Way F (BK)

Wire Color

Circuit No.

Function

PK/BK

5293

Engine Main Relay Fused Control (4)

WH/BK

5283

Camshaft Phaser Exhaust Solenoid (2)

Camshaft Position (CMP) Actuator Solenoid-Intake Bank 1

Connector Part Information

•	OEM: 7283-7526-30

•	2-Way F (BK)

Wire Color

Circuit No.

Function

PK/BK

5293

Engine Main Relay Fused Control (4)

5284

Camshaft Phaser Intake Solenoid (1)

Camshaft Position (CMP) Actuator Solenoid-Intake Bank 2

Connector Part Information

•	OEM: 7283-7526-30

•	2-Way F (BK)

Wire Color

Circuit No.

Function

PK/BK

5293

Engine Main Relay Fused Control (4)

OG/BK

5272

Camshaft Phaser Intake Solenoid (2)

Camshaft Position (CMP) Sensor-Exhaust Bank 1

Connector Part Information

•	OEM: 1928403966

•	3-Way F (BK)

Wire Color

Circuit No.

Function

470

Sensor Return

D-GN

5273

Camshaft Position Exhaust Sensor (1)

705

Reference Voltage Feed 5-Volt Reference

Camshaft Position (CMP) Sensor-Exhaust Bank 2

Connector Part Information

•	OEM: 1928403966

•	3-Way F (BK)

Wire Color

Circuit No.

Function

470

Sensor Return

5274

Camshaft Position Exhaust Sensor (2)

705

Reference Voltage 5-Volt Reference

Camshaft Position (CMP) Sensor-Intake Bank 1

Connector Part Information

•	OEM: 1928403966

•	3-Way F (BK)

Wire Color

Circuit No.

Function

470

Sensor Return

5275

Camshaft Position Intake Sensor (1)

705

Reference Voltage Feed 5-Volt Reference

Camshaft Position (CMP) Sensor-Intake Bank 2

Connector Part Information

•	OEM: 1928403966

•	3-Way F (BK)

Wire Color

Circuit No.

Function

470

Sensor Return

5276

Camshaft Position Intake Sensor (2)

705

Reference Voltage Feed 5-Volt Reference

Crankshaft Position (CKP) Sensor

Connector Part Information

•	OEM: 1928403874 (Bosch)

•	2-Way F (BK)

Wire Color

Circuit No.

Function

PU/WH

5024

Engine Speed Sensor Low

WH/BK

5039

Engine Speed Sensor High

Engine Coolant Temperature (ECT) Sensor

Connector Part Information

•	OEM: 1928403874

•	2-Way F (BK)

Wire Color

Circuit No.

Function

410

Coolant Temperature Sensor Signal

470

Sensor Return

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Connector Part Information

•	OEM: 1928404072

•	2-Way F (BK)

Wire Color

Circuit No.

Function

PK/BK

5293

Engine Main Relay Fused Control (4)

L-GN/WH

428

Canister Purge Solenoid Output

Evaporative Emission (EVAP) Canister Vent Solenoid

Connector Part Information

•	OEM: 12052643

•	Service: 12101858

•	2-Way F Metri-Pack 150 Series Sealed (RD)

Wire Color

Circuit No.

Function

1540

Fuse Output - Battery - Type III Fuse

1310

Canister Vent Valve Solenoid Output

Fuel Injector 1

Connector Part Information

•	OEM: 15305086

•	Service: 15306318

•	2-Way F Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

PK/BK

5291

Engine Main Relay Fused Control (2)

1744

Fuel Injector 1 Output

Fuel Injector 2

Connector Part Information

•	OEM: 15305086

•	Service: 15306318

•	2-Way F Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

PK/BK

5292

Engine Main Relay Fused Control (3)

L-GN/BK

1745

Fuel Injector 2 Output

Fuel Injector 3

Connector Part Information

•	OEM: 15305086

•	Service: 15306318

•	2-Way F Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

PK/BK

5291

Engine Main Relay Fused Control (2)

1746

Fuel Injector 3 Output

Fuel Injector 4

Connector Part Information

•	OEM: 15305086

•	Service: 15306318

•	2-Way F Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

PK/BK

5292

Engine Main Relay Fused Control (3)

L-BU/BK

844

Fuel Injector 4 Output

Fuel Injector 5

Connector Part Information

•	OEM: 15305086

•	Service: 15306318

•	2-Way F Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

PK/BK

5291

Engine Main Relay Fused Control (2)

TN/WH

845

Fuel Injector 5 Output

Fuel Injector 6

Connector Part Information

•	OEM: 15305086

•	Service: 15306318

•	2-Way F Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

PK/BK

5292

Engine Main Relay Fused Control (3)

YE/BK

846

Fuel Injector 6 Output

Fuel Pump and Sender Assembly

Connector Part Information

•	OEM: 12160482

•	Service: 12167154

•	4-Way F (BK)

Wire Color

Circuit No.

Function

D-BU

1936

Primary Fuel Level Sensor Signal

120

Fuel Pump Motor Feed

1050

Ground

2759

Fuel Tank Pressure Sensor Low Reference

Fuel Tank Pressure (FTP) Sensor

Connector Part Information

•	OEM: 12059595

•	Service: 88986451

•	3-Way F Metri-Pack 150 Series Sealed (BK)

Wire Color

Circuit No.

Function

2759

Sensor Return - Fuel Tank Press 1 Sensor

D-GN

890

Fuel Tank Pressure Sensor Signal

GY/BK

2709

Reference Voltage Feed 5-Volt Reference - Fuel Tank Press 1 Sensor

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

Connector Part Information

•	OEM: 1928-404-900 (Bosch)

•	6-Way F (BK)

Wire Color

Circuit No.

Function

L-GN

5278

Heated Oxygen Sensor Input Pump Current Bank 1 Sensor (LH2)

1664

HO2S Low Signal - Bank 1 Sensor 1

BK/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

PK/BK

5293

Engine Main Relay Fused Control (LY7)

5279

Output Pump Current

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

Connector Part Information

•	OEM: 12160825

•	4-Way M Metri-Pack 150 Series Sealed (BK)

Wire Color

Circuit No.

Function

TN/WH

1669

Oxygen Sensor Return - Left - Rear Of Catalytic Converter

PU/WH

1668

Oxygen Sensor Signal - Left - Rear Of Catalytic Converter

BK/WH

3122

Oxygen Sensor Heater Control Low - Front

PK/BK

5294

Engine Main Relay Fused Control (5)

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

Connector Part Information

•	OEM: 1928404900 (Bosch)

•	6-Way F (BK)

Wire Color

Circuit No.

Function

5280

Heated Oxygen Sensor Input Pump Current Bank 2 Sensor (LH2)

1667

HO2S Low Signal - Bank 2 Sensor 1

L-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

PK/BK

5293

Engine Main Relay Fused Control (LY7)

PU/WH

5281

HO2S Pump Current l - Bank 2 Sensor 1

1666

HO2S High Signal - Bank 2 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Connector Part Information

•	OEM: 12160825

•	4-Way M Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

1671

Oxygen Sensor Return - Right - Rear Of Catalytic Converter

1670

Oxygen Sensor Signal - Right - Rear Of Catalytic Converter

RD/WH

3223

Oxygen Sensor Signal - Bank 2 Sensor 2 Heater Control Low

PK/BK

5294

Engine Main Relay Fused Control (5)

Ignition Coil 1

Connector Part Information

•	OEM: 1928403441

•	4-Way F (BK)

Wire Color

Circuit No.

Function

2121

Electronic Spark Timing Signal Cylinder 1

PK/BK

5291

Engine Main Relay Fused Control (2)

BK/WH

1551

Ground - Clean

1550

Ground

Ignition Coil 2

Connector Part Information

•	OEM: 1928403441

•	4-Way F (BK)

Wire Color

Circuit No.

Function

OG/WH

2122

IC 2 Control

PK/BK

5292

Engine Main Relay Fused Control (3)

BK/WH

151

Ground - Clean

150

Ground

Ignition Coil 3

Connector Part Information

•	OEM: 1928403441

•	4-Way F (BK)

Wire Color

Circuit No.

Function

L-BU

2123

Electronic Spark Timing Signal Cylinder 3

PK/BK

5291

Engine Main Relay Fused Control (2)

BK/WH

1551

Ground - Clean

1550

Ground

Ignition Coil 4

Connector Part Information

•	OEM: 1928403441

•	4-Way F (BK)

Wire Color

Circuit No.

Function

D-GN/WH

2124

Electronic Spark Timing Signal Cylinder 4

PK/BK

5292

Engine Main Relay Fused Control (3)

BK/WH

151

Ground - Clean

150

Ground

Ignition Coil 5

Connector Part Information

•	OEM: 1928403441

•	4-Way F (BK)

Wire Color

Circuit No.

Function

D-GN

2125

Electronic Spark Timing Signal Cylinder 5

PK/BK

5291

Engine Main Relay Fused Control (2)

BK/WH

1551

Ground - Clean

1550

Ground

Ignition Coil 6

Connector Part Information

•	OEM: 1928403441

•	4-Way F (BK)

Wire Color

Circuit No.

Function

L-BU/WH

2126

Electronic Spark timing Signal Cylinder 6

PK/BK

5292

Engine Main Relay Fused Control (3)

BK/WH

151

Ground - Clean

150

Ground

Intake Manifold Runner Control (IMRC) Solenoid

Connector Part Information

•	OEM: 15326389

•	5-Way F Metri-Pack 150 Series (BK)

Wire Color

Circuit No.

Function

470

Sensor Low Reference

7017

Variable Intake Manifold Position Signal

L-BU/WH

5041

Intake Manifold Control

1450

Ground

PK/BK

5293

Engine Main Relay Fused Control (4)

Knock Sensor (KS) Bank 1

Connector Part Information

•	OEM: 1928403874

•	2-Way F (BK)

Wire Color

Circuit No.

Function

D-BU

496

Knock Sensor Signal 1

1716

Knock Sensor Return

Knock Sensor (KS) Bank 2

Connector Part Information

•	OEM: 1928403874

•	2-Way F (BK)

Wire Color

Circuit No.

Function

L-BU

1876

Knock Sensor Signal 2

407

Sensor Return

MAF/IAT Sensor

Connector Part Information

•	OEM: 1928403200

•	5-Way F (BK)

Wire Color

Circuit No.

Function

472

Manifold Absolute Temperature Sensor Signal

439

Run/Crank Ignition 1 Voltage

2760

Sensor Return - Induction Air Temperature

596

Reference Voltage Feed - 5-Volt Reference

492

Mass Air Flow Sensor Signal

Secondary Fuel Sender Assembly

Connector Part Information

•	OEM: 12160563

•	Service: 12167154

•	2-Way F Metri-Pack 150 Series Sealed (WH)

Wire Color

Circuit No.

Function

L-BU

1937

Secondary Fuel Level Sensor Signal

B-C

Not Used

2759

Fuel Tank Pressure Sensor Low Reference

Throttle Body Assembly

Connector Part Information

•	OEM: 1928404900

•	6-Way F Bosch (BK)

Wire Color

Circuit No.

Function

D-GN

485

TP Sensor 1 Signal

2701

5-Volt Reference

582

TAC Motor Control - 2

486

TP Sensor 2 Signal

581

TAC Motor Control - 1

2752

Low Reference