Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (ENGINE CONTROL SYSTEM - 3.6L (LY7) - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS CONNECTOR END VIEWS

2006 Buick Terraza CXL, 3.5 L, AWD

Engine Controls Connector End Views

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Engine Controls Connector End Views

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Accelerator Pedal Position (APP) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15326829 Service: 88953153 6-Way F GT 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	PU	1272	Low Reference
B	L-BU	1162	APP Sensor 2 Signal
C	TN	1274	5-Volt Reference
D	BN	1271	Low Reference
E	D-BU	1161	APP Sensor 1 Signal
F	WH/BK	1164	5-Volt Reference

Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 7283-7526-30 (Yazaki) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	PK/BK	5293	Ignition 1 Voltage
2	L-GN	5282	CMP Actuator Solenoid Control Exhaust Bank 1

Camshaft Position (CMP) Actuator Solenoid Intake Bank 1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 7283-7526-30 (Yazaki) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	PK/BK	5293	Ignition 1 Voltage
2	PU	5284	CMP Actuator Solenoid Control Intake Bank 1

Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 7283-7526-30 (Yazaki) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	PK/BK	5293	Ignition 1 Voltage
2	WH/BK	5283	CMP Actuator Solenoid Control Exhaust Bank 2

Camshaft Position (CMP) Actuator Solenoid Intake Bank 2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 7283-7526-30 (Yazaki) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	PK/BK	5293	Ignition 1 Voltage
2	OG/BK	5272	CMP Actuator Solenoid Control Intake Bank 2

Camshaft Position (CMP) Sensor Bank 1 Exhaust

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403966 (Bosch) Service: See Catalog 3-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	TN	470	Low Reference
2	D-GN	5273	CMP Sensor Signal Exhaust Bank 1
3	GY	705	5-Volt Reference

Camshaft Position (CMP) Sensor Bank 1 Intake

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403966 (Bosch) Service: See Catalog 3-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	TN	470	Low Reference
2	OG	5275	CMP Sensor Signal Intake Bank 1
3	GY	705	5-Volt Reference

Camshaft Position (CMP) Sensor Bank 2 Exhaust

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403966 (Bosch) Service: See Catalog 3-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	TN	470	Low Reference
2	PU	5274	CMP Sensor Signal Exhaust Bank 2
3	GY	705	5-Volt Reference

Camshaft Position (CMP) Sensor Bank 2 Intake

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403966 (Bosch) Service: See Catalog 3-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	TN	470	Low Reference
2	YE	5276	CMP Sensor Signal Intake Bank 2
3	GY	705	5-Volt Reference

Crankshaft Position (CKP) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403874 (Bosch) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	PU/WH	5024	Low Reference
2	WH/BK	5039	CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403874 (Bosch) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	YE	410	ECT Sensor Signal
2	TN	470	Low Reference

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928404072 (Bosch) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	PK/BK	5293	Ignition 1 Voltage
2	D-GN/WH	428	EVAP Canister Purge Solenoid Valve Control

Evaporative Emission (EVAP) Canister Vent Solenoid Valve

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12052643 Service: 12101858 2-Way F Metri-Pack 150 Series Sealed (RD)
Pin	Wire Color	Circuit No.	Function
A	OG	2840	Battery Positive Voltage
B	WH	1310	EVAP Canister Vent Solenoid Control

Fuel Injector 1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15305086 Service: 15306318 2-Way F Metri-Pack Tangless 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	5291	Ignition 1 Voltage
B	TN	1744	Fuel Injector 1 Control

Fuel Injector 2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15305086 Service: 15306318 2-Way F Metri-Pack Tangless 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	5292	Ignition 1 Voltage
B	L-GN/BK	1745	Fuel Injector 2 Control

Fuel Injector 3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15305086 Service: 15306318 2-Way F Metri-Pack Tangless 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	5291	Ignition 1 Voltage
B	PK/BK	1746	Fuel Injector 3 Control

Fuel Injector 4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15305086 Service: 15306318 2-Way F Metri-Pack Tangless 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	5292	Ignition 1 Voltage
B	L-BU/BK	844	Fuel Injector 4 Control

Fuel Injector 5

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15305086 Service: 15306318 2-Way F Metri-Pack Tangless 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	5291	Ignition 1 Voltage
B	TN/WH	845	Fuel Injector 5 Control

Fuel Injector 6

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15305086 Service: 15306318 2-Way F Metri-Pack Tangless 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	5292	Ignition 1 Voltage
B	YE/BK	846	Fuel Injector 6 Control

Fuel Pump and Sender Assembly

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15326631 Service: 15306360 4-Way F GT 280 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	1850	Ground
B	PU	30	Fuel Level Sensor Signal
C	BK/WH	651	Signal Ground
D	GY	120	Fuel Pump Supply Voltage

Fuel Tank Pressure Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12059595 Service: 88986451 3-Way F Metri-Pack 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	OG/BK	469	Low Reference
B	D-GN	890	Fuel Tank Pressure Sensor Signal
C	GY	416	5-Volt Reference

Heated Oxygen Sensor (HO2S) 1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 42122200 (FEP) Service: See Catalog 6-Way F Flat Contact Housing Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	PU/WH	1665	HO2S High Signal
2	WH	5279	HO2S Pump Current
3	PK/BK	5293	Ignition 1 Voltage
4	GY/WH	3113	HO2S Heater Low Control Sensor 1
5	TN	1664	HO2S Low Signal
6	L-GN	5278	HO2S Input Pump Current Sensor 1

Heated Oxygen Sensor (HO2S) 2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12092839 Service: 12092839 5-Way M Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	TN/WH	3121	HO2S Low Signal
B	PU	3120	HO2S High Signal
C	-	-	Not Available
D	BK/WH	3122	HO2S Heater Low Control Sensor 2
E	PK	339	Ignition 1 Voltage

Ignition Coil 1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403441 (Bosch) Service: See Catalog 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	PU	2121	Ignition Control 1
2	PK/BK	5291	Ignition 1 Voltage
3	BK/WH	1551	Ground
4	BK	1550	Ground

Ignition Coil 2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403441 (Bosch) Service: See Catalog 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	OG/WH	2122	Ignition Control 2
2	PK/BK	5292	Ignition 1 Voltage
3	BK/WH	151	Ground
4	BK	150	Ground

Ignition Coil 3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403441 (Bosch) Service: See Catalog 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	L-BU	2123	Ignition Control 3
2	PK/BK	5291	Ignition 1 Voltage
3	BK/WH	1551	Ground
4	BK	1550	Ground

Ignition Coil 4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403441 (Bosch) Service: See Catalog 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	D-GN/WH	2124	Ignition Control 4
2	PK/BK	5292	Ignition 1 Voltage
3	BK/WH	151	Ground
4	BK	150	Ground

Ignition Coil 5

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403441 (Bosch) Service: See Catalog 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	D-GN	2125	Ignition Control 5
2	PK/BK	5291	Ignition 1 Voltage
3	BK/WH	1551	Ground
4	BK	1550	Ground

Ignition Coil 6

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403441 (Bosch) Service: See Catalog 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	L-BU/WH	2126	Ignition Control 6
2	PK/BK	5292	Ignition 1 Voltage
3	BK/WH	151	Ground
4	BK	150	Ground

Knock Sensor (KS) 1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403874 (Bosch) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	D-BU	496	KS Signal Bank 1
2	GY	1716	KS Low Reference Bank 1

Knock Sensor (KS) 2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403874 (Bosch) Service: See Catalog 2-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	L-BU	1876	KS Signal Bank 2
2	TN	407	KS Low Reference Bank 2

Manifold Absolute Pressure (MAP) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928403966 (Bosch) Service: See Catalog 3-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	GY	605	5-Volt Reference
2	TN	470	Low Reference
3	OG/BK	5266	MAP Sensor Signal

Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15327729 (Delphi) 1928403200 (Bosch) Service: See Catalog 5-Way F Jr-Power Timer Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	TN	472	IAT Sensor Signal
2	PK	339	Ignition 1 Voltage
3	BK	2760	Low Reference
4	GY	2709	5-Volt Reference
5	YE	492	MAF Sensor Signal

Throttle Actuator Control (TAC) Module

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 1928404900 (Bosch) Service: See Catalog 6-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	D-GN	485	TP Sensor 1 Signal
2	GY	2701	5-Volt Reference
3	BN	582	TAC Motor Control 2
4	PU	486	TP Sensor 2 Signal
5	YE	581	TAC Motor Control 1
6	TN	2752	Low Reference

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.