Engine Controls Connector End Views. Buick LaCrosse 2007

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2007 🢒 LaCrosse 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Engine Controls Connector End Views

Connector 1:	Accelerator Pedal Position (APP) Sensor
Connector 2:	Camshaft Position (CMP) Sensor
Connector 3:	Crankshaft Position (CKP) Sensor
Connector 4:	Engine Coolant Temperature (ECT) Sensor
Connector 5:	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Connector 6:	Evaporative Emission (EVAP) Canister Vent Solenoid
Connector 7:	Exhaust Gas Recirculation (EGR) Valve
Connector 8:	Fuel Injector 1
Connector 9:	Fuel Injector 2
Connector 10:	Fuel Injector 3
Connector 11:	Fuel Injector 4
Connector 12:	Fuel Injector 5
Connector 13:	Fuel Injector 6
Connector 14:	Fuel Pump and Sender Assembly
Connector 15:	Fuel Tank Pressure (FTP) Sensor
Connector 16:	Heated Oxygen Sensor (HO2S) 1 (w/o NU6)
Connector 17:	Heated Oxygen Sensor (HO2S) 1 (NU6)
Connector 18:	Heated Oxygen Sensor (HO2S) 2
Connector 19:	Ignition Control Module (ICM)
Connector 20:	Knock Sensor (KS) 1
Connector 21:	Knock Sensor (KS) 2
Connector 22:	Manifold Absolute Pressure (MAP) Sensor
Connector 23:	Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor
Connector 24:	Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor, Bank 2 (NU6)
Connector 25:	Secondary Air Injection (AIR) Pump (NU6)
Connector 26:	Secondary Air Injection (AIR) Pump Relay (NU6)
Connector 27:	Secondary Air Injection (AIR) Solenoid Relay (NU6)
Connector 28:	Throttle Actuator Control (TAC) Module

Accelerator Pedal Position (APP) Sensor

Connector Part Information

OEM: 15326829
Service: 88953153
Description: 6-Way F 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 12191819/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Accelerator Pedal Position (APP) Sensor

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) Sensor

Connector Part Information

OEM: 12162279
Service: 12126476
Description: 3-Way F Metri-Pack 150.2 Series, Pull To Seat (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Camshaft Position (CMP) Sensor

Pin	Wire Color	Circuit No.	Function
A	BN/WH	633	CMP Sensor Signal
B	BK/WH	836	Low Reference
C	WH/BK	644	12-Volt Reference

Crankshaft Position (CKP) Sensor

Connector Part Information

OEM: 12162834
Service: 15305942
Description: 4-Way F Metri-Pack 150.2 Series, Sealed, Pull-To-Seat

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Crankshaft Position (CKP) Sensor

Pin	Wire Color	Circuit No.	Function
A	L-BU/WH	1800	CKP Sensor 2 Signal
B	YE	573	CKP Sensor 1 Signal
C	BK/WH	836	Low Reference
D	WH/BK	644	12-Volt Reference

Engine Coolant Temperature (ECT) Sensor

Connector Part Information

OEM: 12162193
Service: 88987183
Description: 2-Way F Metri-Pack 150.2 Pull To Seat Series Sealed (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Engine Coolant Temperature (ECT) Sensor

Pin	Wire Color	Circuit No.	Function
A	BK	2761	Low Reference
B	YE	410	ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Connector Part Information

OEM: 12052643
Service: 12101858
Description: 2-Way F Metri-Pack 150 Series Sealed (RD)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Pin	Wire Color	Circuit No.	Function
A	PK	339	Ignition 1 Voltage
B	D-GN/WH	428	EVAP Canister Purge Solenoid Valve Control

Evaporative Emission (EVAP) Canister Vent Solenoid

Connector Part Information

OEM: 12052643
Service: 12101858
Description: 2-Way F Metri-Pack 150 Series Sealed (RD)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Evaporative Emission (EVAP) Canister Vent Solenoid

Pin	Wire Color	Circuit No.	Function
A	OG	2840	Battery Positive Voltage
B	WH	1310	EVAP Canister Vent Solenoid Valve Control

Exhaust Gas Recirculation (EGR) Valve

Connector Part Information

OEM: 12186056
Service: 12126477
Description: 5-Way F Metri-Pack 150.2 Pull To Seat Series Sealed (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Exhaust Gas Recirculation (EGR) Valve

Pin	Wire Color	Circuit No.	Function
A	GY	435	EGR Solenoid Low Control
B	BK	2753	Low Reference
C	BN	1456	EGR Valve Position Signal
D	GY	2702	5-Volt Reference 1
E	RD	1676	EGR Solenoid High Control

Fuel Injector 1

Connector Part Information

OEM: 15419715
Service: 89046558
Description: 2-Way F GT 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 1

Pin	Wire Color	Circuit No.	Function
A	PK	639	Ignition 1 Voltage
B	BK	1744	Fuel Injector 1 Control

Fuel Injector 2

Connector Part Information

OEM: 15419715
Service: 89046558
Description: 2-Way F GT 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 2

Pin	Wire Color	Circuit No.	Function
A	PK	639	Ignition 1 Voltage
B	L-GN/BK	1745	Fuel Injector 2 Control

Fuel Injector 3

Connector Part Information

OEM: 15419715
Service: 89046558
Description: 2-Way F GT 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 3

Pin	Wire Color	Circuit No.	Function
A	PK	639	Ignition 1 Voltage
B	PK/BK	1746	Fuel Injector 3 Control

Fuel Injector 4

Connector Part Information

OEM: 15419715
Service: 89046558
Description: 2-Way F GT 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 4

Pin	Wire Color	Circuit No.	Function
A	PK	639	Ignition 1 Voltage
B	L-BU/BK	844	Fuel Injector 4 Control

Fuel Injector 5

Connector Part Information

OEM: 15419715
Service: 89046558
Description: 2-Way F GT 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 5

Pin	Wire Color	Circuit No.	Function
A	PK	639	Ignition 1 Voltage
B	BK/WH	845	Fuel Injector 5 Control

Fuel Injector 6

Connector Part Information

OEM: 15419715
Service: 89046558
Description: 2-Way F GT 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 6

Pin	Wire Color	Circuit No.	Function
A	PK	639	Ignition 1 Voltage
B	YE/BK	846	Fuel Injector 6 Control

Fuel Pump and Sender Assembly

Connector Part Information

OEM: 15326631
Service: 15306360
Description: 4-Way F GT 280 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuel Pump and Sender Assembly

Pin	Wire Color	Circuit No.	Function
A	BK	1850	Ground
B	PU	30	Fuel Level Sensor Signal
C	OG/BK	510	Low Reference
D	GY	120	Fuel Pump Supply Voltage

Fuel Tank Pressure (FTP) Sensor

Connector Part Information

OEM: 12059595
Service: 88986451
Description: 3-Way F Metri-Pack 150 Series, Sealed (BK)

Terminal Part Information

Terminal/Tray: 12084200/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-14 (GN)

Fuel Tank Pressure (FTP) Sensor

Pin	Wire Color	Circuit No.	Function
A	OG/Bk	469	Low Reference
B	D-GN	890	Fuel Tank Pressure Sensor Signal
C	GY/BK	416	5-Volt Reference 1

Heated Oxygen Sensor (HO2S) 1 (w/o NU6)

Connector Part Information

OEM: 12160482
Service: 12167154
Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Heated Oxygen Sensor (HO2S) 1 (w/o NU6)

Pin	Wire Color	Circuit No.	Function
A	TN/WH	3111	HO2S Low Signal
B	PU/WH	3110	HO2S High Signal
C	BK/WH	3112	HO2S Heater Low Control Sensor 1
D	PK	839	Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 1 (NU6)

Connector Part Information

OEM: 12176896
Service: 15305960
Description: 4-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Heated Oxygen Sensor (HO2S) 1 (NU6)

Pin	Wire Color	Circuit No.	Function
A	TN/WH	3111	HO2S Low Signal
B	PU/WH	3110	HO2S High Signal
C	BK/WH	3112	HO2S Heater Low Control Sensor 1
D	PK	839	Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 2

Connector Part Information

OEM: 15326423
Service: 15306319
Description: 4-Way M Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: 12045773/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Heated Oxygen Sensor (HO2S) 2

Pin	Wire Color	Circuit No.	Function
A	TN/WH	3121	HO2S Low Signal
B	PU	3120	HO2S High Signal
C	BK/WH	3122	HO2S Heater Low Control Sensor 2
D	PK	839	Ignition 1 Voltage

Ignition Control Module (ICM)

Connector Part Information

OEM: 12124379
Service: 12167123
Description: 14-Way F Metri-Pack 150 Pull To Seat Series Sealed (BK)

Terminal Part Information

Pins: A- D, F, G- P
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Ignition Control Module (ICM)

Pin	Wire Color	Circuit No.	Function
A	WH	423	IC Timing Control
B	TN/BK	424	IC Timing Signal
C	L-BU/BK	647	Medium Resolution Engine Speed Signal
D	PU/WH	430	Low Resolution Engine Speed Signal
E	--	--	Not Used
F	BK	630	Camshaft Position Signal
G	YE	573	CKP Sensor 1 Signal
H	L-BU/WH	1800	CKP Sensor 2 Signal
J	BN/WH	633	CMP Sensor Signal
K	BK/WH	51	Ground
L	RD/BK	453	Low Reference
M	BK/WH	836	Low Reference
N	WH/BK	644	12-Volt Reference
P	PK	239	Ignition 1 Voltage

Knock Sensor (KS) 1

Connector Part Information

OEM: 12176800
Service: 15306070
Description: 1-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Knock Sensor (KS) 1

Pin	Wire Color	Circuit No.	Function
1	D-BU	496	Knock Sensor 1 Signal

Knock Sensor (KS) 2

Connector Part Information

OEM: 12176800
Service: 15306070
Description: 1-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Knock Sensor (KS) 2

Pin	Wire Color	Circuit No.	Function
1	L-BU	1876	Knock Sensor 2 Signal

Manifold Absolute Pressure (MAP) Sensor

Connector Part Information

OEM: 12129946
Service: 12129946
Description: 3-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Manifold Absolute Pressure (MAP) Sensor

Pin	Wire Color	Circuit No.	Function
A	OG/BK	469	Low Reference
B	L-GN	432	MAP Sensor Signal
C	GY	2704	5-Volt Reference 2

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

Connector Part Information

OEM: 15326822
Service: 15326822
Description: 5-Way F GT 150 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 12191819/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

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

Pin	Wire Color	Circuit No.	Function
A	YE	492	MAF Sensor Signal
B	PK	339	Ignition 1 Voltage
C	BK/WH	451	Ground
D	TN	472	IAT Sensor Signal
E	BK	2760	Low Reference

Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor, Bank 2 (NU6)

Connector Part Information

OEM: 15460171
Service: 88988601
Description: 6-Way F GT 150 Series Sealed (BK)

Terminal Part Information

Pins: 1- 4, 6
Terminal/Tray: 12191819/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor, Bank 2 (NU6)

Pin	Wire Color	Circuit No.	Function
1	BK	476	Low Reference
2	WH	5268	Air Pressure Sensor Signal
3	GY	474	5-Volt Reference 1
4	BK/WH	451	Ground
5	--	--	Not Used
6	PU	421	Air Injection Reaction Solenoid Relay Coil Control

Secondary Air Injection (AIR) Pump (NU6)

Connector Part Information

OEM: 15326677
Service: 88953351
Description: 2-Way F GT 280 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 15392777/23
Core/Insulation Crimp: B/5
Release Tool/Test Probe: J-38125-553/J-35616-4A (PU)

Secondary Air Injection (AIR) Pump (NU6)

Pin	Wire Color	Circuit No.	Function
A	RD	78	Air Pump Supply Voltage
B	BK	1050	Ground

Secondary Air Injection (AIR) Pump Relay (NU6)

Connector Part Information

OEM: 15336745
Service: 15306331
Description: 4-Way F GR 280 Series, Metri-Pack 800 Series, Sealed (GY)

Terminal Part Information

Pins: 30, 87
Terminal/Tray: 15336748/20
Core/Insulation Crimp: F/3
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Pins: 85, 86
Terminal/Tray: 15304719/19
Core/Insulation Crimp: E/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Secondary Air Injection (AIR) Pump Relay (NU6)

Pin	Wire Color	Circuit No.	Function
30	OG	1540	Battery Positive Voltage
85	PK	339	Ignition 1 Voltage
86	BN/WH	436	Air Pump Relay Control
87	RD	78	Air Pump Supply Voltage
87A	--	--	Not Used

Secondary Air Injection (AIR) Solenoid Relay (NU6)

Connector Part Information

OEM: 12129716
Service: 15306045
Description: 4-Way F Metri-Pack 280 Series, Flexlock (GY)

Terminal Part Information

Terminal/Tray: 12110847/4
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Secondary Air Injection (AIR) Solenoid Relay (NU3)

Pin	Wire Color	Circuit No.	Function
30	PK	339	Ignition 1 Voltage
85	PK	339	Ignition 1 Voltage
86	PK/BK	429	Air Injection Reaction Solenoid Relay Coil Control
87	PU	421	Air Injection Reaction Solenoid Control

Throttle Actuator Control (TAC) Module

Connector Part Information

OEM: 15355368
Service: 15355368
Description: 20-Way F GT 150 Series Sealed (GY)

Terminal Part Information

Pins: 1- 4, 6- 8, 11- 13, 16- 18
Terminal/Tray: 15326267/19
Core/Insulation Crimp: Pins 1 4, 6- 8, 11-13, 16, 17 - E/4
Core/Insulation Crimp: Pins 18 - E/1
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Throttle Actuator Control (TAC) Module

Pin	Wire Color	Circuit No.	Function
1	TN	1274	5-Volt Reference
2	PU	1272	Low Reference
3	L-BU	1162	APP Sensor 2 Signal
4	D-GN	389	Vehicle Speed Signal
5	--	--	Not Used
6	WH	17	Stop Lamp Switch Signal
7	OG/BK	1061	UART Serial Data Secondary
8	TN/WH	551	Ground
9-10	--	--	Not Used
11	D-BU	1161	APP Sensor 1 Signal
12	BN	1271	Low Reference
13	WH/BK	1164	5-Volt Reference
14-15	--	--	Not Used
16	TN	800	UART Serial Data Primary
17	TN/WH	551	Ground
18	PK	39	Ignition 1 Voltage
19-20	--	--	Not Used