K20 Engine Control Module X3

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-0203
Service Connector: 88988372
Description: 73-Way F MX123 34566 Series (BK with GY Terminal Position Assurance Lock)

Terminal Part Information

Pins: 8-10, 16, 24-35, 39-40, 46, 48, 50, 52-55, 59-60, 66, 68, 70, 72, 73
Terminated Lead: Pending
Release Tool: Pending
Diagnostic Test Probe: Pending
Terminal/Tray: Pending
Core/Insulation Crimp: Pending

K20 Engine Control Module X3

Pin	Size	Color	Circuit	Function	Option
1-7	-	-	-	Not Used	-
8	0.5	BU	410	Engine Coolant Temperature Sensor Signal	-
9	0.5	YE/BU	231	Oil Pressure Switch Signal	-
10	0.5	VT/BU	6270	Crankshaft 60X Sensor Voltage	-
11-15	-	-	-	Not Used	-
16	0.75	YE	7301	High Pressure Fuel Pump Actuator High - Control	-
17-23	-	-	-	Not Used	-
24	0.5	BK/BN	2761	Coolant Temperature Sensor Low Reference	-
25	0.5	GN	6271	Crankshaft 60X Sensor Signal	-
26	0.5	BK/VT	6272	Crankshaft Position Sensor Signal (1)	-
27	0.5	BU/WH	2122	Ignition Control (2)	-
28	0.5	YE/BU	2124	Ignition Control (4)	-
29	0.5	GN/BU	2123	Ignition Control (3)	-
30	0.5	BU/VT	2121	Ignition Control (1)	-
31	0.5	BK/GY	453	Ignition Control Low Reference	-
32	0.75	VT/BK	7300	High Pressure Fuel Pump Actuator Low - Control	-
33	0.5	YE/VT	5275	Camshaft Position Intake Sensor (1)	-
34	0.5	GY/BU	5300	Camshaft Position Intake Sensor Supply Voltage (1)	-
35	0.5	VT/BK	5273	Camshaft Position Exhaust Sensor (1)	-
36-38	-	-	-	Not Used	-
39	0.5	GY/BU	5284	Camshaft Phaser Intake Solenoid (1)	-
40	0.5	GY/YE	5282	Camshaft Phaser Exhaust Solenoid (1)	-
41-45	-	-	-	Not Used	-
46	0.75	BN/YE	844	Fuel Injector Control (4)	-
47	-	-	-	Not Used	-
48	0.75	YE/WH	1745	Fuel Injector Control (2)	-
49	-	-	-	Not Used	-
50	0.75	BN/VT	1746	Fuel Injector Control (3)	-
51	-	-	-	Not Used	-
52	0.75	BN/VT	1744	Fuel Injector Control (1)	-
53	0.5	BK/GN	5301	Camshaft Position Intake Sensor Low Reference (1)	-
54	0.5	YE/BK	5297	Camshaft Position Exhaust Sensor Supply Voltage (1)	-
55	0.5	BK/GY	5296	Camshaft Position Exhaust Sensor Low Reference (1)	-
56-58	-	-	-	Not Used	-
59	0.5	VT/BN	6753	Cam Phaser W Return Low Reference	-
60	0.5	GY/BU	6754	Cam Phaser X Return Low Reference	-
61-65	-	-	-	Not Used	-
66	0.75	BU/GY	5425	Fuel Injector Supply Voltage (4)	-
67	-	-	-	Not Used	-
68	0.75	BU/YE	5422	Fuel Injector Supply Voltage (2)	-
69	-	-	-	Not Used	-
70	0.75	BU/GN	5423	Fuel Injector Supply Voltage (3)	-
71	-	-	-	Not Used	-
72	0.75	BU/WH	5421	Fuel Injector Supply Voltage (1)	-
73	1.5	BK	450	Ground	-