K20 Engine Control Module X3 (LYX+NUG)

WARNING: This page is about a different car, the 2022 GMC Terrain and 2022 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type:Engine Wiring Harness
OEM Connector: 12672862
Service Connector: 19333091
Description: 73 -Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	13587518	J-35616-35 (VT)	J-38125-11A
II	19354746	J-35616-64B (LT BU)	J-38125-215A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	YE / GN	4321	Camshaft Position Actuator Park Lock Control	II	LYX+NUG
2 - 3	-	-	-	Not Occupied	-	-
4	0.5	GY / BU	5282	Exhaust Camshaft Position Actuator Solenoid Valve 1	II	LYX+NUG
5	0.5	VT / BN	5284	Intake Camshaft Position Actuator Solenoid Valve 1	II	LYX+NUG
6	0.5	VT / GN	4320	Powertrain Sensor Bus Enable	II	LYX+NUG
7	0.5	VT / BK	5273	Exhaust Camshaft Position Sensor 1	II	LYX+NUG
8	0.5	YE / VT	5275	Intake Camshaft Position Sensor 1	II	LYX+NUG
9	0.5	GY / BU	5300	Intake Camshaft Position Sensor 1 Voltage Reference	II	LYX+NUG
10	0.5	GN	6271	Crankshaft Position Sensor Signal	II	LYX+NUG
11	0.5	VT / BU	6091	Crankshaft Position Sensor Replicated Signal	II	NKC+LYX+NUG
12	0.5	BU / WH	2122	Ignition Control 2	II	LYX+NUG
13	0.5	GN / BU	2123	Ignition Control 3	II	LYX+NUG
14	0.5	BN	25	Charge Indicator Control	II	LYX+NUG
15	0.5	WH / GY	4578	Surge Accumulator Solenoid Valve Low Side Control	II	MNH+LYX+NUG
16	0.5	YE	7301	High Pressure Fuel Pump High Control	II	LYX+NUG
17 - 19	-	-	-	Not Occupied	-	-
20	0.5	BK / VT	6754	Camshaft Position Actuator Solenoid Valve X Low Reference	II	LYX+NUG
21	0.5	BK / BN	6753	Camshaft Position Actuator Solenoid Valve W Low Reference	II	LYX+NUG
22	0.5	BK / GY	5296	Exhaust Camshaft Position Sensor Low Reference 1	II	LYX+NUG
23	0.5	GY / YE	5297	Exhaust Camshaft Position Sensor 1 Voltage Reference	II	LYX+NUG
24	0.5	BK / GN	5301	Intake Camshaft Position Sensor Low Reference 1	II	LYX+NUG
25	0.5	VT / BU	6270	Crankshaft Position Sensor Voltage	II	LYX+NUG
26	0.5	BK / VT	6272	Crankshaft Position Sensor Low Reference	II	LYX+NUG
27	-	-	-	Not Occupied	-	-
28	0.5	YE / BU	2124	Ignition Control 4	II	LYX+NUG
29	0.5	BU / VT	2121	Ignition Control 1	II	LYX+NUG
30	0.5	BK / BU	2129	Ignition Control Low Reference Bank 1	II	LYX+NUG
31	-	-	-	Not Occupied	-	-
32	0.5	VT / BK	7300	High Pressure Fuel Pump Low Control	II	LYX+NUG
33	0.5	YE / BK	625	Starter Enable Relay Control	II	KL9+LYX+NUG
34 - 35	-	-	-	Not Occupied	-	-
36	0.5	BK / BN	2752	Throttle Position Sensor Low Reference	II	LYX+NUG
37	0.5	BK / GN	469	Manifold Absolute Pressure Sensor Low Reference	II	LYX+NUG
38	0.5	YE / WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	II	LYX+NUG
39 - 42	-	-	-	Not Occupied	-	-
43	0.5	BK / GY	626	Engine Control Vehicle Sensors Low Reference 1	II	LYX+NUG
44 - 48	-	-	-	Not Occupied	-	-
49	0.75	BU	4802	Direct Fuel Injector High Voltage Control Cylinder 2	II	LYX+NUG
50	0.75	GY / BU	4804	Direct Fuel Injector High Voltage Control Cylinder 4	II	LYX+NUG
51	0.75	GN	4803	Direct Fuel Injector High Voltage Control Cylinder 3	II	LYX+NUG
52	0.75	BN	4801	Direct Fuel Injector High Voltage Control Cylinder 1	II	LYX+NUG
53 - 54	-	-	-	Not Occupied	-	-
55	0.5	BN / RD	2701	Throttle Position Sensor 5V Reference	II	LYX+NUG
56	0.5	BU / WH	3630	Throttle Position Sensor SENT 1 Signal	II	LYX+NUG
57	0.5	GY / RD	2704	Manifold Absolute Pressure Sensor 5V Reference	II	LYX+NUG
58	0.5	GN / WH	432	Manifold Absolute Pressure Sensor Signal	II	LYX+NUG
59 - 60	-	-	-	Not Occupied	-	-
61	0.5	BU	410	Engine Coolant Temperature Sensor Signal	II	LYX+NUG
62	-	-	-	Not Occupied	-	-
63	0.5	BU / WH	2918	Fuel Rail Pressure Sensor Signal	II	LYX+NUG
64	0.5	GY	23	Generator Field Duty Cycle Signal	II	LYX+NUG
65 - 68	-	-	-	Not Occupied	-	-
69	0.75	BU / GY	4902	Direct Fuel Injector High Voltage Supply Cylinder 2	II	LYX+NUG
70	0.75	BU / WH	4904	Direct Fuel Injector High Voltage Supply Cylinder 4	II	LYX+NUG
71	0.75	GN / GY	4903	Direct Fuel Injector High Voltage Supply Cylinder 3	II	LYX+NUG
72	0.75	BN / WH	4901	Direct Fuel Injector High Voltage Supply Cylinder 1	II	LYX+NUG
73	2	BK / WH	151	Signal Ground	I	-