K20 Engine Control Module X2 (LGX)

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-0103
Service Connector: 88988931
Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	13576392	J-35616-4A (PU)	J-38125-11A	7116-4152-02	Yazaki 9	A	5
II	19354746	J-35616-64B (LT BU)	J-38125-215A	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	GY/WH	3122	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 2	II	-
2	0.5	WH/BN	3223	Heated Oxygen Sensor Heater Low Control Bank 2 Sensor 2	II	-
3 - 6	-	-	-	Not Occupied	-	-
7	0.75	GN/VT	4621	Local Interconnect Network Serial Data Bus 21	II	-
8	-	-	-	Not Occupied	-	-
9	0.5	BN/GN	1174	Oil Level Switch Signal	II	-
10	-	-	-	Not Occupied	-	-
11	0.5	YE/BN	331	Oil Pressure Sensor Signal	II	-
12	0.5	BK/BN	2761	Coolant Temperature Sensor Low Reference	II	-
13 - 16	-	-	-	Not Occupied	-	-
17	0.5	GY/WH	3113	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1	II	-
18	0.5	GN/YE	3212	Heated Oxygen Sensor Heater Low Control Bank 2 Sensor 1	II	-
19 - 20	-	-	-	Not Occupied	-	-
21	0.5	BU/WH	1937	Secondary Fuel Level Sensor Signal	II	F48
22	0.5	BU/VT	1589	Primary Fuel Level Sensor Signal	II	-
23 - 26	-	-	-	Not Occupied	-	-
27	0.5 0.5	WH/RD WH/RD	2705 480	Oil Pressure Sensor 5V Reference Engine Control Sensors 5 Volt Reference (2)	II II	LGX+GMC LGX+HOLDEN
28	0.5	VT/BU	5294	Powertrain Main Relay Fused Supply 5	II	-
29 - 34	-	-	-	Not Occupied	-	-
35	0.5	WH/BK	3111	Heated Oxygen Sensor Low Signal Bank 1 Sensor 1	II	-
36	0.5	YE/WH	3211	Heated Oxygen Sensor Low Signal Bank 2 Sensor 1	II	-
37	0.5	WH/YE	3121	Heated Oxygen Sensor Low Signal Bank 1 Sensor 2	II	-
38	0.5	YE/BU	3221	Heated Oxygen Sensor Low Signal Bank 2 Sensor 2	II	-
39	0.5	BK/YE	1716	Knock Sensor Low Reference 1	II	-
40	0.5	BK/GY	2303	Knock Sensor Low Reference 2	II	-
41	-	-	-	Not Occupied	-	-
42	0.5	YE/WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	II	-
43	0.5	WH/RD	3201	Throttle Inlet Absolute Pressure Sensor 5V Reference	II	-
44 - 45	-	-	-	Not Occupied	-	-
46	0.5	YE/RD	2709	Fuel Tank Pressure Sensor 5V Reference	II	-
47	0.5	GY/RD	2704	Manifold Absolute Pressure Sensor 5V Reference	II	-
48	0.5	BK/GN	469	Manifold Absolute Pressure Sensor Low Reference	II	-
49 - 50	-	-	-	Not Occupied	-	-
51	0.5 0.5	BK/GY BK/VT	3927 2755	IMS Mode Switch Low Reference Oil Pressure Sensor Low Reference	II II	M3V -M3V
52	0.5	BN/WH	582	Throttle Actuator Control Close	II	-
53 - 54	-	-	-	Not Occupied	-	-
55	0.5	VT/GY	3110	Heated Oxygen Sensor High Signal Bank 1 Sensor 1	II	-
56	0.5	VT/WH	3210	Heated Oxygen Sensor High Signal Bank 2 Sensor 1	II	-
57	0.5	VT/BU	3120	Heated Oxygen Sensor High Signal Bank 1 Sensor 2	II	-
58	0.5	VT/GN	3220	Heated Oxygen Sensor High Signal Bank 2 Sensor 2	II	-
59	0.5	VT/GY	496	Knock Sensor Signal 1	II	-
60	0.5	WH/GY	1876	Knock Sensor Signal 2	II	-
61 - 62	-	-	-	Not Occupied	-	-
63	0.5	WH/YE	432	Manifold Absolute Pressure Sensor Signal	II	-
64 - 66	-	-	-	Not Occupied	-	-
67	0.5	WH/YE	432	Manifold Absolute Pressure Sensor Signal	II	-
68 - 69	-	-	-	Not Occupied	-	-
70	0.5	WH/BU	6289	Induction Air Temperature Sensor Signal	II	-
71	-	-	-	Not Occupied	-	-
72	0.5	YE	581	Throttle Actuator Control Open	II	-
73	2.5 2.5	BK BK/WH	350 451	Ground Signal Ground	I I	LGX+GMC LGX+HOLDEN