K20 Engine Control Module X2 (LF3)

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-4743
Service Connector: 19119900
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	13579770	J-35616-4A (PU)	J-38125-11A	7116-4152-02	Yazaki 9	2	5
II	19330179	J-35616-64B (LT BU)	J-38125-12A	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1 - 2	-	-	-	Not Occupied	-	-
3	0.5	BK/GN	2919	Fuel Rail Pressure Sensor Low Reference	II	LF3
4 - 9	-	-	-	Not Occupied	-	-
10	0.5	VT/GY	3110	Heated Oxygen Sensor High Signal Bank 1 Sensor 1	II	-
11	0.5	VT/WH	3210	Heated Oxygen Sensor High Signal Bank 2 Sensor 1	II	LF3
12	0.5	VT/BU	3120	Heated Oxygen Sensor High Signal Bank 1 Sensor 2	II	LF3
13	0.5	VT/GN	3220	Heated Oxygen Sensor High Signal Bank 2 Sensor 2	II	LF3
14	0.5	GY	4109	Driver Mode Switch 5V Reference	II	LF3
15	0.5	GY/BU	7564	Humidity Sensor Signal	II	LF3
16	0.5	BN/WH	582	Throttle Actuator Control Close	II	LF3
17	-	-	-	Not Occupied	-	-
18	0.5	BN/RD	2917	Fuel Rail Pressure Sensor 5V Reference	II	LF3
19 - 23	-	-	-	Not Occupied	-	-
24	0.5	GN/WH	492	Mass Air Flow Sensor Signal	II	LF3
25	-	-	-	Not Occupied	-	-
26	0.5	WH/BK	3111	Heated Oxygen Sensor Low Signal Bank 1 Sensor 1	II	LF3
27	0.5	YE/WH	3211	Heated Oxygen Sensor Low Signal Bank 2 Sensor 1	II	LF3
28	0.5	WH/YE	3121	Heated Oxygen Sensor Low Signal Bank 1 Sensor 2	II	LF3
29	0.5	YE/BU	3221	Heated Oxygen Sensor Low Signal Bank 2 Sensor 2	II	LF3
30	0.5	GN	3060	Turbo Bypass Solenoid Control Bank 1	II	LF3
31	-	-	-	Not Occupied	-	-
32	0.5	YE	581	Throttle Actuator Control Open	II	LF3
33	-	-	-	Not Occupied	-	-
34	0.5	BN/RD	2701	Throttle Position Sensor 5V Reference	II	LF3
35	-	-	-	Not Occupied	-	-
36	0.5	VT/GY	496	Knock Sensor Signal 1	II	LF3
37	0.5	WH/GY	1876	Knock Sensor Signal 2	II	LF3
38	-	-	-	Not Occupied	-	-
39	0.5	WH	121	Engine Speed Signal	II	LF3
40	-	-	-	Not Occupied	-	-
41	0.5	GY/WH	3113	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1	II	LF3
42	0.5	GY/WH	3122	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 2	II	LF3
43	0.5	GN/WH	432	Manifold Absolute Pressure Sensor Signal	II	LF3
44	0.5	GY/RD	2704	Manifold Absolute Pressure Sensor 5V Reference	II	LF3
45	0.5	GN	3057	Turbo Intake Pressure Sensor Signal Bank 2	II	LF3
46	-	-	-	Not Occupied	-	-
47	0.5	WH/GY	3218	Boost Pressure Solenoid 2 Control	II	LF3
48	0.5	BU	3061	Turbo Bypass Solenoid Control Bank 2	II	LF3
49	0.5	WH/BU	6289	Induction Air Temperature Sensor Signal	II	LF3
50	0.5	WH/VT	4108	Driver Mode Switch Signal	II	LF3
51	0.5	GN/BU	428	EVAP Canister Purge Solenoid Control	II	LF3
52	0.5	YE/BK	7337	Mass Air Flow Sensor Signal 2	II	LF3
53	0.5	BN	25	Charge Indicator Control	II	LF3
54	0.5	BK/BN	2752	Throttle Position Sensor Low Reference	II	LF3
55	0.5	GY	23	Generator Field Duty Cycle Signal	II	LF3
56	0.5	BK/YE	1716	Knock Sensor Low Reference 1	II	LF3
57	0.5	BK/GY	2303	Knock Sensor Low Reference 2	II	LF3
58	0.5	WH/GY	1786	Transmission Park/Neutral Signal 1	II	LF3
59	-	-	-	Not Occupied	-	-
60	0.5	BN/GN	1174	Oil Level Switch Signal	II	LF3
61	0.5	GN/YE	3212	Heated Oxygen Sensor Heater Low Control Bank 2 Sensor 1	II	LF3
62	0.5	WH/BN	3223	Heated Oxygen Sensor Heater Low Control Bank 2 Sensor 2	II	-
63	0.5	BK/GN	469	Manifold Absolute Pressure Sensor Low Reference	II	-
64	0.5	BU/RD	3056	Turbo Intake Pressure Sensor High Reference Bank 2	II	-
65	0.5	BK/GN	3055	Turbo Intake Pressure Sensor Low Reference Bank 2	II	LF3
66 - 68	-	-	-	Not Occupied	-	-
69	0.5	BK/VT	2760	Intake Air Temperature Sensor Low Reference	II	LF3
70	0.5	BU/WH	3630	Throttle Position Sensor (SENT1) Signal	II	LF3
71	0.5	BN/YE	258	Waste Gate Solenoid Control	II	LF3
72	-	-	-	Not Occupied	-	-
73	2	BK/WH	451	Signal Ground	I	LF3