K20 Engine Control Module X3 (LF3/LTG)

WARNING: This page is about a different car, the 2015 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-1403
Service Connector: 13574948
Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with NA 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-35616-35 (VT)	J-38125-11A	7116-4152-02	Yazaki 9	2	5
II	19331732	J-35616-64A (LT BU)	J-38125-12A	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	YE/BN	331	Oil Pressure Sensor Signal	II	-
2	0.5	WH/RD	2705	Oil Pressure Sensor 5V Reference	II	-
3	0.5	YE	3054	Turbo Intake Pressure Sensor Signal Bank 1	II	LF3
4 - 7	-	-	-	Not Occupied	-	-
8	0.5	BU	410	Engine Coolant Temperature Sensor Signal	II	-
9	-	-	-	Not Occupied	-	-
10	0.5	VT/BU	6270	Crankshaft 60X Sensor 5V Reference	II	-
11 - 12	-	-	-	Not Occupied	-	-
13	0.5	BN/BU	2126	Ignition Control 6	II	LF3
14	0.5	BU/GY	2125	Ignition Control 5	II	LF3
15	0.5	BK/GY	2130	Ignition Control Low Reference Bank 2	II	LF3
16	0.75	YE	7301	High Pressure Fuel Pump Actuator High - Control	II	-
17	0.5	BK/VT	2755	Oil Pressure Sensor Low Reference	II	-
18	0.5	GY/RD	3053	Turbo Intake Pressure Sensor High Reference Bank 1	II	LF3
19 - 23	-	-	-	Not Occupied	-	-
24	0.5	BK/BN	2761	Coolant Temperature Sensor Low Reference	II	-
25	0.5	BK/VT	6272	Crankshaft 60X Sensor Low Reference	II	-
26	0.5	GN	6271	Crankshaft 60X Sensor Signal	II	-
27	0.5 0.5	YE/BU BU/WH	2124 2122	Ignition Control 4 Ignition Control 2	II	LF3 LTG
28	0.5 0.5	GN/BU YE/BU	2123 2124	Ignition Control 3 Ignition Control 4	II	LF3 LTG
29	0.5 0.5	BU/WH GN/BU	2122 2123	Ignition Control 2 Ignition Control 3	II	LF3 LTG
30	0.5	BU/VT	2121	Ignition Control 1	II	-
31	0.5	BK/BU	2129	Ignition Control Low Reference Bank 1	II	-
32	0.75	VT/BK	7300	High Pressure Fuel Pump Actuator Low - Control	II	-
33	0.5	YE/VT	5275	Camshaft Position Intake Sensor 1	II	-
34	0.5	GY/BU	5300	Camshaft Position Intake Sensor Control 1	II	-
35	0.5	VT/BK	5273	Camshaft Position Exhaust Sensor 1	II	-
36	0.5	YE	5276	Camshaft Position Intake Sensor 2	II	LF3
37	0.5	WH/BU	5302	Camshaft Position Intake Sensor Control 2	II	LF3
38	0.5	VT/BU	5274	Camshaft Position Exhaust Sensor 2	II	LF3
39	0.5	VT/BN	5284	Camshaft Phaser Intake Solenoid 1	II	-
40	0.5	GY/BU	5282	Camshaft Phaser Exhaust Solenoid 1	II	-
41	0.5	GN	5272	Camshaft Phaser Intake Solenoid 2	II	LF3
42	0.5	GN/BN	5283	Camshaft Phaser Exhaust Solenoid 2	II	LF3
43 - 45	-	-	-	Not Occupied	-	-
46	0.75 0.75	GY/BU BU	4804 4802	Direct Fuel Injector (DFI) High Voltage Control Cylinder 4 Direct Fuel Injector (DFI) High Voltage Control Cylinder 2	II	LF3 LTG
47	0.75	WH/GN	4805	Direct Fuel Injector (DFI) High Voltage Control Cylinder 5	II	LF3
48	0.75 0.75	BU GN	4802 4803	Direct Fuel Injector (DFI) High Voltage Control Cylinder 2 Direct Fuel Injector (DFI) High Voltage Control Cylinder 3	II	LF3 LTG
49	-	-	-	Not Occupied	-	-
50	0.75 0.75	GN GY/BU	4803 4804	Direct Fuel Injector (DFI) High Voltage Control Cylinder 3 Direct Fuel Injector (DFI) High Voltage Control Cylinder 4	II	LF3 LTG
51	0.75	VT/GN	4806	Direct Fuel Injector (DFI) High Voltage Control Cylinder 6	II	LF3
52	0.75	BN	4801	Direct Fuel Injector (DFI) High Voltage Control Cylinder 1	II	-
53	0.5	BK/GN	5301	Camshaft Position Intake Sensor Low Reference 1	II	-
54	0.5	GY/YE	5297	Camshaft Position Exhaust Sensor Control 1	II	-
55	0.5	BK/GY	5296	Camshaft Position Exhaust Sensor Low Reference 1	II	-
56	0.5	BK/VT	5303	Camshaft Position Intake Sensor Low Reference 2	II	LF3
57	0.5	GN/BN	5298	Camshaft Position Exhaust Sensor Control 2	II	LF3
58	0.5	BK/BN	5299	Camshaft Position Exhaust Sensor Low Reference 2	II	LF3
59	0.5	BK/BN	6753	Cam Phaser W Low Reference	II	-
60	0.5	BK/VT	6754	Cam Phaser X Low Reference	II	-
61	0.5	BK/BU	6755	Cam Phaser Y Low Reference	II	LF3
62	0.5	BK/GY	6756	Cam Phaser Z Low Reference	II	LF3
63 - 65	-	-	-	Not Occupied	-	-
66	0.75 0.75	BU/WH BU/GY	4904 4902	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2	II	LF3 LTG
67	0.75	GN/WH	4905	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 5	II	LF3
68	0.75 0.75	BU/GY GN/GY	4902 4903	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3	II	LF3 LTG
69	-	-	-	Not Occupied	-	-
70	0.75 0.75	GN/GY BU/WH	4903 4904	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4	II	LF3 LTG
71	0.75	VT/GY	4906	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 6	II	LF3
72	0.75	BN/WH	4901	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1	II	-
73	2	BK/WH	451	Signal Ground	I	-