K20 Engine Control Module X2 (LFX)

WARNING: This page is about a different car, the 2013 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-3993
Service Connector: 19299784
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	Core Crimp	Insulation Crimp
I	13575575	J-35616-64B (L-BU)	J-38125-213	33467-0005	23	J	J
II	13575797	J-35616-35 (VT)	J-38125-11A	7116-4152-02	9	A	5

K20 Engine Control Module X2 (LFX)

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1-2	-	-	-	Not Occupied	-	-
3	0.5	BK/L-GN	2919	Low Reference	I	-
4-9	-	-	-	Not Occupied	-	-
10	0.5	VT/GY	3110	Heated Oxygen Sensor High Signal Bank 1 Sensor (1)	I	-
11	0.5	VT/WH	3210	Heated Oxygen Sensor High Signal Bank 1 Sensor (2)	I	-
12	0.5	VT/L-BU	3120	Heated Oxygen Sensor High Signal Bank 2 Sensor (1)	I	-
13	0.5	VT/L-GN	3220	Heated Oxygen Sensor High Signal Bank 2 Sensor (2)	I	-
14	-	-	-	Not Occupied	-	-
15	0.5	BN/GY	4008	Mass Air Flow Sensor Signal	I	-
16	0.5	BN/WH	582	Throttle Actuator Control Close	I	-
17	-	-	-	Not Occupied	-	-
18	0.5	BN/RD	2917	Fuel Rail Pressure Sensor (5) Volt Reference	I	-
19	0.5	BN/RD	2917	Fuel Rail Pressure Sensor (5) Volt Reference	I	-
20-25	-	-	-	Not Occupied	-	-
26	0.5	WH/BK	3111	Heated Oxygen Sensor Low Signal Bank 1 Sensor (1)	I	-
27	0.5	YE/WH	3211	Heated Oxygen Sensor Low Signal Bank 2 Sensor (1)	I	-
28	0.5	WH/YE	3121	Heated Oxygen Sensor Low Signal Bank 1 Sensor (2)	I	-
29	0.5	YE/L-BU	3221	Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)	I	-
30-31	-	-	-	Not Occupied	-	-
32	0.5	YE	581	Low Reference	I	-
33	-	-	-	Not Occupied	-	-
34	0.5	BN/RD	2701	5 Volt Reference	I	-
35	-	-	-	Not Occupied	-	-
36	0.5	VT/GY	496	Knock Sensor Signal (1)	I	-
37	0.5	WH/GY	1876	Knock Sensor Signal (2)	I	-
38	0.5	WH	1579	Fuel Temperature/Composition Signal	I	-
39	-	-	-	Not Occupied	-	-
40	0.5	VT/L-BU	6091	Crankshaft Position Sensor Replicated Signal	I	-
41	0.5	GY/WH	3113	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1)	I	-
42	0.5	GY/WH	3122	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2)	I	-
43	0.5	L-GN/WH	432	Manifold Absolute Pressure Sensor Signal	I	-
44	0.5	GY/RD	2704	5 Volt Reference	I	-
45-48	-	-	-	Not Occupied	-	-
49	0.5	WH/L-BU	6289	Induction Air Temperature Sensor Signal	I	-
50	-	-	-	Not Occupied	-	-
51	0.5	L-GN/L-BU	428	EVAP Canister Purge Solenoid Control	I	-
52	0.5	L-GN/WH	492	Mass Air Flow Sensor Signal	I	-
53	0.5	BN	25	Charge Indicator Control	I	-
54	0.5	BK/BN	2752	Low Reference	I	-
55	0.5	GY	23	Generator Field Duty Cycle Signal	I	-
56	0.5	BK/YE	1716	Low Reference	I	-
57	0.5	BK/GY	2303	Low Reference	I	-
58	0.5	WH/GY	1786	Transmission Park/Neutral Signal (1)	I	-
59	-	-	-	Not Occupied	-	-
60	0.5	BN/L-GN	1174	Oil Level Switch Signal	I	-
61	0.5	L-GN/YE	3212	Heated Oxygen Sensor Heater Low Control Bank 2 Sensor (1)	I	-
62	0.5	WH/BN	3223	Heated Oxygen Sensor Heater Low Control Bank 2 Sensor (2)	I	-
63	0.5	BK/L-GN	469	Low Reference	I	-
64-68	-	-	-	Not Occupied	-	-
69	0.5	BK/VT	2760	Low Reference	I	-
70	0.5	L-BU/WH	3630	Throttle Position Sensor (SENT 1) Signal	I	-
71-72	-	-	-	Not Occupied	-	-
73	2.5	BK/WH	451	Ground	II	-