K20 Engine Control Module X2 (LFW or LFX)

WARNING: This page is about a different car, the 2013 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: 12582677
Service Connector: 88988931
Description: 73-Way F 0.64/2.8 Series, Sealed (BK with BK Terminal Position Assurance Lock)

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	SEALED: 13576392 UNSEALED: 13575797	J-35616-35 (VT)	J-38125-11A	7116-4152-02	9	2	5

K20 Engine Control Module X2 (LFW or LFX)

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1-2	-	-	-	Not Occupied	-	-
3	0.5	TN	808	Low Reference	I	-
4-7	-	-	-	Not Occupied	-	-
8	0.5	PU/WH	821	Vehicle Speed Sensor	I	VSS) High Signal (MV7
9	-	-	-	Not Occupied	-	-
10	0.5	PU/WH	3110	Reference Voltage - Bank 1 Sensor 1	I	-
11	0.5	PU/WH	3210	HO2S Reference Voltage - Bank 2 Sensor 1	I	-
12	0.5	PU	3120	HO2S High Signal - Bank 1 Sensor 2	I	-
13	0.5	PU	3220	HO2S High Signal - Bank 2 Sensor 2	I	-
14-15	-	-	-	Not Occupied	-	-
16	0.5	BN	582	TAC Motor Control - 2	I	-
17	-	-	-	Not Occupied	-	-
18	0.5	GY	598	5-Volt Reference 1	I	-
19	0.5	YE	2918	Fuel Rail Pressure (FRP) Sensor Signal	I	-
20-22	-	-	-	Not Occupied	-	-
23	0.5	L-GN	5007	Backup Lamp Switch Signal	I	-
24-25	-	-	-	Not Occupied	-	-
26	0.5	TN/WH	3111	Low Reference - Bank 1 Sensor 1	I	-
27	0.5	TN/WH	3211	HO2S Low Signal - Bank 2 Sensor 1	I	-
28	0.5	TN/WH	3121	Low Reference - Bank 1 Sensor 2	I	-
29	0.5	TN	3221	Low Reference - Bank 2 Sensor 2	I	-
30-31	-	-	-	Not Occupied	-	-
32	0.5	YE	581	TAC Motor Control - 1	I	-
33	0.5	D-GN	485	TP Sensor 1 Signal	I	-
34	0.5	GY	2701	5-Volt Reference 4	I	-
35	0.5	PU	486	TP Sensor 2 Signal	I	-
36	0.5	D-BU	496	Knock Sensor (KS) 1 Signal	I	-
37	0.5	L-BU	1876	Knock Sensor (KS) 2 Signal	I	-
38-40	-	-	-	Not Occupied	-	-
41	0.5	GY/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1	I	-
42	0.5	GY/WH	3122	HO2S Heater Low Control - Bank 1 Sensor 2	I	-
43	0.5	L-GN	432	MAP Sensor Signal	I	-
44	0.5	GY	2704	5-Volt Reference 3	I	-
45-48	-	-	-	Not Occupied	-	-
49	0.5	L-BU	6289	Intake Air Temperature (IAT) Sensor Signal	I	-
50	-	-	-	Not Occupied	-	-
51	0.5	D-GN/WH	428	EVAP Canister Purge Solenoid Control	I	-
52	0.5	YE	492	MAF Sensor Signal	I	-
53	0.5	OG	225	Generator Turn On Signal	I	-
54	0.5	TN	2752	Low Reference	I	-
55	0.5	GY	23	Generator Field Duty Cycle Signal	I	-
56	0.5	GY	1716	Low Reference	I	-
57	0.5	GY	2303	Low Reference	I	-
58	0.5	OG/BK	1786	Transmission Park/Neutral Signal	I	-
59-60	-	-	-	Not Occupied	-	-
61	0.5	L-GN	3212	HO2S Heater Low Control - Bank 2 Sensor 1	I	-
62	0.5	OG/WH	3223	HO2S Heater Low Control - Bank 2 Sensor 2	I	-
63	0.5	OG/BK	469	Low Reference	I	-
64-68	-	-	-	Not Occupied	-	-
69	0.5	TN	2760	Low Reference	I	-
70-72	-	-	-	Not Occupied	-	-
73	2	BK/WH	1551	Ground	II	-