K20 Engine Control Module X1 (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: 12615654
Service Connector: 13574782
Description: 73-Way F 0.64 2.8 Series, Sealed (BK with BU 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 X1 (LFW or LFX)

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1-3	-	-	-	Not Occupied	-	-
4	0.5	YE/WH	3200	Air Inlet Absolute Pressure Sensor	I	-
5	0.5	GY/WH	3201	5-Volt Reference 1	I	-
6	0.5	OG/BK	380	A/C Refrigerant Pressure Sensor Signal	I	-
7-8	-	-	-	Not Occupied	-	-
9	0.5	D-GN	890	Fuel Tank Pressure Sensor Signal	I	-
10	0.5	GY	2709	5-Volt Reference 1	I	-
11-13	-	-	-	Not Occupied	-	-
14	0.5	WH/BK	1164	5-Volt Reference 4	I	-
15	0.5	D-BU	1161	APP Sensor 1 Signal	I	-
16-19	-	-	-	Not Occupied	-	-
20	0.5	TN/WH	3202	Low Reference	I	-
21	0.5	GY	2700	5-Volt Reference 1	I	-
22	0.5	TN	5514	Low Reference	I	-
23-24	-	-	-	Not Occupied	-	-
25	0.5	D-BU	1936	Primary Fuel Level Sensor Signal	I	-
26	0.5	TN	2759	Low Reference	I	-
27	0.5	L-BU	1937	Secondary Fuel Level Sensor Signal	I	-
28-29	-	-	-	Not Occupied	-	-
30	0.5	BN	1271	Low Reference	I	-
31	-	-	-	Not Occupied	-	-
32	0.5	D-GN/WH	459	A/C Compressor Clutch Relay Control	I	-
33	0.5	TN	1274	5-Volt Reference 3	I	-
34	0.5	L-BU	1162	APP Sensor 2 Signal	I	-
35-38	-	-	-	Not Occupied	-	-
39	0.5	TN/BK	2500	High Speed GMLAN Serial Data Bus+	I	-
40	0.5	TN	2501	High Speed GMLAN Serial Data Bus-	I	-
41	-	-	-	Not Occupied	-	-
42	0.5	D-BU	473	High Speed Cooling Fan Relay Control	I	-
43	-	-	-	Not Occupied	-	-
44	0.5	D-GN/WH	465	Fuel Pump Relay Control - Primary	I	-
45	-	-	-	Not Occupied	-	-
46	0.5	BN/WH	419	MIL Control	I	-
47	0.5	D-BU/WH	7361	5-Volt Reference 2 - Manual Transmission Clutch Position Sensor	I	MV7
48	0.5	TN	6338	Manual Transmission Clutch Position Sensor Signal Position	I	MV7
49-50	-	-	-	Not Occupied	-	-
51	0.5	PK	339	Ignition 1 Voltage	I	-
52	0.5	RD/WH	340	Battery Positive Voltage	I	-
53	0.5	PU	1272	Low Reference	I	-
54-56	-	-	-	Not Occupied	-	-
57	0.5	WH	17	Stop Lamp Switch Signal	I	MYA
58	-	-	-	Not Occupied	-	-
59	0.5	D-GN	335	Low Speed Cooling Fan Relay Control	I	-
60-61	-	-	-	Not Occupied	-	-
62	0.5	PK/BK	5291	Ignition 1 Voltage	I	-
63	0.5	YE	447	Starter Relay Coil Control	I	-
64-65	-	-	-	Not Occupied	-	-
66	0.75	WH	1310	EVAP Canister Vent Solenoid Control	I	-
67	0.5	PK/BK	5292	Ignition 1 Voltage	I	-
68	0.5	OG/GN	7360	Manual Transmission Clutch Position Sensor Return	I	MV7
69	-	-	-	Not Occupied	-	-
70	0.5	D-BU	5985	Accessory Wakeup Serial Data	I	-
71	-	-	-	Not Occupied	-	-
72	0.5	BN	5069	PWR/TRN Relay Control	I	-
73	2	PK/BK	5290	PWR/TRN Relay Voltage	II	-