K20 Engine Control Module X1 (LE2)

WARNING: This page is about a different car, the 2019 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-1503
Service Connector: 13574946
Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with BU 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	13575812	J-35616-64B (LT BU)	J-38125-213	Not Available	Not Available	Not Available	Not Available
II	13579770	J-35616-35 (VT)	J-38125-11A	7116-4152-02	Yazaki 9	A	5

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1 - 6	-	-	-	Not Occupied	-	-
7	0.5	WH	7494	High Speed GMLAN Serial Data [-] 3	I	LE2
8	0.5	BU/BK	7493	High Speed GMLAN Serial Data [+] 3	I	LE2
9	0.5	BU	2500	High Speed GMLAN Serial Data [+] 1	I	LE2
10	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	I	LE2
11	0.5	BN/RD	1274	Accelerator Pedal Position 5V Reference 2	I	LE2
12	0.5	WH/RD	1164	Accelerator Pedal Position 5 Volt Reference 1	I	LE2
13	0.5	VT/YE	5985	Accessory Wake-Up Serial Data	I	LE2
14	0.5	VT/GY	139	Run/Crank Ignition 1 Voltage 1	I	LE2
15	0.5	RD/WH	140	Secondary Fused Battery Positive Voltage 1	I	LE2
16	0.75	VT/BU	5292	Powertrain Main Relay Fused Supply 3	I	LE2
17	0.5	YE	5530	Hood Open Switch Signal	I	LE2+KL9
18	0.5	GY/RD	3053	Turbocharger Intake Pressure Sensor High Reference Bank 1	I	LE2
19 - 24	-	-	-	Not Occupied	-	-
25	0.5	BK/YE	5382	Brake Position Sensor Low Reference	I	LE2
26	-	-	-	Not Occupied	-	-
27	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference 2	I	LE2
28	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference 1	I	LE2
29 - 31	-	-	-	Not Occupied	-	-
32	0.5	YE/VT	6030	Brake Vacuum Sensor Signal	I	LE2+KL9
33	0.5	GN/WH	1162	Accelerator Pedal Position Signal 2	I	LE2
34	0.5	GN/WH	492	Mass Air Flow Sensor Signal	I	LE2
35 - 36	-	-	-	Not Occupied	-	-
37	0.5	BN/RD	2700	A/C Pressure Sensor 5V Reference	I	LE2+(CJ2/C4P)
38 - 40	-	-	-	Not Occupied	-	-
41	0.5	WH/RD	5381	Brake Position Sensor 5V Reference	I	LE2
42 - 43	-	-	-	Not Occupied	-	-
44	0.5	YE/VT	4325	Starter Pinion Solenoid Actuator Relay Control	I	LE2
45	0.5	YE/WH	1161	Accelerator Pedal Position Signal 1	I	LE2
46	-	-	-	Not Occupied	-	-
47	0.5	BU/GY	636	Ambient Air Temperature Sensor Signal	I	LE2
48	0.5	WH/BU	6289	Intake Air Temperature Sensor Signal	I	LE2
49	0.5	WH/GY	1786	Transmission Park/Neutral Signal 1	I	LE2
50	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	I	LE2
51	0.5	VT/BU	5291	Powertrain Main Relay Fused Supply 2	I	LE2
52	0.5	GN/VT	335	Cooling Fan Low Speed Relay Control	I	LE2
53	-	-	-	Not Occupied	-	-
54	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	I	LE2+(CJ2/C4P)
55 - 56	-	-	-	Not Occupied	-	-
57	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	I	LE2+(CJ2/C4P)
58 - 59	-	-	-	Not Occupied	-	-
60	0.5	BN/GY	4008	Humidity Sensor Signal	I	LE2
61	0.5	WH/GN	5380	Brake Position Sensor Signal	I	LE2
62 - 63	-	-	-	Not Occupied	-	-
64	0.5	GN/GY	465	Fuel Pump Primary Relay Control	I	LE2
65	0.5	WH	1310	EVAP Vent Solenoid Valve Control	I	LE2
66	0.5	BN/YE	473	Cooling Fan High Speed Relay Control	I	LE2
67	0.5	YE	5991	Powertrain Relay Coil Control	I	LE2
68 - 69	-	-	-	Not Occupied	-	-
70	0.5	YE/BK	625	Starter Enable Relay Control	I	LE2
71	0.5	BN/WH	419	Check Engine Indicator Control	I	LE2
72	-	-	-	Not Occupied	-	-
73	2.5	VT/BU	5290	Powertrain Main Relay Fused Supply 1	II	LE2