K20 Engine Control Module X1 (LGX)

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Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 12615655
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	13579770	J-35616-4A (PU)	J-38125-11A	7116-4152-02	Yazaki 9	2	5
II	19330179	J-35616-64B (LT BU)	J-38125-12A	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1 - 4	-	-	-	Not Occupied	-	-
5	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference 2	II	LGX
6	0.5	YE/WH	1161	Accelerator Pedal Position Signal 1	II	LGX
7	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference 1	II	LGX
8	-	-	-	Not Occupied	-	-
9	0.5	BK/YE	5382	Brake Position Sensor Low Reference	II	LGX
10 - 11	-	-	-	Not Occupied	-	-
12	0.5	WH	2501	High Speed GMLAN Serial Data (-) 1	II	LGX
13	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	II	LGX
14	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	II	LGX
15	0.5	YE	5991	Powertrain Relay Coil Control	II	-
16	0.5	BN/WH	419	Check Engine Indicator Control	II	LGX
17	0.5	WH/BK	2366	Cooling Fan Control Relay Speed Signal	II	LGX
18 - 20	-	-	-	Not Occupied	-	-
21	0.5	BN/RD	1274	Accelerator Pedal Position 5V Reference 2	II	LGX
22	0.5	GN/WH	1162	Accelerator Pedal Position Signal 2	II	LGX
23	0.5	WH/RD	1164	Accelerator Pedal Position 5V Reference 1	II	LGX
24	-	-	-	Not Occupied	-	-
25	0.5	WH/RD	5381	Brake Position Sensor 5V Reference	II	LGX
26	0.5	WH/GN	5380	Brake Position Sensor Signal	II	LGX
27	-	-	-	Not Occupied	-	-
28	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	II	LGX
29	0.5	WH/GY	1786	Transmission Park/Neutral Signal 1	II	LGX+M5N
30	0.5	GN/WH	492	Mass Air Flow Sensor Signal	II	LGX
31	0.5	YE/VT	4325	Starter Pinion Solenoid Relay Control	II	LGX
32 - 33	-	-	-	Not Occupied	-	-
34	0.5	GY	5127	After Boil Heater Relay Control	II	LGX
35 - 37	-	-	-	Not Occupied	-	-
38	0.5	BU/WH	890	Fuel Tank Pressure Sensor Signal	II	LGX
39	0.5	BN/GY	4008	Humidity Sensor Signal	II	LGX
40 - 43	-	-	-	Not Occupied	-	-
44	0.5	BK/WH	2151	Signal Ground	II	LGX
45	0.5	YE/RD	6031	Brake Vacuum Sensor 5V Reference	II	LGX
46	0.5	GY	4109	Driver Mode Switch 5V Reference	II	LGX
47	0.5	BN/RD	2700	A/C Pressure Sensor 5V Reference	II	-
48	-	-	-	Not Occupied	-	-
49	0.5	VT/BU	5292	Powertrain Main Relay Fused Supply 3	II	LGX
50	0.5	VT/BU	5291	Powertrain Main Relay Fused Supply 2	II	LGX
51	0.5	VT/YE	5985	Accessory Wakeup Serial Data	II	LGX
52	0.5	RD/BN	440	Battery Positive Voltage	II	LGX
53	-	-	-	Not Occupied	-	-
54	0.5	WH	1310	EVAP Canister Vent Solenoid Control	II	LGX
55	-	-	-	Not Occupied	-	-
56	0.5	BN/GN	109	Hood Ajar Switch Signal	II	LGX
57 - 63	-	-	-	Not Occupied	-	-
64	0.5	BU/GY	636	Outside Ambient Air Temperature Sensor Signal	II	LGX
65	0.5	YE/VT	6030	Brake Vacuum Sensor Signal	II	LGX
66	0.5	WH/VT	4108	Driver Mode Switch Signal	II	LGX
67	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	II	-
68	-	-	-	Not Occupied	-	-
69	0.5	GN/GY	465	Fuel Pump Primary Relay Control	II	LGX
70	0.5	YE/BK	625	Starter Enable Relay Control	II	LGX
71	0.5	VT/GN	439	Run/Crank Ignition 1 Voltage	II	-
72	0.5	VT/BU	5292	Powertrain Main Relay Fused Supply 3	II	LGX
73	2	VT/BU	5290	Powertrain Main Relay Fused Supply 1	I	LGX