K20 Engine Control Module X1 (LCV)

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-7673
Service Connector: 13574782
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 - 6	-	-	-	Not Occupied	-	-
7	0.5	WH	7494	High Speed GMLAN Serial Data (-)3	II	LTG/LCV
8	0.5	BU/BK	7493	High Speed GMLAN Serial Data (+)3	II	LTG/LCV
9	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	II	LCV
10	0.5	WH	2501	High Speed GMLAN Serial Data (-) 1	II	LCV
11	0.5	BN/RD	1274	Accelerator Pedal Position 5V Reference 2	II	LCV
12	0.5	WH/RD	1164	Accelerator Pedal Position 5V Reference 1	II	LCV
13	0.5	VT/YE	5985	Accessory Wakeup Serial Data	II	LCV
14	0.5	VT/GN	439	Run/Crank Ignition 1 Voltage	II	LCV
15	0.5	RD/WH	140	Battery Positive Voltage	II	LCV
16	0.75	VT/BU	5292	Powertrain Main Relay Fused Supply 3	II	LCV
17	0.5	YE	5530	Hood Open Switch Signal	II	LCV
18 - 24	-	-	-	Not Occupied	-	-
25	0.5	BK/YE	5382	Brake Position Sensor Low Reference	II	LCV
26	-	-	-	Not Occupied	-	-
27	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference 2	II	LCV
28	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference 1	II	LCV
29 - 31	-	-	-	Not Occupied	-	-
32	0.5	YE/VT	6030	Brake Vacuum Sensor Signal	II	LCV
33	0.5	GN/WH	1162	Accelerator Pedal Position Signal 2	II	LCV
34	0.5	GN/WH	492	Mass Air Flow Sensor Signal	II	LCV
35 - 36	-	-	-	Not Occupied	-	-
37	0.5	BN/RD	2700	A/C Pressure Sensor 5V Reference	II	LCV
38 - 40	-	-	-	Not Occupied	-	-
41	0.5	WH/RD	5381	Brake Position Sensor 5V Reference	II	LCV
42 - 43	-	-	-	Not Occupied	-	-
44	0.5	YE/BK	625	Starter Enable Relay Control	II	LCV
45	0.5	YE/WH	1161	Accelerator Pedal Position Signal 1	II	LCV
46	-	-	-	Not Occupied	-	-
47	0.5	BU/GY	636	Outside Ambient Air Temperature Sensor Signal	II	LCV
48	0.5	WH/BU	6289	Induction Air Temperature Sensor Signal	II	LCV
49	0.5	WH/GY	1786	Transmission Park/Neutral Signal 1	II	LCV+MHG
50	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	II	LCV
51	0.5	VT/BU	5291	Powertrain Main Relay Fused Supply 2	II	LCV
52	0.5	WH/BK	2366	Cooling Fan Control Relay Speed Signal	II	LCV
53	-	-	-	Not Occupied	-	-
54	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	II	LCV
55 - 56	-	-	-	Not Occupied	-	-
57	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	II	LCV
58 - 59	-	-	-	Not Occupied	-	-
60	0.5	BN/GY	4008	Humidity Sensor Signal	II	LCV
61	0.5	WH/GN	5380	Brake Position Sensor Signal	II	LCV
62 - 63	-	-	-	Not Occupied	-	-
64	0.5	GY	5660	Fuel Pump Controller Data Out Signal	II	LCV
65	0.5	WH	1310	EVAP Canister Vent Solenoid Control	II	-
66	0.5	GY	5127	After Boil Heater Relay Control	II	LCV+EF7/Z49/CV3
67	0.5	YE	5991	Powertrain Relay Coil Control	II	LCV
68 - 69	-	-	-	Not Occupied	-	-
70	0.5	YE/VT	4325	Starter Pinion Solenoid Relay Control	II	LCV
71	0.5	BN/WH	419	Check Engine Indicator Control	II	LCV
72	-	-	-	Not Occupied	-	-
73	2	VT/BU	5290	Powertrain Main Relay Fused Supply 1	I	LCV