K20 Engine Control Module X1 (LCV/LTG)

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 0.5	BU BU	2500 2500	High Speed GMLAN Serial Data (+) 1 High Speed GMLAN Serial Data (+) 1	II II	LCV LTG
10	0.5 0.5	WH WH	2501 2501	High Speed GMLAN Serial Data (-) 1 High Speed GMLAN Serial Data (-) 1	II II	LCV LTG
11	0.5 0.5	BN/RD BN/RD	1274 1274	Accelerator Pedal Position 5V Reference 2 Accelerator Pedal Position 5V Reference 2	II II	LCV LTG
12	0.5 0.5	WH/RD WH/RD	1164 1164	Accelerator Pedal Position 5V Reference 1 Accelerator Pedal Position 5V Reference 1	II II	LCV LTG
13	0.5 0.5	VT/YE VT/YE	5985 5985	Accessory Wakeup Serial Data Accessory Wakeup Serial Data	II II	LCV LTG
14	0.5 0.5	VT/GN VT/GN	439 439	Run/Crank Ignition 1 Voltage Run/Crank Ignition 1 Voltage	II II	LCV LTG
15	0.5 0.5	RD/WH RD/WH	140 140	Battery Positive Voltage Battery Positive Voltage	II II	LCV LTG
16	0.75 0.75	VT/BU VT/BU	5292 5292	Powertrain Main Relay Fused Supply 3 Powertrain Main Relay Fused Supply 3	II II	LCV LTG
17	0.5 0.5	YE YE	5530 5530	Hood Open Switch Signal Hood Open Switch Signal	II II	LCV LTG
18	0.5	GY/RD	3053	Turbo Intake Pressure Sensor High Reference Bank 1	II	LTG
19 - 22	-	-	-	Not Occupied	-	-
23	0.5	BK/GY	3927	IMS Mode Switch Low Reference	II	LTG+M3T
24	-	-	-	Not Occupied	-	-
25	0.5 0.5	BK/YE BK/YE	5382 5382	Brake Position Sensor Low Reference Brake Position Sensor Low Reference	II II	LCV LTG
26	-	-	-	Not Occupied	-	-
27	0.5 0.5	BK/VT BK/VT	1272 1272	Accelerator Pedal Position Low Reference 2 Accelerator Pedal Position Low Reference 2	II II	LCV LTG
28	0.5 0.5	BK/BU BK/BU	1271 1271	Accelerator Pedal Position Low Reference 1 Accelerator Pedal Position Low Reference 1	II II	LCV LTG
29 - 31	-	-	-	Not Occupied	-	-
32	0.5 0.5	YE/VT YE/VT	6030 6030	Brake Vacuum Sensor Signal Brake Vacuum Sensor Signal	II II	LCV LTG
33	0.5 0.5	GN/WH GN/WH	1162 1162	Accelerator Pedal Position Signal 2 Accelerator Pedal Position Signal 2	II II	LCV LTG
34	0.5 0.5	GN/WH GN/WH	492 492	Mass Air Flow Sensor Signal Mass Air Flow Sensor Signal	II II	LCV LTG
35 - 36	-	-	-	Not Occupied	-	-
37	0.5 0.5	BN/RD BN/RD	2700 2700	A/C Pressure Sensor 5V Reference A/C Pressure Sensor 5V Reference	II II	LCV LTG
38	-	-	-	Not Occupied	-	-
39	0.5	YE/BU	4171	Transmission Position Sensor A 9V Reference	II	LTG+M3T
40	-	-	-	Not Occupied	-	-
41	0.5 0.5	WH/RD WH/RD	5381 5381	Brake Position Sensor 5V Reference Brake Position Sensor 5V Reference	II II	LCV LTG
42 - 43	-	-	-	Not Occupied	-	-
44	0.5 0.5	YE/BK YE/BK	625 625	Starter Enable Relay Control Starter Enable Relay Control	II II	LCV LTG
45	0.5 0.5	YE/WH YE/WH	1161 1161	Accelerator Pedal Position Signal 1 Accelerator Pedal Position Signal 1	II II	LCV LTG
46	-	-	-	Not Occupied	-	-
47	0.5 0.5	BU/GY BU/GY	636 636	Outside Ambient Air Temperature Sensor Signal Outside Ambient Air Temperature Sensor Signal	II II	LCV LTG
48	0.5 0.5	WH/BU WH/BU	6289 6289	Induction Air Temperature Sensor Signal Induction Air Temperature Sensor Signal	II II	LCV LTG
49	0.5	WH/GY	1786	Transmission Park/Neutral Signal 1	II	LCV+MHG
50	0.5 0.5	WH/BU WH/BU	6311 6311	Cruise/ETC/TCC Brake Signal Cruise/ETC/TCC Brake Signal	II II	LCV LTG
51	0.5 0.5	VT/BU VT/BU	5291 5291	Powertrain Main Relay Fused Supply 2 Powertrain Main Relay Fused Supply 2	II II	LCV LTG
52	0.5 0.5	WH/BK WH/BK	2366 2366	Cooling Fan Control Relay Speed Signal Cooling Fan Control Relay Speed Signal	II II	LCV LTG
53	-	-	-	Not Occupied	-	-
54	0.5 0.5	WH/GY WH/GY	459 459	A/C Compressor Clutch Relay Control A/C Compressor Clutch Relay Control	II II	LCV LTG
55 - 56	-	-	-	Not Occupied	-	-
57	0.5 0.5	GN GN	380 380	A/C Refrigerant Pressure Sensor Signal A/C Refrigerant Pressure Sensor Signal	II II	LCV LTG
58	-	-	-	Not Occupied	-	-
59	0.5	WH/BU	5726	Ignition Mode Switch Mode Control Backup	II	LTG+M3T
60	0.5 0.5	BN/GY BN/GY	4008 4008	Humidity Sensor Signal Humidity Sensor Signal	II II	LCV LTG
61	0.5 0.5	WH/GN WH/GN	5380 5380	Brake Position Sensor Signal Brake Position Sensor Signal	II II	LCV LTG
62 - 63	-	-	-	Not Occupied	-	-
64	0.5 0.5	GY GY	5660 5660	Fuel Pump Controller Data Out Signal Fuel Pump Controller Data Out Signal	II II	LCV LTG
65	0.5	WH	1310	EVAP Canister Vent Solenoid Control	II	NUB/NTB
66	0.5 0.5	GY GY	5127 5127	After Boil Heater Relay Control After Boil Heater Relay Control	II II	LCV+EF7/Z49/CV3 LTG
67	0.5 0.5	YE YE	5991 5991	Powertrain Relay Coil Control Powertrain Relay Coil Control	II II	LCV LTG
68 - 69	-	-	-	Not Occupied	-	-
70	0.5 0.5	YE/VT YE/VT	4325 4325	Starter Pinion Solenoid Relay Control Starter Pinion Solenoid Relay Control	II II	LCV LTG
71	0.5 0.5	BN/WH BN/WH	419 419	Check Engine Indicator Control Check Engine Indicator Control	II II	LCV LTG
72	-	-	-	Not Occupied	-	-
73	2 2	VT/BU VT/BU	5290 5290	Powertrain Main Relay Fused Supply 1 Powertrain Main Relay Fused Supply 1	I I	LCV LTG