K20 Engine Control Module X1 (LT1)

WARNING: This page is about a different car, the 2018 Chevrolet Camaro. 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: 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	19330179	J-35616-64B (LT BU)	J-38125-12A	Not Available	Not Available	Not Available	Not Available
II	19368324	J-35616-4A (PU)	J-38125-11A	7116-4152-02	Yazaki 9	A	5

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	-	-	-	Not Occupied	-	-
2	0.5	BU/WH	7446	Fuel Line Pressure Sensor Signal	I	G96+LT1
3	-	-	-	Not Occupied	-	-
4	0.5	YE/WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	I	LT1
5	0.5	WH/RD	3201	Throttle Inlet Absolute Pressure Sensor 5V Reference	I	LT1
6	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	I	LT1
7	0.5	YE	5530	Hood Open Switch Signal	I	LT1
8	0.5	BK/YE	7447	Fuel Line Pressure Sensor Low Reference	I	G96+LT1
9	0.5	BU/WH	890	Fuel Tank Pressure Sensor Signal	I	LT1
10	0.5	YE/RD	2709	Fuel Tank Pressure Sensor 5V Reference	I	LT1
11 - 13	-	-	-	Not Occupied	-	-
14	0.5	WH/RD	1164	Accelerator Pedal Position 5V Reference 1	I	LT1
15	0.5	YE/WH	1161	Accelerator Pedal Position Signal 1	I	LT1
16 - 20	-	-	-	Not Occupied	-	-
21	0.5	BN/RD	2700	A/C Pressure Sensor 5V Reference	I	LT1
22	0.5	BK/WH	2151	Signal Ground	I	LT1
23	-	-	-	Not Occupied	-	-
24	0.5	BN/RD	7445	Fuel Line Pressure Sensor 5V Reference	I	G96+LT1
25	0.5	BU/VT	1589	Primary Fuel Level Sensor Signal	I	LT1
26	0.5	BK/WH	2151	Signal Ground	I	LT1
27	0.5	BU/WH	1937	Secondary Fuel Level Sensor Signal	I	LT1
28 - 29	-	-	-	Not Occupied	-	-
30	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference 1	I	LT1
31	-	-	-	Not Occupied	-	-
32	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	I	LT1
33	0.5	BN/RD	1274	Accelerator Pedal Position 5V Reference 2	I	LT1
34	0.5	GN/WH	1162	Accelerator Pedal Position Signal 2	I	LT1
35	0.5	VT/WH	6384	Reverse Lockout Signal	I	LT1+MM6
36	0.5	BU/BK	7493	High Speed GMLAN Serial Data (+) 3	I	G96+LT1
37	0.5	WH	7494	High Speed GMLAN Serial Data (-) 3	I	G96+LT1
38	-	-	-	Not Occupied	-	-
39	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	I	-
40	0.5	WH	2501	High Speed GMLAN Serial Data (-) 1	I	-
41	0.5	BU/WH	2918	Fuel Rail Pressure Sensor Signal	I	LT1
42 - 43	-	-	-	Not Occupied	-	-
44	0.5	GN/GY	465	Fuel Pump Primary Relay Control	I	-
45	-	-	-	Not Occupied	-	-
46	0.5	BN/WH	419	Check Engine Indicator Control	I	LT1
47	0.5 0.5	WH/RD GY/RD	5381 6109	Brake Position Sensor 5V Reference Clutch Apply Sensor 5V Reference	I I	LT1+M5U LT1+MM6
48	0.5 0.5	WH/GN YE	5380 6111	Brake Position Sensor Signal Clutch Apply Sensor Signal	I I	LT1+M5U LT1+MM6
49 - 50	-	-	-	Not Occupied	-	-
51	0.5	VT/GN	439	Run/Crank Ignition 1 Voltage	I	LT1
52	0.5	RD/BN	440	Battery Positive Voltage	I	LT1
53	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference 2	I	LT1
54 - 56	-	-	-	Not Occupied	-	-
57	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	I	LT1
58	-	-	-	Not Occupied	-	-
59	0.5	WH/BK	2366	Cooling Fan Control Relay Speed Signal	I	LT1
60 - 61	-	-	-	Not Occupied	-	-
62	0.5	VT/BU	5291	Powertrain Main Relay Fused Supply 2	I	LT1
63	0.5	VT/GY	6386	Starter Enable Relay (PPEI 3) Control	I	LT1
64 - 65	-	-	-	Not Occupied	-	-
66	0.5	WH	1310	EVAP Canister Vent Solenoid Control	I	LT1
67	0.5	VT/BU	5292	Powertrain Main Relay Fused Supply 3	I	LT1
68	0.5 0.5	BK/YE BK/GY	5382 6110	Brake Position Sensor Low Reference Clutch Apply Sensor Low Reference	I I	LT1+M5U LT1+MM6
69	-	-	-	Not Occupied	-	-
70	0.5	VT/YE	5985	Accessory Wakeup Serial Data	I	-
71	-	-	-	Not Occupied	-	-
72	0.5	YE	5991	Powertrain Relay Coil Control	I	LT1
73	3	VT/BU	5290	Powertrain Main Relay Fused Supply 1	II	LT1