K20 Engine Control Module X1 (LSY)

WARNING: This page is about a different car, the 2020 GMC Acadia. 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: 34822-0033
Service Connector: 19371186
Description: 66-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
I	13578937	J-35616-35 (VT)	J-38125-11A
II	19354746	J-35616-64B (LT BU)	J-38125-215A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	YE	5991	Powertrain Relay Coil Control	II	LSY
2	0.5	YE/BK	625	Starter Enable Relay Control	II	KL9+LSY
3	0.5	YE/VT	4325	Starter Pinion Solenoid Relay Control	II	KL9+LSY
4 - 5	-	-	-	Not Occupied	-	-
6	0.5	GN/BK	3616	Step Cam B Control	II	LSY
7	0.5	VT/GY	3615	Step Cam A Control	II	LSY
8	0.5	BU	3584	Camshaft Stepper A Control	II	LSY
9	0.5	GN	3585	Camshaft Stepper B Control	II	LSY
10	0.5	YE/BU	3587	Camshaft Stepper D Control	II	LSY
11	0.5	GY	3586	Camshaft Stepper C Control	II	LSY
12	0.5	BU/WH	3589	Camshaft Stepper Position Sensor 1 Signal	II	LSY
13	0.5	GN/WH	3592	Camshaft Stepper Position Sensor 2 Signal	II	LSY
14	0.5	BK/GN	3593	Camshaft Stepper Position Sensor 2 Ground	II	LSY
15	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	II	LSY
16	0.5	VT/BU	5291	Powertrain Main Relay Fused Supply 2	II	LSY
17	0.5	GN/GY	465	Fuel Pump Primary Relay Control	II	LSY
18	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	II	LSY
19	0.5	BN/WH	419	Check Engine Indicator Control	II	LSY
20 - 21	-	-	-	Not Occupied	-	-
22	0.5	GY/YE	1502	Camshaft Intake Stepper Cylinder 4 Rear Solenoid Control	II	LSY
23	0.5	GN/YE	1402	Camshaft Intake Stepper Cylinder 4 Front Solenoid Control	II	LSY
24	0.5	YE/VT	6265	Camshaft Exhaust Stepper Cylinder 2 Rear Solenoid Control	II	LSY
25	0.5	VT/BK	6264	Camshaft Exhaust Stepper Cylinder 2 Front Solenoid Control	II	LSY
26	0.5	GY/BN	6262	Camshaft Exhaust Stepper Cylinder 3 Rear Solenoid Control	II	LSY
27	0.5	GN/BN	6261	Camshaft Exhaust Stepper Cylinder 3 Front Solenoid Control	II	LSY
28	0.5	YE/BN	1702	Camshaft Intake Stepper Cylinder 4 Position Sensor Signal	II	LSY
29	0.5	GN/BK	6266	Camshaft Exhaust Stepper Cylinder 2 Position Signal	II	LSY
30	0.5	YE	6263	Camshaft Exhaust Stepper Cylinder 3 Position Signal	II	LSY
31	-	-	-	Not Occupied	-	-
32	0.5	VT/GY	139	Run/Crank Ignition 1 Voltage	II	LSY
33	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference 1	II	LSY
34	0.5	VT/GN	3745	Camshaft Intake Lobe Axial Position Signal 2	II	LSY
35	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference 2	II	LSY
36	0.5	YE/GN	3747	Camshaft Exhaust Lobe Axial Position Signal 2	II	LSY
37	0.5	YE	4063	Hood Status A Signal	II	LSY
38	-	-	-	Not Occupied	-	-
39	0.5	YE/WH	1161	Accelerator Pedal Position Signal 1	II	LSY
40 - 41	-	-	-	Not Occupied	-	-
42	0.5	GN/BK	4624	Local Interconnect Network Serial Data Bus 24	II	LSY
43 - 44	-	-	-	Not Occupied	-	-
45	0.5	WH	4499	High Speed GMLAN Serial Data [-] 7	II	LSY
46	0.5	BU/BN	4498	High Speed GMLAN Serial Data [+] 7	II	LSY
47	0.5	GN/WH	492	Mass Air Flow Sensor Signal	II	LSY
48	0.5	RD/WH	140	Battery Positive Voltage	II	LSY
49	0.5	WH/RD	1164	Accelerator Pedal Position 5V Reference 1	II	LSY
50	0.5	VT/WH	3744	Camshaft Intake Lobe Axial Position Signal 1	II	LSY
51	0.5	BN/RD	1274	Accelerator Pedal Position 5V Reference 2	II	LSY
52	0.5	YE/WH	3746	Camshaft Exhaust Lobe Axial Position Signal 1	II	LSY
53	0.5	BU/GY	636	Outside Ambient Air Temperature Sensor Signal	II	LSY
54	0.5	YE/BK	942	-	II	LSY
55	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	II	LSY
56	0.5	WH/GN	5380	Brake Position Sensor Signal	II	LSY
57	0.5	GN/WH	1162	Accelerator Pedal Position Signal 2	II	LSY
58	-	-	-	Not Occupied	-	-
59	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	II	-
60	0.5	BU	2500	High Speed GMLAN Serial Data [+] 1	II	-
61	-	-	-	Not Occupied	-	-
62	0.5	VT/YE	5985	Accessory Wake-Up Serial Data	II	LSY
63	0.5	WH	7494	High Speed GMLAN Serial Data [-] 3	II	LSY
64	0.5	BU/BK	7493	High Speed GMLAN Serial Data [+] 3	II	LSY
65	2	BK/WH	451	Signal Ground	I	LSY
66	2	VT/BU	5292	Powertrain Main Relay Fused Supply 3	I	LSY