Engine Control Module (ECM) X1 (LCS)

Fig 1: Engine Control Module (ECM) X1 (LCS) Connector End View

Courtesy of GENERAL MOTORS CORP.

Engine Control Module (ECM) X1 (LCS)

Pin	Wire	Circuit	Function
1	0.8 L-GN	5282	Camshaft Phaser Exhaust Solenoid (1)
2	0.8 PU	5284	Camshaft Phaser Intake Solenoid (1)
3	1 PU/WH	4906	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 6
4	1 BN	4806	Direct Fuel Injector (DFI) High Voltage Control Cylinder 6
5	1 YE	7301	High Pressure Fuel Pump Actuator High Control
6	0.5 D-GN/WH	428	EVAP Canister Purge Solenoid Control
7	0.5 OG	5275	Camshaft Position Intake Sensor (1)
8	0.5 PU	5531	Hood Closed Switch Signal
9	0.5 PU	5274	Camshaft Position Exhaust Sensor (2)
10-14	-	-	Not Used
15	0.5 GY	705	5-Volt Reference
16-17	-	-	Not Used
18	0.5 TN	2022	Coolant Pump Control
19	0.5 YE	5530	Hood Open Switch Signal
20	-	-	Not Used
21	0.5 YE	954	5 Volt Reference
22	-	-	Not Used
23	0.5 YE	955	Low Reference
24	0.5 YE	581	TAC Motor Control - 1
25	0.8 WH	5283	Camshaft Phaser Exhaust Solenoid (2)
26	1 D-GN	4803	Direct Fuel Injector (DFI) High Voltage Control Cylinder 3
27	1 D-GN/WH	4903	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3
28	1 L-GN	4805	Direct Fuel Injector (DFI) High Voltage Control Cylinder 5
29	1 L-GN/WH	4905	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 5
30-32	-	-	Not Used
33	0.5 YE	5276	Camshaft Position (CMP) Sensor Signal - Bank 2 Intake
34	0.5 D-GN	5273	Camshaft Position Exhaust Sensor (1)
35	0.5 YE	573	Crankshaft Position Sensor Signal (1)
36	0.5 YE	2918	Fuel Rail Pressure Sensor Signal
37	-	-	Not Used
38	0.5 GY	598	5 Volt Reference 1
39	0.5 GY	2701	5 Volt Reference 3
40	0.5 GY	596	5 Volt Reference 1
41	0.5 TN	552	Low Reference
42	0.5 TN	808	Low Reference
43	0.5 TN	470	Low Reference
44	0.5 TN	476	Low Reference
45	0.5 GY	605	5 Volt Reference
46	0.5 TN	452	Low Reference
47	-	-	Not Used
48	0.5 BN	582	TAC Motor Control - 2
49	0.8 OG	5272	Camshaft Position (CMP) Actuator Solenoid Control - Bank 2 Intake
50	1 L-BU	4804	Direct Fuel Injector (DFI) High Voltage Control Cylinder 4
51	1 BN	4801	Direct Fuel Injector (DFI) High Voltage Control Cylinder 1
52	1 D-BU	4802	Direct Fuel Injector (DFI) High Voltage Control Cylinder 2
53	1 D-BU/WH	4902	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2
54	-	-	Not Used
55	0.5PU	2121	Ignition Control (1)
56	0.5 L-BU	2123	Ignition Control (3)
57	0.5 D-GN	2125	Ignition Control (5)
58	-	-	Not Used
59	0.5 D-BU	496	Knock Sensor Signal (1)
60	0.5 GY	2303	Knock Sensor Low Reference (2)
61	0.5 TN/WH	331	Oil Pressure Sensor Signal
62-66	-	-	Not Used
67	0.5 TN/WH	3111	Heated Oxygen Sensor Low Signal Bank 1 Sensor (1)
68	0.5 WH	5279	Heated Oxygen Sensor Pump Current Bank 1 Sensor (1)
69	0.5 OG	5280	Heated Oxygen Sensor Input Pump Current Bank 2 Sensor (1)
70	0.5 PU/WH	3210	Heated Oxygen Sensor High Signal Bank 2 Sensor (1)
71	-	-	Not Used
72	0.8 L-GN	3212	Heated Oxygen Sensor Heater Low Control Bank 2 Sensor (1)
73	1 PU	7300	High Pressure Fuel Pump Actuator Low Control
74	1 L-BU/WH	4904	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4
75	1 BN/WH	4901	Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1
76	0.5 PK/BK	5291	Powertrain Main Relay Fused Supply (2)
77	0.5 PK/BK	5292	Powertrain Main Relay Fused Supply (3)
78	-	-	Not Used
79	0.5 OG/WH	2122	Ignition Control (2)
80	0.5 D-GN/WH	2124	Ignition Control (4)
81	0.5 L-BU/WH	2126	Ignition Control (6)
82	0.5 YE	410	Engine Coolant Temperature Sensor Signal
83	0.5 GY	1716	Knock Sensor Low Reference (1)
84	0.5 L-BU	1876	Knock Sensor Signal (2)
85-87	-	-	Not Used
88	0.5 TN	2752	Low Reference
89	0.5 PU	486	Throttle Position Sensor Signal (2)
90	0.5 D-GN	485	Throttle Position Sensor Signal (1)
91	0.5 L-GN	5278	Heated Oxygen Sensor Input Pump Current Bank 1 Sensor (1)
92	0.5 PU/WH	3110	Heated Oxygen Sensor High Signal Bank 1 Sensor (1)
93	0.5 TN/WH	3211	Heated Oxygen Sensor Low Signal Bank 2 Sensor (1)
94	0.5PU/WH	5281	Heated Oxygen Sensor Pump Current Bank 2 Sensor (1)
95	-	-	Not Used
96	0.8 GY	3113	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1)

Connector Part Information  OEM: 1928404927 Service: See Catalog Description: 96-Way F 120 Series, Sealed (BK)

Terminal Part Information  Pins: 7, 9, 12-13, 18-20, 26, 31-37, 40, 44, 46-49, 53-96 Terminal/Tray: 33467-0003/23 Core/Insulation Crimp: H/H Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)