Engine Control Module (ECM) X2 (LE5)

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Control Module (ECM) X2 (LE5) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	-	-	Not Used
2	0.35 BN/WH	6331	AIR Solenoid Signal (NU6)
3	0.5 PU	421	AIR Solenoid Relay Control (NU6)
4	0.35 TN	2761	Low Reference
5	0.5 PU	574	Low Reference
6	0.35 TN	1744	Fuel Injector (1) Control
7	0.35 PK/BK	1746	Fuel Injector (3) Control
8	0.35 L-BU/BK	844	Fuel Injector (4) Control
9	0.35 BN	2129	Low Reference
10	0.35 L-GN/BK	1745	Fuel Injector (2) Control
11-12	-	-	Not Used
13	0.35 GY	2704	5-Volt Reference 1 (M86)
13	0.35 PU/WH	2704	5-Volt Reference 1 (MN5)
14	0.5 L-GN	5282	Camshaft Phaser Exhaust Solenoid 1
15	0.5 PU	5284	Cam Solenoid Control
16	0.5 YE	581	TAC Motor Control (1)
17-19	-	-	Not Used
20	0.5 TN	5301	Low Reference
21	0.5 GY	5296	Low Reference
22	0.35 PU	2121	Ignition Control (1)
23	0.35 L-BU	2123	Ignition Control (3)
24	0.35 D-GN/WH	2124	Ignition Control (4)
25	-	-	Not Used
26	0.35 OG/WH	2122	Ignition Control (2)
27-29	-	-	Not Used
30	0.35 D-GN/WH	428	EVAP Canister Purge Solenoid Control
31	0.35 OG	225	Generator Turn On Signal
32	0.5 BN	582	TAC Motor Control (2)
33	0.5 D-BU	5300	5-Volt Reference 1
34	0.5 YE/BK	5297	5-Volt Reference 1
35	0.5 GY	6255	5-Volt Reference (C67)
36	-	-	Not Used
37	0.5 PU/WH	3110	Heated Oxygen Sensor High Signal Sensor 1
38	0.5 PU	3120	Heated Oxygen Sensor High Signal Sensor 2
39	0.5 L-GN	432	Manifold Absolute Pressure Sensor Signal
40	0.5 TN	2752	Low Reference
41	0.5 PU/WH	6256	Low Reference (C67 with M86)
41	0.5 BK/WH	6256	Low Reference (C67 with MN5)
42	0.35 TN	2760	Low Reference
43	0.35 GY/WH	23	Generator Field Duty Cycle Signal
44	-	-	Not Used
45	0.5 YE	573	Crankshaft Position Sensor Signal
46	0.5 OG	5275	CMP Sensor Signal 1
47	0.5 D-GN	5273	CMP Sensor Signal 2
48	0.5 TN/WH	3111	Heated Oxygen Sensor Low Signal Sensor 1
49	0.5 OG/BK	469	Low Reference
50	0.5 GY	1716	Knock Sensor Signal
51	0.5 D-BU	496	Knock Sensor Signal
52	-	-	Not Used
53	0.5 GY	2701	5-Volt Reference 2
54	0.5 L-GN	2867	5-Volt Reference 2
55-56	-	-	Not Used
57	0.5 D-GN	485	Throttle Position Sensor (1) Signal
58	0.35 YE	410	Engine Coolant Temperature Sensor Signal
59	0.5 PU	486	Throttle Position Sensor (2) Signal
60	0.5 BN	6753	CMP Actuator Solenoid Bank 1 - Intake Low Reference
61	0.5 BN/WH	6754	CMP Actuator Solenoid Bank 1 - Exhaust Low Reference
62-63	-	-	Not Used
64	0.35 TN	407	Low Reference (NU6)
65	0.5 GY/WH	3113	Heated Oxygen Sensor Heater Low Control Sensor 1
66	0.5 GY/WH	3122	Heated Oxygen Sensor Heater Low Control Sensor 2
67	0.35 TN/BK	231	Oil Pressure Switch Signal
68	0.5 TN/WH	3121	Heated Oxygen Sensor Low Signal Sensor 2
69-72	-	-	Not Used
73	2 BK/WH	451	Signal Ground

Connector Part Information

OEM: 13610160
Service: See Catalog
Description: 73-Way F MX 123 Series Sealed (GY)

Terminal Part Information

Pins: 73
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Pins: 5, 9, 13, 20, 22-24, 26, 30-31, 33, 35, 39, 41-43, 45-46, 49-51, 54, 58, 67
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: C
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 6-8, 10, 16, 32, 37-38, 40, 48, 53, 57, 59, 65-66, 68
Terminal/Tray: 33467-0003/23
Core/Insulation Crimp: C
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)