Engine Control Module (ECM) X2 (LE5)

Fig 1: Engine Control Module (ECM) X2 (LE5)

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1-3	-	-	Not Used
4	0.5 TN	2761	Low Reference
5	0.5 GY/BK	6272	Crankshaft Position Sensor Low Reference
6	0.5 TN	1744	Fuel Injector 1 Control
7	0.5 PK/BK	1746	Fuel Injector 3 Control
8	0.5 L-BU/BK	844	Fuel Injector 4 Control
9	0.5 BN	2129	Low Reference
10	0.5 L-GN/BK	1745	Fuel Injector 2 Control
11-12	-	-	Not Used
13	0.5 GY	2704	5-Volt Reference
14	0.5 WH/BK	6396	Camshaft Position (CMP) Actuator Solenoid Control Exhaust
15	0.5 PK/BK	6395	Camshaft Position (CMP) Actuator Solenoid Control - Intake
16	0.75 YE	581	TAC Motor Control - 1
17-19	-	-	Not Used
20	0.5 BN	6266	Camshaft Position (CMP) Sensor Low Reference - Intake
21	0.5 PU	6267	Camshaft Position (CMP) Sensor Low Reference - Exhaust
22	0.5 PU	2121	IC 1 Control
23	0.5 L-BU	2123	IC 3 Control
24	0.5 D-GN/WH	2124	IC 4 Control
25	-	-	Not Used
26	0.5 OG/WH	2122	IC 2 Control
27-29	-	-	Not Used
30	0.5 D-GN/WH	428	EVAP Canister Purge Solenoid Control
31	0.5 OG	225	Generator Turn On Signal
32	0.75 BN	582	TAC Motor Control - 2
33	0.5 D-BU	6259	Camshaft Position (CMP) Sensor 5-Volt Reference - Intake
34	0.5 D-GN	6457	Camshaft Position (CMP) Sensor 5-Volt Reference - Exhaust
35-36	-	-	Not Used
37	0.5 PU/WH	3110	HO2S Reference Voltage Bank 1 Sensor 1
38	-	-	Not Used
39	0.5 L-GN	432	MAP Sensor Signal
40	0.5 TN	2752	Low Reference
41-42	-	-	Not Used
43	0.5 GY	23	Generator Field Duty Cycle Signal
44	-	-	Not Used
45	0.5 WH/BK	6271	Crankshaft Position Sensor Signal
46	0.5 D-BU/WH	6265	Camshaft Position (CMP) Sensor Signal - Intake
47	0.5 D-GN/WH	6264	Camshaft Position (CMP) Sensor Signal - Exhaust
48	0.5 TN/WH	3111	HO2S Low Reference Bank 1 Sensor 1
49	0.5 OG/BK	469	Low Reference
50	0.5 GY	1716	Low Reference
51	0.5 D-BU	496	Knock Sensor 1 Signal
52	-	-	Not Used
53	0.5 GY	2701	5-Volt Reference
54	0.5 PU/WH	6270	Crankshaft Position Sensor 5-Volt Reference
55-56	-	-	Not Used
57	0.5 D-GN	485	TP Sensor 1 Signal
58	0.5 YE	410	ECT Sensor Signal
59	0.5 PU	486	TP Sensor 2 Signal
60	0.5 BN	6753	Camshaft Position (CMP) Actuator Solenoid Low Reference
61	0.5 BN/WH	6754	Camshaft Position (CMP) Actuator Solenoid Control
62-64	-	-	Not Used
65	0.5 GY/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1
66	-	-	Not Used
67	0.5 TN	1174	Oil Level Switch Signal
68-72	-	-	Not Used
73	3 BK/WH	251	Ground

Connector Part Information

OEM: 15497996
Service: 88988372
Description: 73-Way F 0.64 2.8 Series, Sealed (BK)

Terminal Part Information

Pins: 4-10, 13-16, 20-24, 26, 30-32, 33-34, 37, 39-40, 43, 45-51, 53-54, 57-61, 65, 67
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins 4-10, 13-15, 20-24, 26, 30-31, 33-34, 37, 39-40, 43, 45-51, 53-54, 57-61, 65, 67 - J/J
Core/Insulation Crimp: Pins 16, 32 - See Terminal Repair Kit
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 73
Terminal/Tray: 1326030-8/17
Core/Insulation Crimp: 4/D
Release Tool/Test Probe: 12094429/J-35616-4A (PU)