Engine Control Module (ECM) X2 (LZ4)

WARNING: This page is about a different car, the 2008 Saturn Aura. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Control Module (ECM) X2 (LZ4) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	-	-	Not Used
2	0.35 L-GN	1867	5-Volt Reference 2
3	0.35 GY	2701	5-Volt Reference 2
4	-	-	Not Used
5	0.8 BN	582	TAC Motor Control - 2
6	0.8 YE	581	TAC Motor Control - 1
7	-	-	Not Used
8	0.35 D-GN/WH	428	EVAP Canister Purge Solenoid Control
9-11	-	-	Not Used
12	0.35 GY/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1
13	0.35 L-GN	3212	HO2S Heater Low Control - Bank 2 Sensor 1
14-15	-	-	Not Used
16	0.35 BN	2198	Camshaft Position Actuator Solenoid High Control
17	0.5 L-GN/BK	1745	Fuel Injector 2 Control
18	0.5 YE/BK	846	Fuel Injector 6 Control
19	0.5 TN/WH	845	Fuel Injector 5 Control
20	0.5 TN	1744	Fuel Injector 1 Control
21	0.35 YE	410	ECT Sensor Signal
22	0.35 TN	2761	Low Reference
23-25	-	-	Not Used
26	0.5 D-BU	496	KS 1 Signal
27	0.5 GY	1716	KS 1 Signal
28	-	-	Not Used
29	0.5 L-BU	1876	KS 2 Signal
30	0.5 GY	2303	KS 2 Signal
31	-	-	Not Used
32	0.35 GY	23	Generator Field Duty Cycle Signal
33	-	-	Not Used
34	0.35 BK	2755	Low Reference
35	0.35 TN	2752	Low Reference
36	-	-	Not Used
37	0.5 L-BU/BK	844	Fuel Injector 4 Control
38-39	-	-	Not Used
40	0.5 PK/BK	1746	Fuel Injector 3 Control
41	0.35 GY	2705	5-Volt Reference 1
42	-	-	Not Used
43	0.5 GY	2704	5-Volt Reference 1
44	0.35 OG	812	5-Volt Reference 1
45-49	-	-	Not Used
50	0.35 TN/WH	331	Oil Pressure Sensor Signal
51	-	-	Not Used
52	0.35 TN	2199	Low Reference
53	0.5 OG/BK	469	Low Reference
54-55	-	-	Not Used
56	0.8 TN/WH	3111	HO2S Low Signal (Bank 1 Sensor 1)
57	0.8 PU/WH	3110	HO2S High Signal (Bank 1 Sensor 1)
58	0.5 L-GN	432	MAP Sensor Signal
59	0.8 PU/WH	3210	HO2S High Signal (Bank 2 Sensor 1)
60	0.8 TN/WH	3211	HO2S Low Signal (Bank 2 Sensor 1)
61	0.35 OG	225	Generator Turn On Signal
60-62	-	-	Not Used
63	0.35 PU	486	TP Sensor 2 Signal
64	0.35 BN/WH	633	CMP Sensor Signal
65	0.35 D-GN	485	TP Sensor 1 Signal
66	0.35 PK/BK	632	Low Reference
67	-	-	Not Used
68	0.35 L-BU/BK	647	Medium Resolution Engine Speed Signal
69	0.35 PU	574	Low Reference
70	0.35 PU	2121	IC 1 Control
71	0.35 OG/WH	2122	IC 2 Control
72	0.35 L-BU	2123	IC 3 Control
73-77	-	-	Not Used
78	0.35 YE	2174	Low Reference
79-80	-	-	Not Used

Connector Part Information

OEM: 13542562
Service: See Catalog
Description: 80-Way F Receptacle 0.64 2.8 Sealed (GY)

Terminal Part Information

Pins: 1, 14, 15, 17, 24, 27, 29, 30, 31, 33, 34, 43, 44, 46, 47, 50, 51, 53, 54, 63, 64, 66, 68, 69
Terminal/Tray: 33467-0003/23
Core/Insulation Crimp: H/H
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 2, 3, 8, 12, 13, 16, 21, 22, 24, 32, 33, 34, 35, 41, 43, 44, 50, 52, 53, 58, 61, 63, 64, 65, 66, 68, 69, 70, 71, 72, 78
Terminal/Tray: 33467-0003/23
Core/Insulation Crimp: H/H
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 5, 6, 56, 57, 59, 60, 17, 18, 19, 20, 26, 27, 29, 30, 37, 40
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins 5, 6, 56, 57, 59, 60 - K/K
Core/Insulation Crimp: Pins 17, 18, 19, 20, 26, 27, 29, 30, 37, 40 - J/J
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)