Electronic Control Module (ECM) Connector End View - C2

Fig 1: Electronic Control Module (ECM) - C2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Electronic Control Module (ECM) - C2 Connector Parts Information

Connector Part Information

OEM: 3456-0803
Service: 19115670
Description: 80-Way F Receptacle 0.64 2.8 Sealed (GY)

Terminal Part Information

Pins: 2, 3, 8, 12, 15, 17, 18, 19, 20, 21, 26, 27, 28, 29, 30, 31, 32, 35, 37, 40, 42, 43, 44, 46, 53, 54, 55, 56, 57, 58, 61, 63, 64, 65, 66, 68, 69, 70, 71, 72, 78, 80, 5, 6
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins 2, 3, 8, 12, 15, 17, 18, 19, 20, 21, 26, 27, 28, 29, 30, 31, 32, 35, 37, 40, 42, 43, 44, 46, 53, 54, 55, 56, 57, 58, 61, 63, 64, 65, 66, 68, 69, 70, 71, 72, 78, 80 - J/J
Core/Insulation Crimp: Pins 5, 6 - K/K
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Electronic Control Module (ECM) - C2 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	PU/WH	6270	5-Volt Reference 2
3	GY	2701	5-Volt Reference 2
4	-	-	Not Used
5	YE	581	TAC Motor Control - 1
6	BN	582	TAC Motor Control - 2
7	-	-	Not Used
8	D-GN/WH	428	EVAP Canister Purge Solenoid Control
9-11	-	-	Not Used
12	GY/WH	3113	HO2S Heater Low Control [- Bank 1 Sensor 1]
13-14	-	-	Not Used
15	OG	1676	EGR Solenoid High Control
16	-	-	Not Used
17	L-GN/BK	1745	Fuel Injector 2 Control
18	YE/BK	846	Fuel Injector 6 Control
19	TN/WH	845	Fuel Injector 5 Control
20	TN	1744	Fuel Injector 1 Control
21	YE	410	ECT Sensor Signal
22-25	-	-	Not Used
26	D-BU	496	KS 1 Signal
27	GY	1716	KS 1 Signal
28	-	-	Not Used
29	L-BU	1876	KS 2 Signal
30	GY	2303	KS 2 Signal
31	-	-	Not Used
32	GY	23	Generator Field Duty Cycle Signal
33-34	-	-	Not Used
35	TN	2752	Low Reference
36	-	-	Not Used
37	L-BU/BK	844	Fuel Injector 4 Control
38-39	-	-	Not Used
40	PK/BK	1746	Fuel Injector 3 Control
41	-	-	Not Used
42	GY	5047	5-Volt Reference 1
43	GY	2704	5-Volt Reference 1
44	D-BU	6259	5-Volt Reference
45	-	-	Not Used
46	GY	435	EGR Solenoid Low Control or EGR Solenoid Control
47-52	-	-	Not Used
53	OG/BK	469	Low Reference
54	TN	2753	Low Reference
55	BN	1456	EGR Valve Position Signal
56	TN/WH	1653	HO2S Low Signal [- Bank 1 Sensor 1]
57	PU/WH	1665	HO2S High Signal [- Bank 1 Sensor 1]
58	L-GN	432	MAP Sensor Signal
59-60	-	-	Not Used
61	OG	225	Generator Turn On Signal
62	-	-	Not Used
63	PU	486	Throttle Position Signal 2
64	BN/WH	633	CMP Sensor Signal
65	D-GN	485	Throttle Position Signal 1
66	TN	407	Low Reference
67	-	-	Not Used
68	WH/BK	6271	Medium Resolution Engine Speed Signal
69	GY/BK	6272	Low Reference
70	PU	2121	IC 1 Control
71	OG/WH	2122	IC 2 Control
72	L-BU	2123	IC 3 Control
73-77	-	-	Not Used
78	YE	2174	Low Reference
79	-	-	Not Used
80	TN/BK	231	Oil Pressure Switch Signal