Engine Control Module (ECM) Connector End View C2

Engine Control Module (ECM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		1928403386 64-Way F Bosch Connector (BK)
Pin	Wire Color	Circuit No.	Function
1	YE	573	CKP Sensor Signal
2	PU	574	Low Reference
3	L-BU/BK	844	Fuel Injector 4 Control
4-6	-	-	Not Used
7	BK	1744	Fuel Injector 1 Control
8	-	-	Not Used
9	D-GN/WH	428	EVAP Canister Purge Solenoid Control
10	PK/BK	1746	Fuel Injector 3 Control
11	-	-	Not Used
12	OG/BK	469	Low Reference
13	BN	582	TAC Motor Control 2
14	BN	582	TAC Motor Control 2
15	YE	581	TAC Motor Control 1
16	YE	581	TAC Motor Control 1
17	-	-	Not Used
18	D-BU	496	Knock Sensor Signal
19	TN	472	IAT Sensor Signal
20	-	-	Not Used
21	D-GN	676	HO2S Heater Low Control - Sensor 1
22	GY	1716	Low Reference
23-25	-	-	Not Used
26	PU	486	TP Sensor 2 Signal
27	WH	423	IC Timing Control 1-4
28-30	-	-	Not Used
31	RD	225	Generator Turn On Signal
32	-	-	Not Used
33	RD	1792	Drain Wire
34	L-GN/BK	1745	Fuel Injector 2 Control
35	L-GN	432	MAP Sensor Signal
36	BK/WH	1704	Low Reference
37	-	-	Not Used
38	BK	2761	Low Reference
39	BK	2760	Low Reference
40	-	-	Not Used
41	YE	410	ECT Sensor Signal
42	PU	1589	Fuel Level Sensor Signal
43	BK	2752	Low Reference
44	BK/WH	1423	HO2S Heater Low Control - Sensor 2
45	GY	2701	5-Volt Reference - A
46	-	-	Not Used
47	WH	1310	EVAP Canister Vent Solenoid Control
48	-	-	Not Used
49	PU	1666	HO2S High Signal - Sensor 1
50	TN	1667	HO2S Low Signal - Sensor 1
51	PU/WH	1668	HO2S High Signal - Sensor 2
52	TN/WH	1669	HO2S Low Signal - Sensor 2
53	-	-	Not Used
54	BN/WH	633	CMP Sensor Signal
55	D-GN	485	TP Sensor 1 Signal
56	OG	406	IC Timing Control 2-3
57	L-BU/BK	1688	5-Volt Reference - B
58	GY	2704	5-Volt Reference - B
59	D-GN	890	FTP Sensor Signal
60	BK	2759	Low Reference
61	GY	2709	5-Volt Reference - A
62	-	-	Not Used
63	WH	5290	Ignition 1 Voltage
64	WH	5290	Ignition 1 Voltage