Engine Control Module (ECM) Connector End View C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15356822 54-Way F Micro 64 Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	YE	581	TAC Motor Control - 1
2	BK/WH	51	HO2S Heater Low Control
3	PK/BK	1746	Fuel Injector 3 Control
4	L-BU	1110	Intake Manifold Runner Control Solenoid Control
5	D-GN/WH	428	EVAP Canister Purge Solenoid Control
6	BK	452	Low Reference
7	GY	1981	HO2S High Signal
8	-	-	Not Used
9	-	-	Not Available
10	PU	574	Low Reference
11	PU/WH	1665	HO2S Input Pump Current
12	GY	1979	HO2S Low Reference
13	-	-	Not Available
14	YE	1157	Ignition Coil 5 Control
15	PK	1155	Ignition Coil 3 Control
16	L-BU	1153	Ignition Coil 1 Control
17	BN	582	TAC Motor Control - 2
18	TN/WH	551	HO2S Heater Low Control
19	BK	1744	Fuel Injector 1 Control
20	BK/WH	845	Fuel Injector 5 Control
21	-	-	Not Used
22	D-BU	496	Knock Sensor 1 Signal
23	PU/WH	1668	HO2S High Signal
24	YE/BK	487	TP Sensor 3 Signal
25	YE	410	ECT Sensor Signal
26	PU/WH	652	Low Reference
27	-	-	Not Available
28	PU	412	HO2S Reference Voltage
29	TN	1664	HO2S Output Pump Current
30	TN	1158	Ignition Coil 6 Control
31	PU	1156	Ignition Coil 4 Control
32	D-BU	1154	Ignition Coil 2 Control
33	YE	581	TAC Motor Control - 1
34	BK/WH	151	HO2S Heater Low Control
35	L-GN/BK	1745	Fuel Injector 2 Control
36	YE/BK	846	Fuel Injector 6 Control
37	-	-	Not Used
38	L-BU	1876	Knock Sensor 2 Signal
39	TN	1671	HO2S Low Signal
40	D-GN	485	TP Sensor 1 Signal
41	-	-	Not Used
42	BN/WH	633	CMP Sensor Signal
43	TN	1667	HO2S Output Pump Current
44	TN/WH	1653	HO2S Reference Voltage
45-48	-	-	Not Available
49	BN	582	TAC Motor Control - 2
50	BK/WH	751	HO2S Heater Low Control
51	GY	416	5-Volt Reference A
52	L-BU/BK	844	Fuel Injector 4 Control
53	-	-	Not Available
54	YE/BK	457	Low Reference
55	TN/WH	1669	HO2S Low Signal
56	YE	492	MAF Sensor Signal
57	TN	472	IAT Sensor Signal
58	PU	486	TP Sensor 2 Signal
59	YE	573	CKP Sensor Signal
60	TN	413	HO2S Low Reference
61	PU	1666	HO2S Input Pump Current
62	BK/WH	451	Ground
63-64	-	-	Not Available