Powertrain Control Module (PCM) Connector End View C2

Fig 1: Powertrain Control Module (PCM) C2 Connector End Views

Courtesy of GENERAL MOTORS CORP.

Powertrain Control Module (PCM) Connector Parts Information

Connector Part Information

Terminal Part Information

Powertrain Control Module (PCM) C2 Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD	225	Generator Turn On Signal
2	D-GN	485	TP Sensor 1 Signal
3-5	-	-	Not Used
6	GY	2701	5-Volt Reference
7	PU	486	TP Sensor 2 Signal
8	GY	2704	5-Volt Reference
9	L-BU/BK	1688	5-Volt Reference
10-12	-	-	Not Used
13	PU	2329	Camshaft Position Signal
14	PK/BK	632	Low Reference
15	L-BU	2344	Low Reference
16	-	-	Not Used
17	YE	573	CKP Sensor 1 Signal
18	PU	574	Low Reference
19	WH/BK	2257	Low Reference
20	OG/BK	469	Low Reference
21	-	-	Not Used
22	RD	631	12-Volt Reference
23	RD	1673	12-Volt Reference
24-25	-	-	Not Used
26	BK	630	Camshaft Position Signal
27-31	-	-	Not Used
32	TN/WH	1653	HO2S Low Signal Bank 1 Sensor 1
33	BK	1744	Fuel Injector 1 Control
34	-	-	Not Used
35	YE	410	ECT Sensor Signal
36	BK/WH	1704	Low Reference
37	L-GN	432	MAP Sensor Signal
38	-	-	Not Used
39	BK	2752	Low Reference
40	PU	2121	IC 1 Control
41	YE	492	MAF Sensor Signal
42	D-GN	2125	IC 5 Control
43	-	-	Not Used
44	RD/WH	2122	IC 2 Control
45	GY	23	Generator Field Duty Cycle Signal
46	-	-	Not Used
47	GY	2702	CMP Actuator Solenoid High Control
48	D-GN	1655	HO2S High Signal Bank 1 Sensor 1
49-50	-	-	Not Used
51	TN	472	IAT Sensor Signal
52	BK	2761	Low Reference
53	PK/BK	1746	Fuel Injector 3 Control
54	L-BU/BK	844	Fuel Injector 4 Control
55	BK/WH	845	Fuel Injector 5 Control
56	L-GN/BK	1745	Fuel Injector 2 Control
57	-	-	Not Used
58	D-GN	676	HO2S Heater High Control Bank 1 Sensor 1
59	L-BU	2123	IC 3 Control
60	D-GN/WH	2124	IC 4 Control
61-63	-	-	Not Used
64	BK	2760	Low Reference
65	BN	582	TAC Motor Control-2
66	YE	581	TAC Motor Control-1
67	-	-	Not Used
68	D-BU	496	Knock Sensor Signal
69	GY	1716	Low Reference
70-72	-	-	Not Used
73	BK/WH	451	Ground