Powertrain Control Module (PCM) C2

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

Courtesy of GENERAL MOTORS CORP.

Powertrain Control Module (PCM) Connector End Views

Connector Part Information

Terminal Part Information

Powertrain Control Module (PCM) C2

Pin	Wire Color	Circuit No.	Function
1	BN	1456	EGR Valve Position Signal
2	TN	800	UART Serial Data (Primary)
3	OG/BK	1061	UART Serial Data (Secondary)
4	PK/BK	1746	Fuel Injector 3 Control
5	TN	1744	Fuel Injector 1 Control
6	L-GN/BK	1745	Fuel Injector 2 Control
7	TN/WH	845	Fuel Injector 5 Control
8	TN	2753	Low Reference
9	YE/BK	846	Fuel Injector 6 Control
10	L-BU/BK	844	Fuel Injector 4 Control
11	OG/WH	2122	IC 2 Control
12	L-BU	5038	HO2S Heater Low Control - Sensor 1
13	OG	1676	EGR Solenoid High Control
14	-	-	Not Used
15	YE/BK	1868	Low Reference
16	GY	435	EGR Solenoid Low Control
17	-	-	Not Used
18	L-GN	432	MAP Sensor Signal
19-20	-	-	Not Used
21	OG/WH	812	12-Volt Reference
22	L-GN	1867	12-Volt Reference
23-25	-	-	Not Used
26	BN/WH	633	CMP Sensor Signal
27	L-BU/WH	1800	CKP Sensor Signal
28-29	-	-	Not Used
30	OG/BK	469	Low Reference
31	-	-	Not Used
32	TN	407	Low Reference
33	GY	2702	5-Volt Reference
34	GY	2704	5-Volt Reference
35	-	-	Not Used
36	GY	2303	Low Reference
37	YE	2174	Low Reference
38	D-BU	496	Knock Sensor 1 Signal
39	BARE	1251	Ground
40	GY	1716	Low Reference
41	D-GN/WH	428	EVAP Canister Purge Solenoid Control
42-44	-	-	Not Used
45	GY	23	Generator Field Duty Cycle Signal
46	-	-	Not Used
47	PU	1664	HO2S Low Signal - Sensor 1
48	PU/WH	1665	HO2S High Signal - Sensor 1
49-52	-	-	Not Used
53	OG	225	Generator Turn On Signal
54	L-BU	1876	Knock Sensor 2 Signal
55	YE	410	ECT Sensor Signal
56	BARE	1251	Ground
57	TN/BK	231	Oil Pressure Switch Signal
58-60	-	-	Not Used
61	PU	2121	IC 1 Control
62	-	-	Not Used
63	L-BU	2123	IC 3 Control
64-72	-	-	Not Used
73	BK/WH	451	Ground