Powertrain Control Module (PCM) Connector End View C2

Fig 1: PCM C2 Connector End View

Courtesy of GENERAL MOTORS CORP.

PCM C2 Connector Part Information

Connector Part Information  OEM: 15497996 Service: See Catalog Description: 73-Way F Receptacle 0.64 2.8 Sealed (GY)

Terminal Part Information  Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

PCM C2 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1-3	-	-	Not Used
4	TN	2761	Low Reference
5	PU	574	Low Reference
6	TN	1744	Fuel Injector 1 Control
7	PK/BK	1746	Fuel Injector 3 Control
8	L-BU/BK	844	Fuel Injector 4 Control
9	BN	2129	Low Reference
10	L-GN/BK	1745	Fuel Injector 2 Control
11-12	-	-	Not Used
13	GY	2704	5-Volt Reference 1
14-15	-	-	Not Used
16	YE	581	TAC Motor Control - 1
17-19	-	-	Not Used
20	TN	5301	Low Reference
21	-	-	Not Used
22	PU	2121	IC 1 Control
23	L-BU	2123	IC 3 Control
24	D-GN/WH	2124	IC 4 Control
25	-	-	Not Used
26	OG/WH	2122	IC 2 Control
27-29	-	-	Not Used
30	D-GN/WH	428	EVAP Canister Purge Solenoid Control
31	OG	225	Generator Turn On Signal
32	BN	582	TAC Motor Control - 2
33	D-BU	5300	5-Volt Reference 2
34-36	-	-	Not Used
37	PU/WH	3110	EVAP Canister Vent Solenoid Control
38	PU	3120	HO2S High Signal (Sensor 2)
39	L-GN	432	MAP Sensor Signal
40	TN	2752	Low Reference
41	-	-	Not Used
42	TN/BK	2760	Low Reference
43	GY	23	Generator Field Duty Cycle Signal
44	-	-	Not Used
45	YE	573	CKP Sensor Signal
46	OG	5275	CMP Sensor Signal
47	-	-	Not Used
48	TN/WH	3111	HO2S Low Signal (Sensor 1)
49	OG/BK	469	Low Reference
50	GY	1716	Low Reference
51	D-BU	496	Knock Sensor Signal
52	-	-	Not Used
53	GY	2701	5-Volt Reference 2
54	L-GN	2867	5-Volt Reference 2
55-56	-	-	Not Used
57	D-GN	485	TP Sensor 1 Signal
58	YE	410	ECT Sensor Signal
59	PU	486	TP Sensor 2 Signal
60-64	-	-	Not Used
65	GY/WH	3113	HO2S Heater Low Control (Sensor 1)
66	GY/WH	3122	HO2S Heater Low Control (Sensor 2)
67	TN/BK	231	Oil Pressure Switch Signal
68	TN/WH	3121	HO2S Low Signal (Sensor 2)
69-72	-	-	Not Used
73	BK/WH	451	Ground