Powertrain Control Module (PCM) Connector End View C1

Fig 1: PCM C1 Connector End View

Courtesy of GENERAL MOTORS CORP.

PCM C1 Connector Part Information

Connector Part Information  OEM: 15499466 Service: See Catalog Description: 73-Way F Receptacle 0.64 2.8 Sealed (BK)

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 C1 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	D-BU	1161	APP Sensor 1 Signal
2	-	-	Not Used
3	BN	4	Accessory Voltage
4	-	-	Not Used
5	D-GN	335	Low Speed Cooling Fan Relay
6	D-GN/WH	465	Fuel Pump Relay Control
7	-	-	Not Used
8	TN	5514	Low Reference
9-12	-	-	Not Used
13	BN	5069	Powertrain Relay Control
14-17	-	-	Not Used
18	L-BU	1162	APP Sensor 2 Signal
19	PK	639	Ignition 1 Voltage
20	RD/WH	540	Battery Positive Voltage
21	PU	1272	Low Reference
22	-	-	Not Used
23	TN	2759	Low Reference
24	OG/BK	1057	Low Reference
25	OG/BK	380	A/C Refrigerant Pressure Sensor Signal
26	-	-	Not Used
27	BN/WH	419	MIL Control
28-29	-	-	Not Used
30	D-GN/WH	459	A/C Compressor Clutch Relay Control
31	-	-	Not Used
32	PU/WH	6386	Starter Relay Coil Control
33-36	-	-	Not Used
37	YE	492	MAF Sensor Signal
38	-	-	Not Used
39	PU	1589	Fuel Level Sensor Signal
40	-	-	Not Used
41	BN	1271	Low Reference
42	D-GN	890	Fuel Tank Pressure Sensor Signal
43	TN/BK	2500	High Speed GMLAN Serial Bus +
44	TN	2501	High Speed GMLAN Serial Bus -
45-46	-	-	Not Used
47	WH/BK	1164	5-Volt Reference 2
48	-	-	Not Used
49	D-BU	473	High Speed Cooling Fan Relay Control
50-54	-	-	Not Used
55	WH	17	Stop Lamp Switch Signal
56	-	-	Not Used
57	OG/BK	1786	Park/Neutral Signal
58	TN	472	IAT Sensor Signal
59-64	-	-	Not Used
65	GY	2700	5-Volt Reference 2
66	GY	705	5-Volt Reference
67	TN	1274	5-Volt Reference 1
68-69	-	-	Not Used
70	WH	1310	EVAP Canister Vent Solenoid Control
71-72	-	-	Not Used
73	PK/BK	5290	Ignition 1 Voltage