Powertrain Control Module (PCM) Connector End View - C1

Fig 1: Powertrain Control Module (PCM) - C1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Powertrain Control Module (PCM) - C1 Connector & Terminal Parts Information

Connector Part Information

OEM: 12191110
Service: 12167308
Description: 80-Way F Micro-Pack 100 Series Sealed (BU)

Terminal Part Information

Pins: 4, 8, 9, 37, 43, 49, 60, 76, 77
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Terminal/Tray: 12084913/5
Core/Insulation Crimp: W/W
Release Tool/Test Probe: 12122523/J-35616-6 (BN)

Powertrain Control Module (PCM) - C1 Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	BK/WH	451	Ground
2	L-GN	1867	12-Volt Reference
3	-	-	Not Used
4	L-BU/BK	844	Fuel Injector 4 Control
5-6	-	-	Not Used
7	GY	2705	5-Volt Reference
8	GY	2701	5-Volt Reference
9	D-BU	496	KS Signal
10-11	-	-	Not Used
12	D-BU/WH	1869	CKP Sensor Signal
13-16	-	-	Not Used
17	D-BU	1225	Transmission Fluid Pressure Switch Signal B (A/T)
18	RD	1226	Transmission Fluid Pressure Switch Signal C (A/T)
19	PK	439	Ignition 1 Voltage
20	OG	440	Battery Positive Voltage
21	YE/BK	1868	Low Reference
22	-	-	Not Used
23	BK	470	Low Reference
24	BK/WH	451	Ground
25	TN	1671	HO2S Low Signal Bank 2 Sensor 2
26	TN	1667	HO2S Low Signal Bank 2 Sensor 1
27	BK/WH	451	Ground
28	TN/WH	1669	HO2S Low Signal Bank 1 Sensor 2
29	TN	1664	HO2S Low Signal Bank 1 Sensor 1
30-31	-	-	Not Used
32	BK/WH	771	Transmission Range Switch Signal A (A/T)
33	PU	420	TCC Brake Switch/Cruise Control Release Signal
34	WH	776	Transmission Range Switch Signal P (A/T)
35	GY	48	CPP Switch Signal (M/T)
36	BK	1744	Fuel Injector 1 Control
37	PK/BK	1746	Fuel Injector 3 Control
38	-	-	Not Used
39	YE/BK	625	Starter Enable Relay Control
40	BK/WH	451	Ground
41	-	-	Not Used
42	D-GN	335	Low Speed Cooling Fan Relay Control
43	BK/WH	845	Fuel Injector 5 Control
44	-	-	Not Used
45	GY	2700	5-Volt Reference
46	GY	474	5-Volt Reference
47	-	-	Not Used
48	GY	597	5-Volt Reference
49	GY	1716	KS Signal
50-52	-	-	Not Used
53	BK	720	Low Reference (A/T)
54	OG/BK	469	Low Reference
55-56	-	-	Not Used
57	OG	440	Battery Positive Voltage
58	D-GN	1049	Class 2 Serial Data
59	-	-	Not Used
60	BK	2752	Low Reference
61	PK/BK	632	Low Reference
62	-	-	Not Used
63	BK	2755	Low Reference
64	BK/WH	451	Ground
65	PU	1670	HO2S High Signal Bank 2 Sensor 2
66	PU	1666	HO2S High Signal Bank 2 Sensor 1
67	BK/WH	451	Ground
68	PU/WH	1668	HO2S High Signal Bank 1 Sensor 2
69	PU/WH	1665	HO2S High Signal Bank 1 Sensor 1
70-71	-	-	Not Used
72	YE	772	Transmission Range Switch Signal B (A/T)
73	BN/WH	633	CMP Sensor Signal
74	YE	410	ECT Sensor Signal
75	PK	1020	Ignition 0 Voltage
76	BK	1745	Fuel Injector 2 Control
77	YE/BK	846	Fuel Injector 6 Control
78	-	-	Not Used
79	WH	687	3-2 Shift Solenoid Valve Control (A/T)
80	BK	407	Low Reference