Powertrain Control Module (3.4L) - Connector End View C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12191110 80-Way F Micro-Pack 100 Series Sealed (BU)
Pin	Wire Color	Circuit No.	Function
1	BK	2762	Low Reference
2-3	-	-	Not Used
4	L-GN	1222	1-2 Shift Solenoid Valve Control
5	D-BU	473	High Speed Cooling Fan Relay Control
6	D-GN	335	Low Speed Cooling Fan Relay Control
7	BN/WH	633	CMP Sensor Signal
8	PU/WH	430	Low Resolution Engine Speed Signal
9	L-BU/BK	647	Medium Resolution Engine Speed Signal
10	GY	2704	5-Volt Reference
11	-	-	Not Used
12	TN	413	HO2S 1 Low Signal
13	OG/BK	469	Low Reference
14-15	-	-	Not Used
16	BK/WH	451	Ground
17	BK	2760	Low Reference
18	-	-	Not Used
19	D-GN	500	Ignition 0 Voltage
20	OG	540	Battery Positive Voltage
21-27	-	-	Not Used
28	TN/WH	1669	HO2S 2 Low Signal
29	BK	808	Low Reference
30	PU	420	TCC Brake Switch/Cruise Control Release Signal
31	BK	2753	Low Reference
32	GY	435	EGR Solenoid Low Control
33	D-BU	496	Knock Sensor Signal
34-37	-	-	Not Used
38	L-GN/WH	1749	IAC Coil B High Control
39-42	-	-	Not Used
43	BK	1744	Fuel Injector 1 Control
44	YE/BK	1223	2-3 Shift Solenoid Valve Control
45	-	-	Not Used
46	PK/BK	1746	Fuel Injector 3 Control
47	L-GN/BK	1745	Fuel Injector 2 Control
48	RD/BK	453	Low Reference
49-52	-	-	Not Used
53	TN/BK	424	IC Timing Signal
54	WH	423	IC Timing Control
55	D-GN	389	Vehicle Speed Signal
56	BK/WH	451	Ground
57	BK/WH	451	Ground
58	D-GN	1049	PCM Class 2 Serial Data
59	-	-	Not Used
60	BK/WH	451	Ground
61	BK	2752	Low Reference
62	D-BU/WH	1231	A/T ISS Low Signal
63	RD/BK	1230	A/T ISS High Signal
64	YE	400	VSS Signal High
65	PU	401	VSS Signal Low
66-67	-	-	Not Used
68	YE	772	Transmission Range Switch Signal B
69	YE	492	MAF Sensor Signal
70-71	-	-	Not Used
72	D-GN	83	Cruise Control Inhibit Signal
73	BK/WH	845	Fuel Injector 5 Control
74	L-BU	1296	Axle Actuator Control (AWD)
75	-	-	Not Used
76	D-GN/WH	428	EVAP Canister Purge Solenoid Control
77-78	-	-	Not Used
79	YE/BK	846	Fuel Injector 6 Control
80	BK	2751	Low Reference