Powertrain Control Module (PCM) - C2

WARNING: This page is about a different variant/trim than selected.

Courtesy of GENERAL MOTORS CORP.
Connector Part Information OEM: 12191110 Service: See Catalog Description: 80-Way F Micro-Pack 100 Series Sealed (GN)
Pin	Wire Color	Circuit No.	Function
1	BK/WH	451	Ground
2	BN	418	TCC PWM Solenoid Valve Control (A/T)
3-5	-	-	Not Used
6	RD/BK	1228	PC Solenoid Valve High Control (A/T)
7	-	-	Not Used
8	L-BU/WH	1229	PC Solenoid Valve Low Control (A/T)
9	D-GN/WH	465	Fuel Pump Relay Control
10	WH	121	Engine Speed Signal
11-12	-	-	Not Used
13	L-BU/BK	396	Cruise Control Engaged Signal
14	RD/BK	380	A/C Refrigerant Pressure Sensor Signal
15	PU	5428	Generator Regulator Control
16	GY/BK	1694	4WD Low Signal
17	-	-	Not Used
18	D-GN	1433	Clutch Start Switch Signal (M/T)
19	BK/WH	1695	Axle Switch Signal
20	L-GN/BK	822	VSS Low Signal
21	PU/WH	821	VSS High Signal
22-23	-	-	Not Used
24	D-BU	417	TP Sensor Signal
25	TN	472	IAT Sensor Signal
26	WH	423	IC Timing Control
27-30	-	-	Not Used
31	YE	492	MAF Sensor Signal
32	L-GN	432	MAP Sensor Signal
33	D-BU	473	High Speed Cooling Fan Relay Control
34	D-GN/WH	428	EVAP Canister Purge Solenoid Control
35-38	-	-	Not Used
39	RD	631	12-Volt Reference
40	BK/WH	451	Ground
41	-	-	Not Used
42	TN/BK	422	TCC Solenoid Valve Control (A/T)
43	D-GN/WH	459	A/C Compressor Clutch Relay Control
44	-	-	Not Used
45	WH	1310	EVAP Canister Vent Solenoid Control
46	BN/WH	419	MIL Control
47	YE/BK	1223	2-3 Shift Solenoid Valve Control (A/T)
48	L-GN	1222	1-2 Shift Solenoid Valve Control (A/T)
49	YE/BK	1827	Vehicle Speed Signal
50	D-GN/WH	817	Vehicle Speed Signal
51	YE/BK	1227	TFT Sensor Signal
52	BN	2391	HO2S Heater Low Control - Bank 1 Sensor 2
53	RD/WH	3223	HO2S Heater Low Control - Bank 2 Sensor 2
54	PU/WH	1589	Fuel Level Sensor Signal
55-56	-	-	Not Used
57	BK	552	Low Reference
58	TN/WH	332	Oil Pressure Sensor Signal
59	PU	806	Crank Voltage
60-61	-	-	Not Used
62	GY	773	Transmission Range Switch Signal C (A/T)
63	PK	1224	Transmission Fluid Pressure Switch Signal A (A/T)
64	D-GN	890	Fuel Tank Pressure Sensor Signal
65-71	-	-	Not Used
72	BK/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1
73	-	-	Not Used
74	L-GN	3212	HO2S Heater Low Control - Bank 2 Sensor 1
75	GY	23	Generator Field Duty Cycle Signal
76	L-GN/WH	1749	IAC Coil B High Control
77	L-GN/BK	444	IAC Coil B Low Control
78	L-BU/BK	1748	IAC Coil A Low Control
79	L-BU/WH	1747	IAC Coil A High Control
80	BK	2751	Low Reference