Powertrain Control Module (PCM) Connectors

WARNING: This page is about a different car, the 2005 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Powertrain Control Module (PCM) C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15430210 56-Way F Micro-Pack 64 Series Sealed (BU)
Pin	Wire Color	Circuit No.	Function
1	TN/BK	2500	High Speed GMLAN Serial Data (+)
2	TN	2501	High Speed GMLAN Serial Data (-)
3-5	-	-	Not Used
6	D-GN/WH	459	A/C Compressor Clutch Relay Control
7	BN	1271	Low Reference
8	TN	1274	5-Volt Reference
9	-	-	Not Used
10	D-GN	335	Low Speed Cooling Fan Relay Control
11	-	-	Not Used
12	PU	1589	Fuel Level Sensor Signal
13	PK/BK	5290	Ignition 1 Voltage
14	-	-	Not Used
15	PU	1807	Class 2 Serial Data
16	-	-	Not Used
17	GY	2700	5-Volt Reference
18	BN	4	Accessory Voltage
19	PK	639	Ignition 1 Voltage
20	RD/WH	540	Battery Positive Voltage
21	-	-	Not Used
22	WH	1310	EVAP Canister Vent Solenoid Control
23	-	-	Not Used
24	D-GN	890	Fuel Tank Pressure Sensor Signal
25	-	-	Not Used
26	OG/BK	380	A/C Refrigerant Pressure Sensor Signal
27	D-BU	1161	APP Sensor 1 Signal
28	-	-	Not Used
29	OG/BK	1057	Low Reference
30	WH/BK	1164	5-Volt Reference
31	-	-	Not Used
32	WH	17	Stop Lamp Switch Signal
33-36	-	-	Not Used
37	D-GN/WH	465	Fuel Pump Relay Control
38	BN	5069	Main Relay Control
39	-	-	Not Used
40	BN/WH	419	MIL Control
41	L-BU	1162	APP Sensor 2 Signal
42	-	-	Not Used
43	PU	1272	Low Reference
44	-	-	Not Used
45	PU	5526	Tap Up/Tap Down Switch Signal
46	-	-	Not Used
47	GY	705	5-Volt Reference
48	YE	447	Starter Relay Coil Control
49-50	-	-	Not Used
51	D-BU	473	High Speed Cooling Fan Relay Control
52-53	-	-	Not Used
54	PU/WH	1035	Starter Relay Coil Supply Voltage
55	OG/BK	1057	Low Reference
56	TN	5514	Low Reference

Powertrain Control Module (PCM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15430225 73-Way F Micro 64 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	OG	225	Generator Turn On Signal
2	D-GN	485	TP Sensor 1 Signal
3-5	-	-	Not Used
6	GY	2701	5-Volt Reference
7	PU	486	TP Sensor 2 Signal
8	GY	2704	5-Volt Reference
9	L-BU/BK	1688	5-Volt Reference
10-16	-	-	Not Used
17	YE	573	Crankshaft Position Sensor Signal (1)
18	PU	574	Crankshaft Position Sensor Low Reference (1)
19	-	-	Not Used
20	OG/BK	469	CKP Sensor B Signal
21-24	-	-	Not Used
25	TN/WH	3121	HO2S Low Signal Bank 1 Sensor 2
26	BN/WH	633	Camshaft Position Signal
27-31	-	-	Not Used
32	TN/WH	3111	HO2S Low Reference Bank 1 Sensor 1
33	TN	1744	Fuel Injector 1 Control
34	-	-	Not Used
35	YE	410	ECT Sensor Signal
36	TN/WH	1704	Low Reference
37	L-GN	432	MAP Sensor Signal
38	-	-	Not Used
39	TN	2752	Low Reference
40	WH	423	IC Timing Control
41	YE	492	MAF Sensor Signal
42	-	-	Not Used
43	GY/WH	3122	HO2S Heater Low Control Sensor 1
44	-	-	Not Used
45	GY	23	Generator Field Duty Cycle Signal
46	PU	3120	HO2S High Signal Sensor 2
47	-	-	Not Used
48	PU/WH	3110	HO2S Reference Voltage Sensor 1
49-50	-	-	Not Used
51	TN	472	IAT Sensor Signal
52	TN	2761	Low Reference
53	PK/BK	1746	Fuel Injector 3 Control
54	L-GN/BK	1745	Fuel Injector 2 Control
55	L-BU/BK	844	Fuel Injector 4 Control
56-57	-	-	Not Used
58	GY/WH	3113	HO2S Heater Low Control Sensor 1
59	OG	406	IC Timing Control B
60-63	-	-	Not Used
64	TN/BK	2760	Low Reference
65	BN	582	TAC Motor Control 2
66	YE	581	TAC Motor Control 1
67	-	-	Not Used
68	D-BU	496	Knock Sensor Signal
69	GY	1716	Low Reference
70-72	-	-	Not Used
73	BK/WH	451	Ground

Powertrain Control Module (PCM) C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15430209 56-Way F Micro 64 Series Sealed (GY)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	GY	773	Transmission Range Switch Signal C
3-5	-	-	Not Used
6	OG/BK	1228	PC Solenoid Valve High Control (Sol. A)
7	YE/BK	1227	TFT Sensor Signal
8-10	-	-	Not Used
11	OG/BK	1230	AT ISS High Signal
12-14	-	-	Not Used
15	TN/BK	231	Oil Pressure Switch Signal
16	-	-	Not Used
17	TN	2762	Low Reference
18-19	-	-	Not Used
20	TN/WH	771	Transmission Range Switch Signal A
21-28	-	-	Not Used
29	YE	657	Transmission Fluid Pressure Sensor Signal
30	OG	1226	Transmission Fluid Pressure Switch Signal C
31-32	-	-	Not Used
33	L-GN	1222	Shift Solenoid Valve 1 High Control
34	-	-	Not Used
35	YE/BK	1223	Shift Solenoid Valve 2 High Control
36	-	-	Not Used
37	D-GN/WH	428	EVAP Canister Purge Solenoid Control
39	BN	418	TCC PWM Solenoid Valve Control
40-42	-	-	Not Used
43	D-BU	1225	Transmission Fluid Pressure Switch Signal B
44	PU	401	Vehicle Speed Sensor Low Reference
45	YE	400	Vehicle Speed Sensor Signal
46-47	-	-	Not Used
48	L-BU/WH	1229	PC Solenoid Valve Low Control (Sol. A)
49	D-BU/WH	1231	A/T ISS Low Signal
50	YE	772	Transmission Range Switch Signal B
51	-	-	Not Used
52	WH	776	Transmission Range Switch Signal P
53-56	-	-	Not Used