Powertrain Control Module (PCM) Connector End Views

WARNING: This page is about a different car, the 2006 Saturn Vue. 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		Assembly-15357131 Connector-15357133/13007928 73-Way F Micro 64 Series (BK)
Pin	Wire Color	Circuit No.	Function
1	BK/WH	3113	HO2S Heater Control - Bank 1 Sensor 1
2	GN/WH	3212	HO2S Heater Control - Bank 2 Sensor 1
3	BK/WH	3122	HO2S Heater Low Control - Bank 1 Sensor 2
4	GN/RD	3223	HO2S Heater Low Control - Bank 2 Sensor 2
5	BN	1744	Fuel Injector 1 Control
6	RD	1745	Fuel Injector 2 Control
7	BU	1746	Fuel Injector 3 Control
8	YE	844	Fuel Injector 4 Control
9	BK/RD	845	Fuel Injector 5 Control
10	WH/BU	846	Fuel Injector 6 Control
11	RD	1525	Transmission Linear A Solenoid Valve High Control
12	WH	1991	Transmission Linear A Solenoid Valve Low Control
13	BN/WH	1526	Transmission Linear B Solenoid Valve High Control
14	D-GN	1992	Transmission Linear B Solenoid Valve Low Control
15	GN/RD	1527	Transmission Linear C Solenoid Valve High Control
16	RD/BU	1993	Transmission Linear C Solenoid Valve Low Control
17	-	-	Not Used
18	WH/BK	5763	EGR Valve Position Signal
19	BU/BK	6737	Rocker Arm Oil Pressure Switch Signal
20	BU	573	CKP Sensor A Signal
21	YE	633	CMP Sensor Signal
22	BU/RD	1800	CKP Sensor B Signal
23	D-BU	400	OSS High Signal
24	RD	1230	AT ISS High Signal
25	RD/BU	6732	HO2S Low Reference Bank 2 Sensor 1
26	RD/WH	6733	HO2S Reference Voltage - Bank 2 Sensor 1
27	GN/RD	6734	HO2S Input Pump Current - Bank 2 Sensor 1
28	WH/RD	6735	HO2S Pump Current - Bank 2 Sensor 1
29	D-BU	6728	HO2S Low Reference - Bank 1 Sensor 1
30	RD	6729	HO2S Reference Voltage - Bank 1 Sensor 1
31	D-GN	6730	HO2S Input Pump Current - Bank 1 Sensor 1
32	WH	6731	HO2S Pump Current - Bank 1 Sensor 1
33	D-GN	1688	HO2S Signal - Bank 1 Sensor 2
34	WH	1670	HO2S Signal - Bank 2 Sensor 2
35	WH	380	A/C Refrigerant Pressure Sensor Signal
36	RD/YE	6118	IAT Sensor 2 Signal
37	WH/RD	23	Generator Field Duty Cycle
38	RD/BU	496	KS Signal
39	YE/BU	605	5-Volt Reference B
40	GN/YE	2751	Low Reference
41	GN/WH	6741	ETC Motor Inhibit
42	YE/RD	114	Oil Pressure Switch Signal
43	BU/WH	6746	3rd Clutch Pressure Switch Signal
44	BU/YE	6747	4th Clutch Pressure Switch Signal
45	YE/GN	2121	Ignition Coil 1 Control
46	BU/RD	2122	Ignition Coil 2 Control
47	WH/BU	2123	Ignition Coil 3 Control
48	BN	2124	Ignition Coil 4 Control
49	BK/RD	2125	Ignition Coil 5 Control
50	BN/WH	2126	Ignition Coil 6 Control
51	BN/YE	451	Ground
52	BN/YE	451	Ground
53	D-BU	6739	ECT Control
54	D-GN	6738	ECT Signal
55	BU/YE	1227	TFT Sensor Signal
56	YE	410	ECT Sensor Signal
57	WH/BU	225	Generator Turn On Signal
58	GN/RD	432	MAP Sensor Signal
59	YE/RD	474	5-Volt Reference A
60	GN/WH	469	Low Reference
61-62	-	-	Not Used
63	BU/YE	1222	Shift Solenoid Valve 1 High Control
64	D-GN/WH	1223	Shift Solenoid Valve 2 High Control
65	D-GN	898	Shift Solenoid Valve 3 High Control
66	YE	5501	TCC Pressure Control Solenoid Valve High Control
67	BU/RD	435	EGR Solenoid Control
68	RD/YE	428	EVAP Canister Purge Solenoid Control
69	GY/YE	6736	Rocker Arm Oil Actuator Control
70	WH	5290	Ignition 1 Voltage
71	RD	639	Ignition 1 Voltage
72	BN	1440	Battery Positive Voltage
73	BK	450	Ground

Powertrain Control Module (PCM) C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		Assembly-15357147 Connector-15357150 56-Way F Micro 64 Series (BU)
Pin	Wire Color	Circuit No.	Function
1	WH/BK	1164	5-Volt Reference A
2	D-BU	1161	APP Sensor 1 Signal
3	BN	1271	Low Reference
4	GY	2709	5-Volt Reference B
5	D-GN	890	Fuel Tank Pressure Sensor Signal
6	BK	2759	Low Reference
7	PU	1589	Fuel Level Sensor Signal
8	BN/WH	6281	Low Reference
9	-	-	Not Used
10	BK	2760	5-Volt Reference A
11	TN	472	IAT Sensor 1 Signal
12-14	-	-	Not Used
15	TN	1274	5-Volt Reference B
16	L-BU	1162	APP Sensor 2 Signal
17	PU	1272	Low Reference
18-20	-	-	Not Used
21	GY	397	Cruise Control On Switch Signal
22	D-BU	84	Cruise Control Set/Coast Switch Signal
23	GY/BK	87	Cruise Control Resume/Accel Switch Signal
24	PU	420	TCC/Cruise /Brake Switch Signal
25	L-BU	20	Stop Lamp Switch Signal
26-28	-	-	Not Used
29	TN	2501	CAN Low
30	TN/WH	2500	CAN High
31	BN/WH	2960	Keyword Serial Data
32	BU	6742	A/T 1st Gear Signal
33	YE/GN	6744	A/T 2nd Gear Signal
34	RD	6743	A/T Drive Signal
35	YE	1479	A/T Neutral Signal
36	D-GN/WH	1932	A/T Park Signal
37	L-BU	2182	A/T Reverse Signal
38	BU/YE	6745	A/T 2nd Drive Signal
39-41	-	-	Not Used
42	D-BU	473	High Speed Cooling Fan Relay Control
43-49	-	-	Not Used
50	WH	1310	EVAP Canister Vent Solenoid Control
51-52	-	-	Not Used
53	D-GN/WH	459	A/C Compressor Clutch Relay Control
54	BN	5069	Main Relay Control
55	D-GN/WH	465	Fuel Pump Relay Control
56	D-GN	335	Low Speed Cooling Fan Relay Control