Powertrain Control Module (PCM) Connector End View C1

Powertrain Control Module (PCM) C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15471388 56-Way F Micro 64 Series Sealed (BU)
Pin	Wire Color	Circuit No.	Function
1-5	-	-	Not Used
6	D-GN/WH	459	A/C Compressor Clutch Relay Control
7	BN	1271	Low Reference
8	PU	1272	Low Reference
9	-	-	Not Used
10	D-BU	473	High Speed Cooling Fan Relay Control
11	-	-	Not Used
12	PU	1589	Fuel Level Sensor Signal - Primary
13	PK/BK	5290	Ignition 1 Voltage
14	L-BU	6118	IAT 2 Sensor Signal
15	PU	1807	ECM Class 2 Serial Data
16	PU	1807	ECM Class 2 Serial Data
17	GY	2700	5-Volt Reference
18	BN	4	Accessory Voltage
19	YE	1139	Ignition 1 Voltage
20	OG	480	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	RD/BK	380	A/C Refrigerant Pressure Sensor Signal
27	D-BU	1161	APP Sensor 1 Signal
28	-	-	Not Used
29	BK	2759	Low Reference
30	WH/BK	1164	5-Volt Reference
31	WH	121	Engine Speed Signal
32	L-BU	20	Stop Lamp Supply Voltage/Stop Lamp Switch Signal
33	-	-	Not Used
34	PK	2014	Coolant Pump Relay Control
35-36	-	-	Not Used
37	D-GN/WH	465	Fuel Pump Relay Control - Primary
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	TN	1274	5-Volt Reference
44	GY	1884	Cruise Control Set/Coast and Resume/Accelerate Switch Signal
45	-	-	Not Used
46	PU	420	TCC Brake Switch/Cruise Control Release Signal
47	GY	705	5-Volt Reference
48	YE	447	Starter Relay Coil Control
49-50	-	-	Not Used
51	D-GN	335	Low Speed Cooling Fan Relay Control
52	-	-	Not Used
53	BN/WH	379	CPP Switch Signal
54	D-GN	1433	PNP/Clutch Start Switch Signal
55	-	-	Not Used
56	BK	2751	Low Reference