Engine Control Module (ECM) Connector End View - C1

Engine Control Module (ECM) - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15430219 Service: See Catalog 56-Way F Micro-Pack 64 Series (BU)
Pin	Wire Color	Circuit No.	Function
1	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
2	TN	2501	High Speed GMLAN Serial Data Bus (-)
3-4	-	-	Not Used
5	TN	1274	5-Volt Reference
6	-	-	Not Used
7	WH/BK	1164	5-Volt Reference
8-9	-	-	Not Used
10	WH	1310	EVAP Canister Vent Solenoid Control
11	OG/BK	380	A/C Refrigerant Pressure Sensor Signal
12	-	-	Not Used
13	WH	17	Stop Lamp Switch Signal
14	YE/BK	625	Starter Enable Relay Control
15-16	-	-	Not Used
17	PK	439	Ignition 1 Voltage
18	PK	1439	Ignition 1 Voltage
19	PK	1439	Ignition 1 Voltage
20	RD/WH	2440	Battery Positive Voltage
21	L-BU	1162	APP Sensor 2 Signal
22	-	-	Not Used
23	D-GN/WH	465	Fuel Pump Relay Control
24	BN/WH	419	MIL Control
25	D-GN/WH	459	A/C Compressor Clutch Relay Control
26	WH	121	Engine Speed Signal
27	D-BU	1161	APP Sensor 1 Signal
28	D-GN/WH	817	Vehicle Speed Signal
29	YE	492	MAF Sensor Signal
30	-	-	Not Used
31	TN	2760	Low Reference
32	BK/WH	2751	Low Reference
33	OG/BK	812	12-Volt Reference
34	-	-	Not Used
35	GY	2700	5-Volt Reference
36	BN	1271	Low Reference
37	PU	1272	Low Reference
38-42	-	-	Not Used
43	WH/BK	448	Powertrain Diagnostic Enable
44-45	-	-	Not Used
46	YE	43	Accessory Voltage
47	-	-	Not Used
48	BN	5546	Fuel Pump Speed Control Feedback Signal
49-50	-	-	Not Used
51	TN/BK	472	IAT Sensor Signal
52-54	-	-	Not Used
55	D-GN	335	Low Speed Cooling Fan Relay Control
56	-	-	Not Used