Engine Control Module (ECM) Connector End View C1 (2.2L)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		1928403379 64-Way F Bosch Connector (BK)
Pin	Wire Color	Circuit No.	Function
1	PU	420	Cruise/Brake Switch Signal
2	RD/BK	380	A/C Refrigerant Pressure Sensor Signal
3	BK	2751	Low Reference
4-9	-	-	Not Used
10	TN	2501	CAN Low
11	TN/WH	2500	CAN High
12	-	-	Not Used
13	D-GN	335	High Speed Cooling Fan Relay Control
14	-	-	Not Used
15	TN/BK	231	Engine Oil Pressure Switch Signal
16-17	-	-	Not Used
18	-	-	Not Used (w/A/T)
18	PU/WH	821	VSS Signal (w/M/T)
19	PK	639	Ignition 1 Voltage
20	OG	1440	Battery Positive Voltage
21	PU	1272	5-Volt Reference - A
22	GY	2700	5-Volt Reference - A
23	L-BU	20	Stop Lamp Switch Signal
24-28	-	-	Not Used
29	D-GN/WH	465	Fuel Pump Relay Control
30	BN	5069	Main Relay Control
31	WH/BK	1164	5-Volt Reference - B
32-48	-	-	Not Used
49	D-BU	1161	APP Sensor 1 Signal
50	GY	397	Cruise On/Off Switch Signal (w/K34)
51	D-BU	84	Cruise Set/Coast Switch Signal (w/K34)
52	-	-	Not Used
53	BN	1271	Low Reference
54	GY/BK	87	Cruise Resume/Accel Switch Signal (w/K34)
55	-	-	Not Used
56	D-GN	459	Low Reference
57	D-BU	473	Low Speed Cooling Fan Relay Control
58	-	-	Not Used
59	BN/WH	2960	Keyword Serial Data
60	-	-	Not Used
61	L-BU	1162	APP Sensor 2 Signal
62-63	-	-	Not Used
64	TN	1274	Low Reference