Engine Control Module (ECM) Connector End View/Part Information/Terminal Identification E

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		AMP 1-368434-2 64-Way F ECU 64P Conn Assembly (32-bit-B) (BN)
Pin	Wire Color	Circuit No.	Function
1-2	-	-	Not Used
3	OG	423	Ignition Coil (IC) Timing Control 2 and 3
4	WH	406	Ignition Coil (IC) Timing Control 1 and 4
5-6	-	-	Not Used
7	YE	45	Intake Manifold Tuning Valve Sensor Signal
8	YE	492	Intake Manifold Tuning Valve Control
9-14	-	-	Not Used
15	L-BU	581	Electronic Throttle Control (ETC) (-)
16	L-BU	581	Electronic Throttle Control (ETC) (-)
17-18	-	-	Not Used
19	OG	423	Ignition Coil (IC) Timing Control 2 and 3
20	WH	406	Ignition Coil (IC) Timing Control 1 and 4
21	D-BU/WH	1876	Low Reference
22	L-BU	496	Knock Sensor Signal
23-24	-	-	Not Used
25	L-GN	410	Engine Coolant Temperature (ECT) Sensor Signal
26	D-BU/BK	429	Heated Oxygen Sensor (HO2S) 1 Signal
27	-	-	Not Used
28	L-BU	432	Manifold Absolute Pressure (MAP) Sensor Signal
29	BN/BK	486	Throttle Position (TP) Sensor 2 Signal
30	L-BU	468	Intake Air Temperature (IAT) Sensor Signal
31	D-BU/BK	582	Electronic Throttle Control (ETC) (+)
32	D-BU/BK	582	Electronic Throttle Control (ETC) (+)
33	L-BU	469	5-Volt Reference
34	WH	428	Heated Oxygen Sensor (HO2S) 1 Low Reference
35	WH	732	Low Reference
36	D-BU/WH	1869	Crankshaft Position (CKP) Sensor Signal
37	YE/BK	1868	Low Reference
38-40	-	-	Not Used
41	WH	425	Throttle Position (TP) Sensor 1 Signal
42	D-GN	435	Exhaust Gas Recirculation (EGR) Valve Position Sensor Signal
43-45	-	-	Not Used
46	L-BU/BK	1748	Camshaft Position (CMP) Sensor Signal
47-48	-	-	Not Used
49	BN	50	Heated Oxygen Sensor (HO2S) 1 Heater Control
50	PU	427	5-Volt Reference
51	WH	1876	Low Reference
52	L-BU	426	Low Reference
53	D-BU	436	Exhaust Gas Recirculation (EGR) Solenoid Valve Control
54	PK	1733	Ignition Voltage
55	L-GN	1744	Fuel Injector 4 Control
56	BN/WH	1745	Fuel Injector 3 Control
57-60	-	-	Not Used
61	YE	1578	Evaporative Emissions (EVAP) Canister Vent Solenoid Control
62	WH	452	Evaporative Emissions (EVAP) Canister Purge Solenoid Control
63	YE	1747	Fuel Injector 1 Control
64	BN/BK	1746	Fuel Injector 2 Control