Engine Control Module (ECM) - X2 (1.4L) (LDT)

Fig 1: Engine Control Module (ECM) - X2 (1.4L) (LDT) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	RD	-	Ignition Coil A Control
2	D-GN/WH	-	Low Reference
3	PU	-	Low Reference
4	L-BU	-	5-Volt Reference
5	PU	-	Crankshaft Position (CKP) Sensor Signal
6	WH	-	5-Volt Reference
7	PU	-	Camshaft Position (CMP) Sensor - Exhaust Signal
8	-	-	Not Used
9	WH	-	5-Volt Reference
10	BN	-	Heated Oxygen Sensor (HO2S) 1 Hi Signal
11	-	-	Not Used
12	OG	-	Knock Sensor Signal
13	-	-	Not Used
14	GY	-	Oxygen Sensor 1 Heater Low Control
15-16	-	-	Not Used
17	BK	-	Ignition Coil B Control
18	BK	-	Camshaft Position (CMP) Sensor - Intake Signal
19-20	-	-	Not Used
21	YE	-	Low Reference
22	-	-	Not Used
23	PU	-	5-Volt Reference
24	BN	-	Low Reference
25	-	-	Not Used
26	WH	-	Throttle Position Sensor 1 Signal
27	L-BU	-	Manifold Absolute Pressure (MAP) Sensor Signal
28	WH	-	Low Reference
29	BN	-	5-Volt Reference
30-32	-	-	Not Used
33	D-BU	-	Ignition Coil C Control
34	BK	-	5-Volt Reference
35	BK	-	5-Volt Reference
36-38	-	-	Not Used
39	BN/BK	-	Throttle Position Sensor 2 Signal
40-44	-	-	Not Used
45	BN	-	Octane Selector Switch Signal
46	D-GN	-	Octane Selector Switch Signal
47-52	-	-	Not Used
53	PU	-	Ignition Coil D Control
54	BN	-	Camshaft Position (CMP) Actuator Solenoid Valve - Intake Control Signal
55	YE	-	Low Reference
56	YE	-	Low Reference
57	WH	-	EVAP Canister Purge Solenoid Control
58	BN	-	Camshaft Position (CMP) Actuator Solenoid Valve - Exhaust Control Signal
59	BN	-	5-Volt Reference
60	-	-	Not Used
61	L-BU	-	ETC Motor Close
62	-	-	Not Used
63	WH	-	Fuel Injector 2 Control
64	L-GN/BK	-	Fuel Injector 3 Control
65	L-BU/WH	-	Fuel Injector 1 Control
66	BN	-	Fuel Injector 4 Control
67	D-BU	-	ETC Motor Open
68-73	-	-	Not Used

Connector Part Information