Engine Control Module (ECM) - X1 (1.6L) (LXV)

Fig 1: Engine Control Module (ECM) - X1 (1.6L) (LXV) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	BN	-	Malfunction Indicator Lamp Control
2	L-GN	-	Fuel Pump Relay Control
3	OG	-	Ignition 1 Voltage
4	PU/WH	-	A/C Compressor Relay Control
5	GY	-	Low Reference
6	YE	-	EVAP Canister Vent Solenoid Control
7	L-GN/BK	-	Low Reference
8-9	-	-	Not Used
10	PU	-	CAN Bus High Serial Data - Terminated
11	YE	-	CAN Bus Low Serial Data - Terminated
12	RD/WH	-	Battery Positive Voltage
13	-	-	Not Used
14	PK	-	Ignition 1 Voltage
15	D-BU	-	FAN HI Relay Control
16	BN	-	MAIN Relay Control
17-18	-	-	Not Used
19	GY	-	5-Volt Reference
20	YE	-	Low Reference
21	D-GN/WH	-	Low Reference
22	-	-	Not Used
23	OG	-	Low Reference
24	BN	-	Low Reference
25	BN	-	Brake Switch Signal
26	BN	-	Neutral Start Signal
27	L-BU	-	Vehicle Speed Sensor (VSS) Signal
28	L-BU	-	Low Reference
29	L-GN	-	Backup Lamp Switch Signal
30-31	-	-	Not Used
32	BN	-	5-Volt Reference
33	L-BU	-	5-Volt Reference
34	L-BU	-	5-Volt Reference
35-37	-	-	Not Used
38	BN	-	Low Reference
39	-	-	Not Used
40	WH	-	APP Sensor 1 Signal
41	PU	-	A/C High Side Pressure Sensor Signal
42	D-BU	-	APP Sensor 2 Signal
43	BN	-	Cold Start Fuel Injector Control
44	D-GN	-	FAN LOW Relay Control
45	BN	-	Low Reference
46	WH	-	Low Reference
47	D-GN	-	5-Volt Reference
48-50	-	-	Not Used
51	L-BU	-	MAF Sensor Signal
52	GY	-	Fuel Level Sensor Signal
53	BN	-	Engine Coolant Temperature (ECT) Sensor 2 Signal
54	WH	-	Intake Air Temperature (IAT) Sensor Signal
55	L-BU	-	Fuel Tank Pressure (FTP) Sensor Signal
56	D-BU	-	Cluch Pedal Position (CPP) Sensor Signal

Connector Part Information