K20 Engine Control Module X1 (LUW/LWE)

WARNING: This page is about a different car, the 2014 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Engine
OEM Connector: 34576-0703
Service Connector: 88988373
Description: 56-Way F 0.64 Series, Sealed (BK)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray	Core Crimp	Insulation Crimp
I	Pending	Pending	Pending	Not Available	Not Available	Not Available	Not Available

K20 Engine Control Module X1 (LUW/LWE)

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	-	-	-	Not Occupied	-	-
2	0.5	GN/WH	1162	Accelerator Pedal Position Signal (2)	I	LUW/LWE
3	0.5	GN/WH	492	Mass Air Flow Sensor Signal	I	LUW/LWE
4-7	-	-	-	Not Occupied	-	-
8	0.5	BN/GY	4008	Humidity Sensor Signal	I	LUW/LWE
9	-	-	-	Not Occupied	-	-
10	0.5	YE/WH	1161	Accelerator Pedal Position Signal (1)	I	LUW/LWE
11	0.5	YE/WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	I	LUW/LWE
12	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	I	LUW/LWE
13	0.5	BK/BN	5514	A/C Refrigerant Pressure Sensor Low Reference	I	LUW/LWE
14-15	-	-	-	Not Occupied	-	-
16	0.5	BN/RD	1274	Accelerator Pedal Position 5 Volt Reference (2)	I	LUW/LWE
17	-	-	-	Not Occupied	-	-
18	0.5 0.5	VT/YE VT/YE	5985 5985	Accessory Wakeup Serial Data Accessory Wakeup Serial Data	I	MH8/MH9 MZ0
19	0.75 0.75	VT/GY VT/GY	139 139	Run/Crank Ignition 1 Voltage Run/Crank Ignition 1 Voltage	I	MZ0 MH8/MH9
20	0.75	RD/WH	140	Battery Positive Voltage	I	LUW/LWE
21-23	-	-	-	Not Occupied	-	-
24	0.5	WH/RD	1164	Accelerator Pedal Position 5 Volt Reference (1)	I	LUW/LWE
25	0.5	WH/YE	3202	Throttle Inlet Absolute Pressure Sensor 5V Return	I	LUW/LWE
26	0.5	BN/RD	2700	A/C Pressure Sensor 5 Volt Reference	I	LUW/LWE
27	0.5	YE/BK	625	Starter Enable Relay Control	I	LUW/LWE
28	0.5	GN/GY	465	Fuel Pump Primary Relay Control	I	LUW/LWE
29	0.5 0.5	BU BU	2500 2500	High Speed GMLAN Serial Data (+) (1) High Speed GMLAN Serial Data (+) (1)	I	MH8/MH9 MZ0
30	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference (2)	I	LUW/LWE
31	0.5	BK/VT	2760	Intake Air Temperature Sensor Low Reference	I	LUW/LWE
32	0.5	BK/BU	6813	Coolant Temperature Sensor #2 Low Reference	I	LUW/LWE
33	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	I	LUW/LWE
34	0.5	WH/GY	1786	Transmission Park/Neutral Signal (1)	I	MH8/MH9
35-37	-	-	-	Not Occupied	-	-
38	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference (1)	I	LUW/LWE
39	-	-	-	Not Occupied	-	-
40	0.5 0.75	YE YE	5991 5991	Powertrain Relay Coil Control Powertrain Relay Coil Control	I	LWE LUW
41	0.5 0.75	GN/VT GN/VT	335 335	Low Speed Cooling Fan Relay Control Low Speed Cooling Fan Relay Control	I	LUW LWE
42	-	-	-	Not Occupied	-	-
43	0.5 0.5	WH WH	2501 2501	High Speed GMLAN Serial Data (-) (1) High Speed GMLAN Serial Data (-) (1)	I	MH8/MH9 MZ0
44	-	-	-	Not Occupied	-	-
45	0.5	BN/VT	472	Intake Air Temperature Sensor Signal	I	LUW/LWE
46	0.5	YE/BK	3000	Coolant Temperature Sensor #2 Signal	I	LUW/LWE
47	0.5	BN	25	Charge Indicator Control	I	LUW/LWE
48-50	-	-	-	Not Occupied	-	-
51	0.5	YE/BK	429	Air Injection Reaction Solenoid Control	I	LWE
52	0.5	BN/WH	419	Check Engine Indicator Control	I	LUW/LWE
53	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	I	LUW/LWE+C68
54	0.75 0.5	BN/YE BN/YE	473 473	High Speed Cooling Fan Relay Control High Speed Cooling Fan Relay Control	I	LUW LWE
55	0.5	GN/BU	436	Air Injection Reaction Pump Relay Coil Control	I	LWE
56	0.75	WH	1310	EVAP Canister Vent Solenoid Control	I	LUW/LWE