K20 Engine Control Module X1

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine Wiring Harness
OEM Connector: 34576-7563
Service Connector: 19368142
Description: 49-Way F 0.64, 2.8 Series, Sealed (BK with BU Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	13587518	J-35616-35 (VT)	J-38125-11A
II	19351723	J-35616-64B (L-BU)	J-38125-213

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	GN / WH	492	Mass Air Flow Sensor Signal	II
2	-	-	-	Not Occupied	-	-
3	0.5	WH	4499	High Speed GM LAN Serial Data [-] 7	II	(NUG/NTB)
4	-	-	-	Not Occupied	-	-
5	0.5 0.5	WH WH	7494 7494	High Speed GM LAN Serial Data [-] 3 High Speed GM LAN Serial Data [-] 3	II II	(NUG/NTB)-EPH EPH(NUG/NTB)
6	0.5	WH / BU	6311	Cruise/ETC/TCC Brake Signal	II
7	0.5 0.5	WH WH	2501 2501	High Speed GM LAN Serial Data [-] 1 High Speed GM LAN Serial Data [-] 1	II II	M3U MNH
8	0.5	BN / WH	419	Check Engine Indicator Control	II
9	0.5	YE	5991	Powertrain Relay Coil Control	II
10 - 11	-	-	-	Not Occupied	-	-
12	0.5	BU / GY	636	Ambient Air Temperature Sensor Signal	II
13	0.5	BU / BN	4498	High Speed GM LAN Serial Data [+] 7	II	(NUG/NTB)
14	0.5	WH / GN	5380	Brake Position Sensor Signal	II
15	0.5 0.5	BU / BK BU / BK	7493 7493	High Speed GM LAN Serial Data [+] 3 High Speed GM LAN Serial Data [+] 3	II II	(NUG/NTB)-EPH EPH(NUG/NTB)
16	0.5	WH / GY	1786	Transmission Park/Neutral Signal 1	II	MNH
17	0.5 0.5	BU BU	2500 2500	High Speed GM LAN Serial Data [+] 1 High Speed GM LAN Serial Data [+] 1	II II	M3U MNH
18	0.5	WH / GY	459	Air Conditioning Compressor Clutch Relay Control	II
19 - 20	-	-	-	Not Occupied	-	-
21	0.5	GN / BU	428	EVAP Canister Purge Solenoid Control	II
22	-	-	-	Not Occupied	-	-
23	0.5	BK / GN	580	Engine Control Sensors Low Reference 2	II
24	0.5	BK / BU	1271	Accelerator Pedal Position Low Reference 1	II
25 - 29	-	-	-	Not Occupied	-	-
30	0.5	BK / VT	1272	Accelerator Pedal Position Low Reference 2	II
31	-	-	-	Not Occupied	-	-
32	0.5	VT / BU	5291	Powertrain Main Relay Fused Supply Voltage 2	II
33	0.5	VT / YE	5985	Accessory Wake-Up Serial Data	II
34	0.5	RD / WH	140	Battery Positive Voltage	II
35	-	-	-	Not Occupied	-	-
36	0.5	YE / VT	4325	Starter Pinion Solenoid Actuator Relay Control	II
37	0.5	GN / GY	465	Fuel Pump Primary Relay Control	II
38	0.5	WH / RD	1164	Accelerator Pedal Position 5V Reference 1	II
39	0.5	YE / WH	1161	Accelerator Pedal Position Signal 1	II
40	0.5	YE / BN	331	Oil Pressure Sensor Signal	II
41	0.5	GN	380	Air Conditioning Refrigerant Pressure Sensor Signal	II
42 - 43	-	-	-	Not Occupied	-	-
44	0.5	GN / WH	1162	Accelerator Pedal Position Signal 2	II
45	0.5	BN / RD	1274	Accelerator Pedal Position 5V Reference 2	II
46	0.5	YE	5530	Hood Open Switch Signal	II
47	0.5	VT / GN	439	Run/Crank Ignition 1 Voltage	II
48	0.5	VT	5292	Powertrain Main Relay Fused Supply Voltage 3	II
49	2	VT / BU	5290	Powertrain Main Relay Fused Supply Voltage 1	I