K20 Engine Control Module X1 (LH7)

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 12685988
Service Connector: 19370822
Description: 66-Way F 0.64 MTS-B, 2.8 ATS, 6.3 Ducon Series, Sealed (BK)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	13579752	J-35616-4A (PU)	J-38125-215A	4-964286-1	Lear 16	E	1
II	13584448	J-35616-64B (LT BU)	J-38125-215A	Not Available	Not Available	Not Available	Not Available
III	13584530	J-35616-4A (PU)	J-38125-215A	4-964273-1	Yazaki 15	C	5
IV	19369848	J-35616-64B (LT BU)	J-38125-215A	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	2.5	VT/BU	5290	Powertrain Main Relay Fused Supply 1	III	LH7
2	1	VT/BU	5291	Powertrain Main Relay Fused Supply 2	I	LH7
3	1	VT	5292	Powertrain Main Relay Fused Supply 3	I	LH7
4	1	RD/WH	140	Secondary Fused Battery Positive Voltage 1	I	LH7
5	6	BN/BU	104	Glow Plug Control	IV	LH7
6	6	BK/WH	451	Ground 4	IV	LH7
7	0.5	VT/YE	5985	Accessory Wake-Up Serial Data	II	LH7
8 - 9	-	-	-	Not Occupied	-	-
10	0.5	YE	5530	Hood Open Switch Signal	II	KL9+LH7
11 - 12	-	-	-	Not Occupied	-	-
13	0.5	WH/RD	1164	Accelerator Pedal Position 5 Volt Reference 1	II	LH7
14	0.5	BN/RD	1274	Accelerator Pedal Position 5V Reference 2	II	LH7
15	0.5	GN/WH	1162	Accelerator Pedal Position Signal 2	II	LH7
16	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference 2	II	LH7
17	0.5	GY	17	Stop Lamp Switch Signal	II	LH7
18	0.5	BN/WH	419	Check Engine Indicator Control	II	LH7
19	0.5	GN/BN	507	Wait To Start Indicator Control	II	LH7
20	-	-	-	Not Occupied	-	-
21	0.5	YE	2928	Fuel Metering Solenoid Valve High Control	II	-
22	0.5	VT/GN	439	Run/Crank Ignition 1 Voltage 4	II	LH7
23	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	II	LH7
24	0.5	WH/GY	1786	Transmission Park/Neutral Signal 1	II	LH7
25	0.5	GN/WH	492	Mass Air Flow Sensor Signal	II	LH7
26	-	-	-	Not Occupied	-	-
27	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference 1	II	LH7
28	0.5	YE/WH	1161	Accelerator Pedal Position Signal 1	II	LH7
29 - 32	-	-	-	Not Occupied	-	-
33	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	II	LH7
34	-	-	-	Not Occupied	-	-
35	0.5	VT/WH	2022	Coolant Pump Control	II	-
36	0.5	BN/BK	2929	Fuel Metering Solenoid Valve Low Control	II	-
37	0.5	WH	7494	High Speed GMLAN Serial Data [-] 3	II	-
38	-	-	-	Not Occupied	-	-
39	0.5	WH	4499	High Speed GMLAN Serial Data [-] 7	II	LH7+NDE
40	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	II	LH7
41 - 42	-	-	-	Not Occupied	-	-
43	0.5	BK/YE	5382	Brake Position Sensor Low Reference	II	LH7
44	0.5	WH/RD	5381	Brake Position Sensor 5V Reference	II	LH7
45	0.5	WH/BU	6289	Intake Air Temperature Sensor Signal	II	LH7
46	0.5	BN/RD	2700	A/C Pressure Sensor 5V Reference	II	LH7
47	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	II	LH7
48	0.5	BK/GN	580	Engine Control Sensors Low Reference 2	II	LH7
49	0.5	GY/BK	3865	Auxiliary Heater Coolant Pump Relay Control	II	LH7
50	0.5	GN/GY	465	Fuel Pump Primary Relay Control	II	LH7
51	0.5	YE	5991	Powertrain Relay Coil Control	II	LH7
52	0.5	BU/BK	7493	High Speed GMLAN Serial Data [+] 3	II	-
53	-	-	-	Not Occupied	-	-
54	0.5	BU/BN	4498	High Speed GMLAN Serial Data [+] 7	II	LH7+NDE
55	0.5	BU	2500	High Speed GMLAN Serial Data [+] 1	II	LH7
56 - 57	-	-	-	Not Occupied	-	-
58	0.5	GN/VT	4621	Engine Control Module LIN Bus 1	II	LH7
59	0.5	WH/GN	5380	Brake Position Sensor Signal	II	LH7
60	0.5	BK/VT	2760	Intake Air Temperature Sensor Low Reference	II	LH7
61 - 63	-	-	-	Not Occupied	-	-
64	0.5	WH/GY	4578	Surge Accumulator Solenoid Valve Low Side Control	II	KL9+LH7
65	-	-	-	Not Occupied	-	-
66	0.5	YE/BK	625	Starter Enable Relay Control	II	-