K20 Engine Control Module X3 (LTG)

WARNING: This page is about a different car, the 2021 GMC Terrain and 2021 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 Harness
OEM Connector: 12672862
Service Connector: Not Available
Description: 73 -Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	19354746	J-35616-64B (LT BU)	J-38125-215A
II	Pending	J-35616-35 (VT)	J-38125-11A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	GY / WH	3113	HO2S Heater Low Control Bank 1 Sensor 1	I	LTG
2	-	-	-	Not Occupied	-	-
3	0.5	VT / GN	3889	Powertrain Sensor Bus Relay Control	I	LTG
4	0.5	GN / BU	428	EVAP Canister Purge Solenoid Control	I	LTG
5	-	-	-	Not Occupied	-	-
6	0.5	BN / RD	2917	Fuel Rail Pressure Sensor 5V Reference	I	LTG
7 - 13	-	-	-	Not Occupied	-	-
14	0.5	BK / VT	7331	Turbocharger Inlet Absolute Pressure Sensor 5 Volt Reference 2	I	LTG
15	0.5	YE / RD	6031	Brake Vacuum Sensor 5V Reference	I	KL9+LTG
16	0.5	VT / BU	5294	Powertrain Main Relay Fused Supply Voltage 5	I	LTG
17	-	-	-	Not Occupied	-	-
18	0.5	BN	25	Charge Indicator Control	I	LTG
19	0.5	GY	23	Generator Field Duty Cycle Signal	I	LTG
20	0.5	BK / GN	580	Engine Control Sensors Low Reference 2	I	LTG
21	0.5	BU / WH	2918	Fuel Rail Pressure Sensor Signal	I	LTG
22	0.5	BK / GN	2919	Fuel Rail Pressure Sensor Low Reference	I	LTG
23 - 29	-	-	-	Not Occupied	-	-
30	0.5	GY / RD	7332	Turbocharger Inlet Absolute Pressure Sensor 5 Volt Feedback Signal 2	I	LTG
31 - 34	-	-	-	Not Occupied	-	-
35	0.5	GN	6935	HO2S Pump Current Trim Signal	I	LTG
36	0.5	YE / GY	6936	HO2S Signal	I	LTG
37	0.5	BN / WH	6933	HO2S Pump Current Signal	I	LTG
38	0.5	BN	6934	HO2S Ground	I	LTG
39	-	-	-	Not Occupied	-	-
40	0.5	GN / WH	432	Manifold Absolute Pressure Sensor Signal	I	LTG
41	0.5	BN / GN	1174	Oil Level Switch Signal	I	-
42 - 45	-	-	-	Not Occupied	-	-
46	0.5	VT / BU	7330	Turbocharger Inlet Absolute Pressure Sensor Signal 2	I	LTG
47	0.5	WH / BU	7329	Pre-Throttle Air Temperature Signal	I	LTG
48	0.5	YE	3054	Turbocharger Intake Pressure Sensor Signal Bank 1	I	LTG
49 - 51	-	-	-	Not Occupied	-	-
52	0.5	VT / BK	7300	High Pressure Fuel Pump Low Control	I	LTG
53 - 54	-	-	-	Not Occupied	-	-
55	0.5	GN / VT	4621	Engine Control Module LIN Bus 1	I	LTG+(VTI/KL9)-M3H
56 - 58	-	-	-	Not Occupied	-	-
59	0.5	BK / GY	2303	Knock Sensor Low Reference 2	I	LTG
60	0.5	WH / GY	1876	Knock Sensor 2 Signal	I	LTG
61	0.5	BK / YE	1716	Knock Sensor Low Reference 1	I	LTG
62	0.5	VT / GY	496	Knock Sensor 1 Signal	I	LTG
63 - 71	-	-	-	Not Occupied	-	-
72	0.5	YE	7301	High Pressure Fuel Pump High Control	I	LTG
73	2	BK / WH	151	Signal Ground	II	LTG