K20 Engine Control Module X3 (LWN)

WARNING: This page is about a different car, the 2018 GMC Canyon and 2018 Chevrolet Colorado. 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: 34576-0703
Service Connector: 88988373
Description: 56-Way F 0.64 Series, Sealed (BU with BU Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	19301532	J-35616-64B (LT BU)	J-38125-213	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	BN/WH	3100	DEF Dosing Valve Low Control	I	-
2	-	-	-	Not Occupied	-	-
3	0.5	BK/GN	6281	Fuel Level Sensor Low Reference	I	-
4 - 5	-	-	-	Not Occupied	-	-
6	0.5	YE/WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	I	-
7	0.5	WH/RD	3201	Throttle Inlet Absolute Pressure Sensor 5V Reference	I	-
8	0.5	BK/BU	61	Outside Ambient Temperature Sensor Low Reference	I	-
9	0.5	BK/VT	3661	Exhaust Gas Temperature Sensor 5 Low Reference	I	-
10	0.5	BK/BU	6274	Exhaust Gas Recirculation Temperature Sensor Low Reference	I	-
11	0.5	BK/GY	3659	Exhaust Gas Temperature Sensor 4 Low Reference	I	-
12	0.5	BK/GN	3657	Exhaust Gas Temperature Sensor 3 Low Reference	I	-
13	0.5	BK/BU	6783	Exhaust Gas Temperature Sensor 2 Low Reference	I	-
14	0.5	BU/WH	5277	Exhaust Gas Temperature Sensor 1	I	-
15	0.5	BN	3099	DEF Dosing Valve High Control	I	-
16 - 17	-	-	-	Not Occupied	-	-
18	0.5	BU/VT	1589	Primary Fuel Level Sensor Signal	I	-
19	0.5	BK/YE	6275	Exhaust Gas Recirculation Temperature Sensor 2 Low Reference	I	-
20	0.5	YE/GN	3236	Exhaust Gas Recirculation Temperature Sensor 2 Signal	I	-
21	0.5	GY/RD	5928	Variable Nozzle Turbo Position Sensor 5V Reference	I	-
22	0.5	BU/GY	636	Outside Ambient Air Temperature Sensor Signal	I	-
23	0.5	BU/GY	3660	Exhaust Gas Temperature Sensor 5 Signal	I	-
24	0.5	WH/BN	3237	Exhaust Gas Recirculation Temperature Sensor Signal	I	-
25	0.5	VT/BN	3658	Exhaust Gas Temperature Sensor 4 Signal	I	-
26	0.5	GY/GN	5378	Exhaust Gas Temperature Sensor 3	I	-
27	0.5	BK/BN	6782	Exhaust Gas Temperature Sensor 1 Low Reference	I	-
28	0.5	BU/GN	5377	Exhaust Gas Temperature Sensor 2	I	-
29	-	-	-	Not Occupied	-	-
30	0.5	YE/BU	1497	Crankcase Ventilation (Blowby) Heater Control Signal	I	-
31	-	-	-	Not Occupied	-	-
32	0.5	BN/GY	4008	Humidity Sensor Signal	I	-
33	0.5	BK/BN	5929	Variable Nozzle Turbo Position Sensor Low Reference	I	-
34 - 42	-	-	-	Not Occupied	-	-
43	0.5	GN/BU	3889	DEF Power Module Relay Control	I	-
44	-	-	-	Not Occupied	-	-
45	0.5	BU	3017	Fuel Heater Relay Control 1	I	-
46	0.5	VT/YE	5947	Variable Nozzle Turbo Position Sensor Signal	I	-
47 - 49	-	-	-	Not Occupied	-	-
50	0.5	WH/RD	6054	Exhaust Pressure Sensor 5V Reference 1	I	-
51	0.5	BU	6053	Exhaust Pressure Sensor Signal 1	I	-
52	0.5	BK/YE	6055	Exhaust Pressure Sensor Low Reference 1	I	-
53 - 56	-	-	-	Not Occupied	-	-