K20 Engine Control Module X3 (LTG)

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-0203
Service Connector: 88988372
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	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	13579770	J-35616-4A (PU)	J-38125-11A	7116-4152-02	Yazaki 9	2	5
II	19301532	J-35616-64B (LT BU)	J-38125-213	Not Available	Not Available	Not Available	Not Available
III	19330179	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	0.5	GY/WH	3113	Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1	III	-
2 - 3	-	-	-	Not Occupied	-	-
4	0.5	GN/BU	428	EVAP Canister Purge Solenoid Control	III	-
5	-	-	-	Not Occupied	-	-
6	0.5	BN/RD	2917	Fuel Rail Pressure Sensor 5V Reference	III	-
7 - 13	-	-	-	Not Occupied	-	-
14	0.5	BK/VT	7331	Pre Throttle Air Temp and Press (TMAP) 5V Reference	II	-
15	0.5	YE/RD	6031	Brake Vacuum Sensor 5V Reference	III	-
16	0.5	VT/BU	5293	Powertrain Main Relay Fused Supply 4	III	-
17	0.5	WH/GY	4578	Surge Accumulator Solenoid Low Side Control	III	-
18	0.5	BN	25	Charge Indicator Control	III	-
19	0.5	GY	23	Generator Field Duty Cycle Signal	III	-
20	0.5	BK/GN	6281	Fuel Level Sensor Low Reference	III	-
21	0.5	BU/WH	2918	Fuel Rail Pressure Sensor Signal	III	-
22	0.5	BK/GN	2919	Fuel Rail Pressure Sensor Low Reference	III	-
23 - 29	-	-	-	Not Occupied	-	-
30	0.5	GY/RD	7332	Pre Throttle Air Temp and Press (TMAP) Low Reference	III	-
31 - 34	-	-	-	Not Occupied	-	-
35	0.5	GN	6935	Heated Oxygen Sensor Current Adjust Signal	II	-
36	0.5	YE/GY	6936	Heated Oxygen Sensor Collector Signal	II	-
37	0.5	BN/WH	6933	Heated Oxygen Sensor Current Pump Signal	II	-
38	0.5	BN	6934	Heated Oxygen Sensor Ground	II	-
39	-	-	-	Not Occupied	-	-
40	0.5	GN/WH	432	Manifold Absolute Pressure Sensor Signal	III	-
41	0.5	BN/GN	1174	Oil Level Switch Signal	III	-
42	-	-	-	Not Occupied	-	-
43	0.5	BU/VT	1589	Primary Fuel Level Sensor Signal	III	-
44 - 45	-	-	-	Not Occupied	-	-
46	0.5	VT/BU	7330	Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal	II	-
47	0.5	WH/BU	7329	Pre-Throttle Air Temp and Press (TMAP) Temperature Signal	II	-
48	0.5	YE	3054	Turbo Intake Pressure Sensor Signal Bank 1	III	-
49 - 51	-	-	-	Not Occupied	-	-
52	0.5	VT/BK	7300	High Pressure Fuel Pump Actuator Low - Control	II	-
53 - 54	-	-	-	Not Occupied	-	-
55	0.5	GN/VT	4621	Local Interconnect Network Serial Data Bus 21	II	-
56 - 58	-	-	-	Not Occupied	-	-
59	0.5	BK/GY	2303	Knock Sensor Low Reference 2	III	-
60	0.5	WH/GY	1876	Knock Sensor Signal 2	III	-
61	0.5	BK/YE	1716	Knock Sensor Low Reference 1	III	-
62	0.5	VT/GY	496	Knock Sensor Signal 1	II	-
63 - 71	-	-	-	Not Occupied	-	-
72	0.5	YE	7301	High Pressure Fuel Pump Actuator High - Control	II	-
73	2	BK/WH	451	Signal Ground	I	-