Document ID: 5241377

K20 Engine Control Module X3 (LTG)

Connector Part Information Harness Type:Engine OEM Connector:34566-0203 Service Connector:19333091 Description:73-Way F 0.64, 2.8 Series, Sealed(BK with GY Terminal Position Assurance) Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool I 13579770 J-35616-35 (VT) J-38125-11A II 19330179 J-35616-64B (LT BU) J-38125-215A K20 Engine Control Module X3 (LTG) Pin Size Color Circuit Function Terminal Type ID Option 1 0.5 GY/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 II LTG 2 — — — Not Occupied — — 3 0.5 VT/GN 3889 Powertrain Sensor Bus Relay Control II LTG 4 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control II LTG 5 — — — Not Occupied — — 6 0.5 BN/RD 2917 Fuel Rail Pressure Sensor 5V Reference II LTG 7 — — — Not Occupied — — 8 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5V Reference II LTG+(NTB/NUB) 9 - 13 — — — Not Occupied — — 14 0.5 BK/VT 7331 Turbocharger Inlet Absolute Pressure Sensor 5 Volt Reference 2 II LTG 15 0.5 YE/RD 6031 Brake Vacuum Sensor 5V Reference II KL9+LTG 16 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply Voltage 5 II LTG 17 — — — Not Occupied — — 18 0.5 BN 25 Charge Indicator Control II LTG 19 0.5 GY 23 Generator Field Duty Cycle Signal II LTG 20 0.5 BK/GN 580 Engine Control Sensors Low Reference 2 II LTG 21 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal II LTG 22 0.5 BK/GN 2919 Fuel Rail Pressure Sensor Low Reference II LTG 23 - 29 — — — Not Occupied — — 30 0.5 GY/RD 7332 Turbocharger Inlet Absolute Pressure Sensor 5 Volt Feedback Signal 2 II LTG 31 - 34 — — — Not Occupied — — 35 0.5 GN 6935 HO2S Pump Current Trim Signal II LTG 36 0.5 YE/GY 6936 HO2S Signal II LTG 37 0.5 BN/WH 6933 HO2S Pump Current Signal II LTG 38 0.5 BN 6934 HO2S Ground II LTG 39 — — — Not Occupied — — 40 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal II LTG 41 0.5 BN/GN 1174 Oil Level Switch Signal II — 42 — — — Not Occupied — — 43 0.5 BU/VT 1589 Primary Fuel Level Sensor Signal II LTG 44 0.5 BU/WH 1937 Secondary Fuel Level Sensor Signal II F48+LTG 45 — — — Not Occupied — — 46 0.5 VT/BU 7330 Turbocharger Inlet Absolute Pressure Sensor Signal 2 II LTG 47 0.5 WH/BU 7329 Pre-Throttle Air Temperature Signal II LTG 48 0.5 YE 3054 Turbocharger Intake Pressure Sensor Signal Bank 1 II LTG 49 - 51 — — — Not Occupied — — 52 0.5 VT/BK 7300 High Pressure Fuel Pump Low Control II LTG 53 - 54 — — — Not Occupied — — 55 0.5 GN/VT 4621 Engine Control Module LIN Bus 1 II — 56 - 58 — — — Not Occupied — — 59 0.5 BK/GY 2303 Knock Sensor Low Reference 2 II LTG 60 0.5 WH/GY 1876 Knock Sensor 2 Signal II LTG 61 0.5 BK/YE 1716 Knock Sensor Low Reference 1 II LTG 62 0.5 VT/GY 496 Knock Sensor 1 Signal II LTG 63 - 67 — — — Not Occupied — — 68 0.5 BU/WH 890 Fuel Tank Pressure Sensor Signal II LTG+(NTB/NUB) 69 — — — Not Occupied — — 70 0.5 WH 1579 Fuel Temperature/Composition Signal II — 71 — — — Not Occupied — — 72 0.5 YE 7301 High Pressure Fuel Pump High Control II LTG 73 2 BK/WH 151 Signal Ground I LTG

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	13579770	J-35616-35 (VT)	J-38125-11A
II	19330179	J-35616-64B (LT BU)	J-38125-215A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	GY/WH	3113	HO2S Heater Low Control Bank 1 Sensor 1	II	LTG
2	—	—	—	Not Occupied	—	—
3	0.5	VT/GN	3889	Powertrain Sensor Bus Relay Control	II	LTG
4	0.5	GN/BU	428	EVAP Canister Purge Solenoid Control	II	LTG
5	—	—	—	Not Occupied	—	—
6	0.5	BN/RD	2917	Fuel Rail Pressure Sensor 5V Reference	II	LTG
7	—	—	—	Not Occupied	—	—
8	0.5	YE/RD	2709	Fuel Tank Pressure Sensor 5V Reference	II	LTG+(NTB/NUB)
9 - 13	—	—	—	Not Occupied	—	—
14	0.5	BK/VT	7331	Turbocharger Inlet Absolute Pressure Sensor 5 Volt Reference 2	II	LTG
15	0.5	YE/RD	6031	Brake Vacuum Sensor 5V Reference	II	KL9+LTG
16	0.5	VT/BU	5294	Powertrain Main Relay Fused Supply Voltage 5	II	LTG
17	—	—	—	Not Occupied	—	—
18	0.5	BN	25	Charge Indicator Control	II	LTG
19	0.5	GY	23	Generator Field Duty Cycle Signal	II	LTG
20	0.5	BK/GN	580	Engine Control Sensors Low Reference 2	II	LTG
21	0.5	BU/WH	2918	Fuel Rail Pressure Sensor Signal	II	LTG
22	0.5	BK/GN	2919	Fuel Rail Pressure Sensor Low Reference	II	LTG
23 - 29	—	—	—	Not Occupied	—	—
30	0.5	GY/RD	7332	Turbocharger Inlet Absolute Pressure Sensor 5 Volt Feedback Signal 2	II	LTG
31 - 34	—	—	—	Not Occupied	—	—
35	0.5	GN	6935	HO2S Pump Current Trim Signal	II	LTG
36	0.5	YE/GY	6936	HO2S Signal	II	LTG
37	0.5	BN/WH	6933	HO2S Pump Current Signal	II	LTG
38	0.5	BN	6934	HO2S Ground	II	LTG
39	—	—	—	Not Occupied	—	—
40	0.5	GN/WH	432	Manifold Absolute Pressure Sensor Signal	II	LTG
41	0.5	BN/GN	1174	Oil Level Switch Signal	II	—
42	—	—	—	Not Occupied	—	—
43	0.5	BU/VT	1589	Primary Fuel Level Sensor Signal	II	LTG
44	0.5	BU/WH	1937	Secondary Fuel Level Sensor Signal	II	F48+LTG
45	—	—	—	Not Occupied	—	—
46	0.5	VT/BU	7330	Turbocharger Inlet Absolute Pressure Sensor Signal 2	II	LTG
47	0.5	WH/BU	7329	Pre-Throttle Air Temperature Signal	II	LTG
48	0.5	YE	3054	Turbocharger Intake Pressure Sensor Signal Bank 1	II	LTG
49 - 51	—	—	—	Not Occupied	—	—
52	0.5	VT/BK	7300	High Pressure Fuel Pump Low Control	II	LTG
53 - 54	—	—	—	Not Occupied	—	—
55	0.5	GN/VT	4621	Engine Control Module LIN Bus 1	II	—
56 - 58	—	—	—	Not Occupied	—	—
59	0.5	BK/GY	2303	Knock Sensor Low Reference 2	II	LTG
60	0.5	WH/GY	1876	Knock Sensor 2 Signal	II	LTG
61	0.5	BK/YE	1716	Knock Sensor Low Reference 1	II	LTG
62	0.5	VT/GY	496	Knock Sensor 1 Signal	II	LTG
63 - 67	—	—	—	Not Occupied	—	—
68	0.5	BU/WH	890	Fuel Tank Pressure Sensor Signal	II	LTG+(NTB/NUB)
69	—	—	—	Not Occupied	—	—
70	0.5	WH	1579	Fuel Temperature/Composition Signal	II	—
71	—	—	—	Not Occupied	—	—
72	0.5	YE	7301	High Pressure Fuel Pump High Control	II	LTG
73	2	BK/WH	151	Signal Ground	I	LTG


Connector Part Information Harness Type:Engine OEM Connector:34566-0203 Service Connector:19333091 Description:73-Way F 0.64, 2.8 Series, Sealed(BK with GY Terminal Position Assurance)