K20 Engine Control Module X1 Connector End View (LLT)

Fig 1: K20 Engine Control Module X1 (LLT) Connector End View

Courtesy of GENERAL MOTORS CORP.

K20 Engine Control Module X1 (LLT)

Pin	Wire	Circuit	Function
1	0.8 L-GN	5282	CMP Actuator Solenoid Control - Exhaust Bank 1
2	0.8 PU	5284	CMP Actuator Solenoid Control - Intake Bank 1
3	1 PU/WH	4906	Fuel Injector 6 Control
4	1 PU	4806	Fuel Injector 6 Control
5	1 YE	7301	High Pressure Fuel Pump Actuator High Control
6	0.8 D-GN/WH	428	EVAP Canister Purge Solenoid Control
7	0.5 OG	5275	Camshaft Position (CMP) Sensor - Intake Bank 1 Signal
8	-	-	Not Used
9	0.5 PU	5274	Camshaft Position (CMP) Sensor - Exhaust Bank 2 Signal
10	0.5 BN	25	Charge Indicator Control/Charge Indicator Signal
11-12	-	-	Not Used
13	0.5 BN/WH	2130	Low Reference
14	-	-	Not Used
15	0.5 GY	705	5-Volt Reference 2
16-17	-	-	Not Used
18	0.5 BN	7448	Vacuum Assist Pump Relay Coil Control
19-20	-	-	Not Used
21	0.35 TN/WH	585	Transmission Fluid Temperature Sensor Signal
22-23	-	-	Not Used
24	0.8 YE	581	TAC Motor Control - 1
25	0.8 WH/BK	5283	CMP Actuator Solenoid Control - Exhaust Bank 2
26	1 D-GN	4803	Fuel Injector 3 Control
27	1 D-GN/WH	4903	Fuel Injector 3 Control
28	1 L-GN	4805	Fuel Injector 5 Control
29	1 L-GN/WH	4905	Fuel Injector 5 Control
30	0.5 GY	23	Generator Field Duty Cycle Signal
31-32	-	-	Not Used
33	0.5 YE	5276	Camshaft Position (CMP) Sensor - Intake Bank 2 Signal
34	0.5 D-GN	5273	Camshaft Position (CMP) Sensor - Exhaust Bank 1 Signal
35	0.5 YE	573	CKP Sensor Signal
36	0.5 YE	2918	FRP Sensor Signal
37	-	-	Not Used
38	0.5 GY	2700	5-Volt Reference 3
39	0.5 GY	2701	5-Volt Reference 3
40	0.5 GY	2705	5-Volt Reference 1
41	0.5 TN	552	Low Reference
42	0.5 TN	808	Low Reference
43	0.5 BK	2755	Low Reference
44	0.5 TN	476	Low Reference
45	0.5 GY	605	5-Volt Reference 3
46	0.5 TN	452	Low Reference
47	-	-	Not Used
48	0.8 BN	582	TAC Motor Control - 2
49	0.8 OG/BK	5272	CMP Actuator Solenoid Control - Intake Bank 2
50	1 L-BU	4804	Fuel Injector 4 Control
51	1 BN	4801	Fuel Injector 1 Control
52	1 D-BU	4802	Fuel Injector 2 Control
53	1 D-BU/WH	4902	Fuel Injector 2 Control
54	-	-	Not Used
55	0.5 PU	2121	IC 1 Control
56	0.5 L-BU	2123	IC 3 Control
57	0.5 D-GN	2125	IC 5 Control
58	-	-	Not Used
59	0.5 D-BU	496	Knock Sensor (KS) 1 Signal
60	0.5 GY	2303	Knock Sensor (KS) 2 Signal
61	0.5 TN/WH	331	Oil Pressure Sensor Signal
62-66	-	-	Not Used
67	0.5 TN/WH	3111	HO2S Low Signal Bank 1 Sensor 1
68-69	-	-	Not Used
70	0.5 PU/WH	3210	HO2S High Signal Bank 2 Sensor 1
71	-	-	Not Used
72	0.8 L-GN	3212	HO2S Heater Low Control Bank 2 Sensor 1
73	1 PU	7300	High Pressure Fuel Pump Actuator Low Control
74	1 L-BU/WH	4904	Fuel Injector 4 Control
75	1 BN/WH	4901	Fuel Injector 1 Control
76	1 PK/BK	5291	Ignition Voltage
77	1 PK/BK	5292	Ignition Voltage
78	0.5 BN	2129	Low Reference
79	0.5 OG/WH	2122	IC 2 Control
80	0.5 D-GN/WH	2124	IC 4 Control
81	0.5 L-BU/WH	2126	IC 6 Control
82	0.5 YE	410	ECT Sensor Signal
83	0.5 GY	1716	Knock Sensor (KS) 1 Signal
84	0.5 L-BU	1876	Knock Sensor (KS) 2 Signal
85-87	-	-	Not Used
88	0.5 TN	2752	Low Reference
89	0.5 PU	486	TP Sensor 2 Signal
90	0.5 D-GN	485	TP Sensor 1 Signal
91	-	-	Not Used
92	0.5 PU/WH	3110	HO2S High Signal Bank 1 Sensor 1
93	0.5 TN/WH	3211	HO2S Low Signal Bank 2 Sensor 1
94-95	-	-	Not Used
96	0.8 GY/WH	3113	HO2S Heater Low Control Bank 1 Sensor 1

Connector Part Information  Harness Type: Engine OEM Connector: 15438366 Service Connector: 19149311 Description: 96-Way F Sealed (BK)

Terminal Part Information  Pins: 3-5, 26-29, 50-53, 73-77 Terminated Lead: 13575545 Release Tool: J-38125-213 Diagnostic Test Probe: J-35616-16 (L-GN) Terminal/Tray: 1928498135/19 Core/Insulation Crimp: K/K Pins: 7, 9, 10, 13, 15, 18, 30, 34-36, 38-46, 48, 49, 55-57, 59-61, 67, 70, 72, 78-84, 88-90, 92, 93, 96 Terminated Lead: 13575545 Release Tool: J-38125-213 Diagnostic Test Probe: J-35616-16 (L-GN) Terminal/Tray: 1928498135/19 Core/Insulation Crimp: J/J Pin: 21 Terminated Lead: 13575552 Release Tool: J-38125-213 Diagnostic Test Probe: J-35616-16 (L-GN) Terminal/Tray: 1928498135/19 Core/Insulation Crimp: P/P