K20 Engine Control Module X2

Fig 1: K20 Engine Control Module X2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Size	Color	Circuit	Function	Option
1	0.5	-	-	Not Used	-
2	0.5	L-GN	1867	5-Volt Reference	-
3	0.5	GY	2701	5-Volt Reference	-
4	-	-	-	Not Used	-
5	0.75	BN	582	TAC Motor Control - 2	-
6	0.75	YE	581	TAC Motor Control - 1	-
7	-	-	-	Not Used	-
8	0.75	D-GN/WH	428	EVAP Canister Purge Solenoid Control	-
9	0.75	GY	5493	Cylinder Shutoff Solenoid Control 3	-
10	0.75	D-BU	5491	Cylinder Shutoff Solenoid Control 1	-
11	0.75	OG	5494	Cylinder Shutoff Solenoid Control 4	-
12	0.5	GY/WH	3113	HO2S Heater Low Control (Bank 1 Sensor 1)	-
13	0.5	L-GN	3212	HO2S Heater Low Control (Bank 2 Sensor 1)	-
14	0.75	L-GN	5492	Cylinder Shutoff Solenoid Control 2	-
15-16	-	-	-	Not Used	-
17	0.75	D-BU/WH	878	Fuel Injector 8 Control	-
18	0.75	BN/WH	845	Fuel Injector 5 Control	-
19	0.75	YE/BK	846	Fuel Injector 6 Control	-
20	0.75	BN/BK	1744	Fuel Injector 1 Control	-
21	0.5	YE/D-GN	410	ECT Sensor Signal	-
22	0.5	BN/WH	2761	Low Reference	-
23	0.5	D-GN/YE	357	Oil Temperature Sensor Signal	-
24	0.5	BN/RD	470	Low Reference	-
25	-	-	-	Not Used	-
26	0.5	D-BU	496	Knock Sensor 1 Signal	-
27	0.5	GY	1716	Low Reference Knock Sensor Signal Return	-
28	-	-	-	Not Used	-
29	0.5	L-BU	1876	Knock Sensor 2 Signal	-
30	0.5	BN	407	Low Reference	-
31	-	-	-	Not Used	-
32	0.5	PU/WH	23	Generator Field Duty Cycle Signal	-
33	0.5	BN	1174	Oil Level Switch Signal	-
34	0.5	BK	2755	Low Reference	-
35	0.5	BN/BK	2752	Low Reference	-
36	-	-	-	Not Used	-
37	0.75	L-GN/BK	1745	Fuel Injector 2 Control	-
38	0.75	PK/BK	1746	Fuel Injector 3 Control	-
39	0.75	L-BU/BK	844	Fuel Injector 4 Control	-
40	0.75	OG/BK	877	Fuel Injector 7 Control	-
41	0.5	GY	2705	5-Volt Reference	-
42	-	-	-	Not Used	-
43	0.5	GY	2704	5-Volt Reference	-
44	0.5	OG	631	5-Volt Reference	-
45-49	-	-	-	Not Used	-
50	0.5	BN/WH	331	Oil Pressure Sensor Signal	-
51-52	-	-	-	Not Used	-
53	0.5	OG/BK	469	Low Reference	-
54-55	-	-	-	Not Used	-
56	0.5	BN/YE	1664	HO2S Low Signal (Bank 1 Sensor 1)	-
57	0.5	PU/WH	1665	HO2S High Signal (Bank 1 Sensor 1)	-
58	0.5	L-GN	432	MAP Sensor Signal	-
59	0.5	PU	1666	HO2S High Signal (Bank 2 Sensor 1)	-
60	0.5	BN/RD	1667	HO2S Low Signal (Bank 2 Sensor 1)	-
61	0.5	OG/WH	225	Generator Turn On Signal	-
62	-	-	-	Not Used	-
63	0.5	PU	486	TP Sensor 2 Signal	-
64	0.5	BN/WH	633	CMP Sensor Signal	-
65	0.5	D-GN	485	TP Sensor 1 Signal	-
66	0.5	PK/BK	632	Low Reference	-
67	-	-	-	Not Used	-
68	0.5	D-BU/WH	1869	CKP Sensor Signal	-
69	0.5	YE/BK	1868	Low Reference	-
70	0.5	PU	2121	IC 1 Control	-
71	0.5	PU/WH	2128	IC 8 Control	-
72	0.5	OG	2127	IC 7 Control	-
73	0.5	OG/WH	2122	IC 2 Control	-
74	0.5	L-BU/WH	2126	IC 6 Control	-
75	0.5	D-GN/RD	2125	IC 5 Control	-
76	0.5	D-GN/WH	2124	IC 4 Control	-
77	0.5	L-BU	2123	IC 3 Control	-
78	0.5	BN	2129	Low Reference	-
79	0.5	BN/WH	2130	Low Reference	-
80	-	-	-	Not Used	-

Connector Part Information

Harness Type: Engine
OEM Connector: 7287-3540-40
Service Connector: 13579715
Description: 80-Way F

Terminal Part Information

Terminated Lead: Pending
Release Tool: J-38125-213
Diagnostic Test Probe: J-35616-64B (L-BU)