K20 Engine Control Module X2 (L99 or LS3) Connector End View

WARNING: This page is about a different car, the 2011 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: K20 Engine Control Module X2 (L99 or LS3) Connector End View

Courtesy of GENERAL MOTORS CORP.

K20 Engine Control Module X2 (L99 or LS3)

Pin	Wire	Circuit	Function
1	-	-	Not Available
2	0.5 PU/WH	6270	5-Volt Reference 2
3	0.5 GY	2701	5-Volt Reference 2
4	-	-	Not Available
5	0.8 BN	582	TAC Motor Control - 2
6	0.8 YE	581	TAC Motor Control - 1
7	-	-	Not Available
8	0.5 D-GN/WH	428	EVAP Canister Purge Solenoid Control
9	0.5 GY	5493	Valve Lifter Oil Manifold (VLOM) Assembly Cylinder 6 Shutoff Solenoid (L99)
10	0.5 D-BU	5491	Valve Lifter Oil Manifold (VLOM) Assembly Cylinder 1 Shutoff Solenoid (L99)
11	0.5 OG	5494	Valve Lifter Oil Manifold (VLOM) Assembly Cylinder 4 Shutoff Solenoid (L99)
11	0.5 OG	5494	Reverse Lockout Solenoid Control (M10)
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	0.5 L-GN	5492	Valve Lifter Oil Manifold (VLOM) Assembly Cylinder 7 Shutoff Solenoid (L99)
15	-	-	Not Available
16	0.5 PU	5284	CMP Actuator Solenoid Control - Intake Bank 1 (L99)
17	0.5 D-BU/WH	878	Fuel Injector 8 Control
18	0.5 TN/WH	845	Fuel Injector 5 Control
19	0.5 YE/BK	846	Fuel Injector 6 Control
20	0.5 TN	1744	Fuel Injector 1 Control
21	0.5 YE	410	ECT Sensor Signal
22	0.5 TN	2761	Low Reference
23	0.5 TN/WH	585	Transmission Fluid Temperature Sensor Signal (M10)
23	0.5 BN/L-BU	357	Oil Temperature Sensor Signal (MYC)
24	0.5 OG/BK	586	Low Reference (M10)
25	-	-	Not Available
26	0.5 D-BU	496	Knock Sensor (KS) 1 Signal
27	0.5 GY	1716	Knock Sensor (KS) 1 Signal
28	-	-	Not Available
29	0.5 L-BU	1876	Knock Sensor (KS) 2 Signal
30	0.5 GY	2303	Knock Sensor (KS) 2 Signal
31	-	-	Not Available
32	0.5 GY	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 TN	2752	Low Reference
36	-	-	Not Available
37	0.5 L-GN/BK	1745	Fuel Injector 2 Control
38	0.5 PK/BK	1746	Fuel Injector 3 Control
39	0.5 L-BU/BK	844	Fuel Injector 4 Control
40	0.5 OG/BK	877	Fuel Injector 7 Control
41	0.5 GY	2705	5-Volt Reference 1
42	-	-	Not Available
43	0.5 GY	2704	5-Volt Reference 1
44	0.5 D-BU	6259	5-Volt Reference 1
45-49	-	-	Not Available
50	0.5 TN/WH	331	Oil Pressure Sensor Signal
51	-	-	Not Available
52	0.5 TN	2199	Low Reference (L99)
53	0.5 OG/BK	469	Low Reference
54-55	-	-	Not Available
56	0.5 TN	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 TN	1667	HO2S Low Signal Bank 2 Sensor 1
61	0.5 BN	25	Charge Indicator Control/Charge Indicator Signal
62	-	-	Not Available
63	0.5 PU	486	TP Sensor 2 Signal
64	0.5 D-BU/WH	6265	Camshaft Position Signal
65	0.5 D-GN	485	TP Sensor 1 Signal
66	0.5 BN	6266	Low Reference
67	-	-	Not Available
68	0.5 WH/BK	6271	Crankshaft Position Sensor Signal
69	0.5 GY/BK	6272	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	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 Available

Connector Part Information

Harness Type: Engine
OEM Connector: 13716073
Service Connector: 19115670
Description: 80-Way F 0.64 Series, Sealed (GY with BK Cover)

Terminal Part Information

Terminated Lead: 13575575
Release Tool: J-38125-213
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins: 2, 3, 8-14, 16-24, 26, 27, 29, 30, 32-35, 37-41, 43, 44, 50, 52, 53, 56-61, 63-66, 68-79 - J/J
Core/Insulation Crimp: Pins: 5, 6 - K/K