K20 Engine Control Module X3 (LSA)

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-0203
Service Connector: 88988372
Description: 73-Way F MX123 34566 Series (BK with GY Terminal Position Assurance Lock)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray	Core Crimp	Insulation Crimp
I	13575575	J-35616-64B (L-BU)	J-38125-213	33467-0005	23	J	J
II	13575811	J-35616-64B (L-BU)	J-38125-213	33467-0003	23	H	H
III	13575575	J-35616-64B (L-BU)	J-38125-213	33467-0005	23	K	K
IV	Not Available	J-35616-35 (VT)	J-38125-11A	7116-4152-02	9	A	5

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1-2	-	-	-	Not Occupied	-	-
3	0.5	TN	1667	HO2S Low Signal - Bank 2 Sensor 1	I	-
4	0.5	PU	1666	HO2S High Signal - Bank 2 Sensor 1	I	-
5	0.5	PU	1670	HO2S High Signal - Bank 2 Sensor 2	I	-
6	0.5	TN	1671	HO2S Low Signal - Bank 2 Sensor 2	I	-
7	0.5	BN	25	Charge Indicator Control	I	-
8	0.5	OG	5494	Reverse Lockout Solenoid Signal	I	MG9
9-12	-	-	-	Not Occupied	-	-
13	0.5	GY	587	Skip Shift Signal	I	MG9
14	0.35	YE	258	Waste Gate Solenoid Control	II	-
15	0.5	L-GN	3212	HO2S Heater Low Control - Bank 2 Sensor 1	I	-
16	0.5	PK	2014	Charge Air Cooler Coolant Pump Control	I	-
17	-	-	-	Not Occupied	-	-
18	0.8	D-GN/WH	357	Oil Temperature Sensor Signal	I	-
19-20	-	-	-	Not Occupied	-	-
21	0.35	BK/WH	2751	Signal Ground	I	-
22	0.8	OG/BK	6014	Barometric Pressure Sensor Low Reference	III	-
23	0.5	OG/BK	469	Manifold Absolute Pressure Sensor Low Reference	III	-
24-26	-	-	-	Not Occupied	-	-
27	0.35 0.35	WH WH	6110 6110	Clutch Apply Sensor Low Reference Brake Apply Sensor Low Reference	I	- -
28	-	-	-	Not Occupied	-	-
29	0.5	GY	23	Generator Field Duty Cycle Signal	I	-
30-32	-	-	-	Not Occupied	-	-
33	0.5	TN	2501	High Speed GMLAN Serial Data Bus?	I	-
34	0.8	TN	470	Sensor Low Reference	I	-
35	0.5	TN	2761	Coolant Temperature Sensor Low Reference	III	-
36	0.8	YE/BK	6120	Manifold Air Temperature Sensor Low Reference	III	-
37	0.5	GY	2700	A/C Pressure Sensor 5 Volt Reference	I	-
38	0.8	WH/BK	2932	Barometric Pressure Sensor (5) Volt Reference	III	-
39	0.8	GY	2704	Manifold Absolute Pressure Sensor 5 Volt Reference	III	-
40-42	-	-	-	Not Occupied	-	-
43	0.5	TN	6109	Clutch Apply Sensor Voltage Reference	I	-
44	-	-	-	Not Occupied	-	-
45	0.35	L-GN	5007	Backup Lamp Switch Signal	II	MG9
46	0.5	OG/BK	1786	Transmission Park/Neutral Signal (1)	I	-
47	-	-	-	Not Occupied	-	-
48	0.5	D-GN/WH	428	EVAP Canister Purge Solenoid Control	I	-
49	0.5	D-GN	335	Low Speed Cooling Fan Relay Control	I	-
50	0.5	OG/WH	3223	HO2S Heater Low Control - Bank 2 Sensor 2	I	-
51-52	-	-	-	Not Occupied	-	-
53	0.5	TN/BK	2500	High Speed GMLAN Serial Data Bus+	I	-
54	-	-	-	Not Occupied	-	-
55	0.5	YE	410	Engine Coolant Temperature Sensor Signal	III	-
56	0.8	L-BU	6118	Manifold Air Temperature Sensor Signal	III	-
57	0.5	OG/BK	380	A/C Refrigerant Pressure Sensor Signal	I	-
58	0.8	GY/BK	433	Barometric Pressure Sensor Signal	III	-
59	0.8	L-GN	432	Manifold Absolute Pressure Sensor Signal	III	-
60-62	-	-	-	Not Occupied	-	-
63	0.5	YE	5380	Brake Position Sensor Signal	I	-
64	-	-	-	Not Occupied	-	-
65	0.8	BN	1174	Oil Level Switch Signal	III	-
66	0.5	GY/BK	6355	Output Speed High Signal Output	II	-
67	0.35	PU/WH	6356	Output Speed Low Signal	II	-
68-72	-	-	-	Not Occupied	-	-
73	3	BK	1550	Ground	IV	-