Engine Control Module Connector End Views. Cadillac STS 2006

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2006 🢒 STS 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 5L40-E/5L50-E 🢒 Engine Control Module Connector End Views

Connector 1:	Engine Control Module (ECM) C1
Connector 2:	Engine Control Module (ECM) C2

Engine Control Module (ECM) C1

Connector Part Information

OEM: 1928403513
Service: 15306245
Description: 64-Way F Unknown (BK)

Terminal Part Information

Pins: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 21, 23, 25, 26, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 62, 63, 64
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Engine Control Module (ECM) C1

Pin	Wire Color	Circuit No.	Function
1	TN	407	KS Low Reference Bank 2
2	OG	5278	Heated Oxygen Sensor Input Pump Current Bank 1 Sensor (1)
3	L-GN	5280	Heated Oxygen Sensor Input Pump Current Bank 2 Sensor (1)
4	OG	5275	Camshaft Position Intake Sensor (1)
5	GY	605	Reference Voltage Feed - 5-Volt Reference
6	YE	7017	Variable Intake Manifold Position Signal
7	TN	470	Low Reference
8	PU	486	Throttle Position Sensor Signal 2
9	D-GN/WH	2124	IC 4 Control
10	WH/BK	5039	Engine Speed Sensor High
11	--	--	Not Used
12	OG/BK	5272	Camshaft Phaser Intake Solenoid (2)
13	L-GN	5282	Camshaft Phaser Exhaust Solenoid (1)
14	--	--	Not Used
15	BN	582	Throttle Motor Feed - Close
16	GY/WH	5037	Heated Oxygen Sensor Heater High Control Bank 2 Sensor (2)
17	GY	1716	Knock Sensor Return
18	TN	1653	Oxygen Sensor Return - Left - Forward of Catalytic Converter
19	PU/WH	1666	Oxygen Sensor Signal - Right - Forward of Catalytic Converter
20	D-GN	5273	Camshaft Position Exhaust Sensor (1)
21	GY	23	Alternator Field Duty Cycle Signal
22	--	--	Not Used
23	YE	410	Coolant Temperature Sensor Signal
24	--	--	Not Used
25	L-BU/WH	2126	IC 6 Control
26	OG/WH	2122	IC 2 Control
27-28	--	--	Not Used
29	PU	5284	Camshaft Phaser Intake Solenoid (1)
30	WH/BK	5283	Camshaft Phaser Exhaust Solenoid (2)
31	YE	581	Throttle Motor Feed - Open
32	L-GN	5038	Heated Oxygen Sensor Heater High Control Bank 1 Sensor (3)
33	D-BU	496	Knock Sensor Signal 1
34	PU	1665	Oxygen Sensor Signal - Left - Forward of Catalytic Converter
35	WH	5281	Heated Oxygen Sensor Pump Current Bank 2 Sensor (1)
36	PU	5274	Camshaft Position Exhaust Sensor (2)
37	BN	1174	Oil Level Sensor Signal
38	D-GN/WH	357	Oil Temperature Sensor Signal
39	TN	2752	Sensor Return - Throttle Position Sensor
40	TN/BK	231	Oil Pressure Switch Signal
41	D-GN	2125	IC 5 Control
42	PU	2121	IC 1 Control
43	OG	225	Alternator Output - Regulator Reference Voltage
44	L-BU/BK	5041	Intake Manifold Control (1)
45	L-BU/BK	844	Fuel Injector 4 Output
46	PK/BK	1746	Fuel Injector 3 Output
47	TN/WH	845	Fuel Injector 5 Output
48	L-GN/WH	428	EVAP Canister Purge Solenoid Control
49	GY/BK	1798	Return
50	L-BU	1876	Knock Sensor Signal 2
51	PU/WH	5279	Heated Oxygen Sensor Pump Current Bank 1 Sensor (1)
52	TN	1667	Oxygen Sensor Return - Right - Forward of Catalytic Converter
53	YE	5276	Camshaft Position Intake Sensor (2)
54	GY	2701	Reference Voltage Feed - 5-Volt Ref - Throttle Position Sensor
55	D-GN	485	Throttle Position Sensor Signal 1
56	OG/BK	5266	Ambient Air Pressure Sensor Signal
57	GY	705	Reference Voltage Feed - 5-Volt Reference
58	L-BU	2123	IC 3 Control
59	PU/WH	5024	Engine Speed Sensor Low
60-61	--	--	Not Used
62	L-GN/BK	1745	Fuel Injector 2 Output
63	TN	1744	Fuel Injector 1 Output
64	YE/BK	846	Fuel Injector 6 Output

Engine Control Module (ECM) C2

Connector Part Information

OEM: 1928403386
Service: 88956567
Description: 64-Way F Unknown (BK)

Terminal Part Information

Pins: 1, 2, 3, 17, 18, 33, 39, 4, 7, 8, 9, 10, 11, 12, 19, 20, 22, 23, 24, 25, 26, 27, 29, 32, 35, 36, 40, 41, 42, 43, 44, 49, 50, 55, 56, 57, 58, 60, 61
Terminal/Tray: 1928498016/17
Core/Insulation Crimp: Pins 1, 2, 3, 17, 18, 33, 39 - See Terminal Repair Kit
Core/Insulation Crimp: Pins 4, 7, 8, 9, 10, 11, 12, 19, 20, 22, 23, 24, 25, 26, 27, 29, 32, 35, 36, 40, 41, 42, 43, 44, 49, 50, 55, 56, 57, 58, 60, 61 - N/N
Release Tool/Test Probe: J-38125-560/J-35616-64B (L-BU)

Engine Control Module (ECM) C2

Pin	Wire Color	Circuit No.	Function
1	PK/BK	5290	Engine Main Relay Fused Control (1)
2	BK/WH	3122	Oxygen Sensor Heater Control Low - Front
3	PK	239	Run/Crank Ignition 1 Voltage
4	D-BU	473	High Speed Cooling Fan Relay Control
5-6	--	--	Not Used
7	WH/BK	1164	Electronic Throttle - Pedal Position 5-Volt Ref 1
8	PU	1272	Electronic Throttle - Pedal Position 2
9	RD/BK	380	Air Conditioning Refrigerant Pressure Sensor Signal
10	WH	17	Stop Lamp Switch Signal
11	TN	472	Manifold Absolute Temperature Sensor Signal
12	D-GN	890	Fuel Tank Pressure Sensor Signal
13-16	--	--	Not Used
17	PK/BK	5290	Engine Main Relay Fused Control (1)
18	RD/WH	3223	Oxygen Sensor Signal - Bank 2 Sensor 2 Heater Control Low
19	D-GN/WH	465	Fuel Pump Primary Relay Control
20	D-GN	335	Low Speed Cooling Fan Relay Control
21	--	--	Not Used
22	BN	818	Vehicle Speed Signal
23	TN/BK	2500	High Speed GMLAN Serial Data (+) (1)
24	BN	5069	Engine Main Relay Coil Control
25	BK	452	Sensor Return
26	BK	2760	Sensor Return - Induction Air Temperature
27	L-BU	1937	Fuel Gage Sensor Signal - Right
28	--	--	Not Used
29	PU/WH	1668	Heated Oxygen Sensor High Signal Bank 1 Sensor (2)
30-31	--	--	Not Used
32	OG/BK	1786	Transmission Park/Neutral Signal
33	WH	1310	Canister Vent Valve Solenoid Output
34	--	--	Not Used
35	YE	447	Starter Relay Coil Control
36	RD/WH	1440	Battery Positive Voltage
37-38	--	--	Not Used
39	GY	596	Reference Voltage Feed - 5-Volt Reference
40	BN	1271	Electronic Throttle - Pedal Position Return 1
41	TN	1671	Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)
42	D-BU	1936	Fuel Gage Sensor Signal - Left
43	YE	492	Mass Air Flow Signal
44	L-BU	1162	Electronic Throttle - Pedal Position Signal 2
45-48	--	--	Not Used
49	D-GN/WH	459	A/C Compressor Clutch Relay Control
50	BN/WH	419	Check Engine Indicator Lamp Output
51-54	--	--	Not Used
55	TN	2501	High Speed GMLAN Serial Data (-) (1)
56	TN	1274	Electronic Throttle - Pedal Position 5-Volt Ref 2
57	TN/WH	1669	Oxygen Sensor Return - Left - Rear of Catalytic Converter
58	YE/BK	5728	ECM/TCM Serial Data Wake Up
59	--	--	Not Used
60	D-BU	1161	Electronic Throttle - Pedal Position Signal 1
61	PU	1670	Heated Oxygen Sensor High Signal Bank 2 Sensor (2)
62-64	--	--	Not Used