Engine Control Module Connector End Views. Chevrolet Malibu 2007

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Malibu 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 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: 13542537
Service: See Catalog
Description: 73-Way F MX123 34566 Series Sealed (BK)

Terminal Part Information

Pins: 1, 9, 12-13, 16-20, 23-24, 27-34, 36, 48, 50, 52, 56, 58-61, 63-65, 68
Terminal/Tray: 33467-0003/23
Core/Insulation Crimp: H/H
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 10-11, 37-38, 41, 47, 49, 69
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins 10, 11, 47, 49, 69 - K/K
Core/Insulation Crimp: Pins 37, 38, 41 - J/J
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 73
Terminal/Tray: 7116-4152-02/9
Core/Insulation Crimp: 2/5
Release Tool/Test Probe: 12094430/J-35616-35 (VT)

Engine Control Module (ECM) C1

Pin	Wire Color	Circuit No.	Function
1	OG/BK	1786	Park/Neutral Signal
2-8	--	--	Not Used
9	WH	17	Stop Lamp Supply Voltage
10	PU	3120	HO2S High Signal (Bank 1 Sensor 2)
11	TN/WH	3121	HO2S Low Signal (Bank 1 Sensor 2)
12	OG/BK	380	A/C Refrigerant Pressure Sensor Signal
13	TN	5514	Low Reference
14-15	--	--	Not Used
16	PU	1589	Fuel Level Sensor Signal
17	D-BU	473	High Speed Cooling Fan Relay Control
18	BN	4	Accessory Voltage
19	PK	639	Ignition 1 Voltage
20	RD/WH	540	Battery Positive Voltage
21-22	--	--	Not Used
23	PU	1272	Low Reference
24	D-GN	890	Fuel Tank Pressure Sensor Signal
25-26	--	--	Not Used
27	TN	2501	High Speed GMLAN Serial Data Bus-
28	TN/BK	2500	High Speed GMLAN Serial Data Bus+
29	D-BU	1161	APP Sensor 1 Signal
30	BN	1271	Low Reference
31	OG/BK	1057	Low Reference
32	L-BU	1162	APP Sensor 2 Signal
33	GY	705	5-Volt Reference 1
34	GY	2700	5-Volt Reference 1
35	--	--	Not Used
36	TN	1274	5-Volt Reference 1
37	TN	472	IAT Sensor Signal
38	TN/BK	2760	Low Reference
41	YE	492	MAF Sensor Signal
42-46	--	--	Not Used
47	PK/BK	5290	Ignition 1 Voltage
48	BN	818	Engine Speed Signal
49	TN	3221	HO2S Low Signal (Bank 2 Sensor 2)
50	D-GN/WH	465	Fuel Pump Relay Control
51	--	--	Not Used
52	PU/WH	6386	Starter Relay Coil Control
53-55	--	--	Not Used
56	WH/BK	1164	5-Volt Reference 2
57	--	--	Not Used
58	D-GN	335	Low Speed Cooling Fan Relay Control
59	BN	5069	Main Relay Control
60	TN	2759	Low Reference
61	WH	1310	EVAP Canister Vent Solenoid Control
62	--	--	Not Used
63	D-GN/WH	459	A/C Compressor Clutch Relay Control
64	OG/WH	3223	HO2S Heater Low Control (Bank 2 Sensor 2)
65	GY/WH	3122	HO2S Heater Low Control (Bank 2 Sensor 1)
66-67	--	--	Not Used
68	BN/WH	419	MIL Control
69	PU	3220	HO2S High Signal (Bank 2 Sensor 2)
70-72	--	--	Not Used
73	BK	451	Ground

Engine Control Module (ECM) C2

Connector Part Information

OEM: 13542562
Service: See Catalog
Description: 80-Way F MX123 34566 Series Sealed (GY)

Terminal Part Information

Pins: 2-3, 8, 12-13, 16, 21-22, 24, 32-35, 41, 43-44, 50, 52-53, 58, 61, 63-66, 68-72, 78
Terminal/Tray: 33467-0003/23
Core/Insulation Crimp: H/H
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: 5-6, 17-20, 26-27, 29-30, 37, 40, 56-57, 59-60
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins 5-6, 56-57, 59-60 - K/K
Core/Insulation Crimp: Pins 17-20, 26-27, 29-30, 37, 40 - J/J
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Engine Control Module (ECM) C2

Pin	Wire Color	Circuit No.	Function
1	--	--	Not Used
2	L-GN	1867	5-Volt Reference 2
3	GY	2701	5-Volt Reference 2
4	--	--	Not Used
5	BN	582	TAC Motor Control - 2
6	YE	581	TAC Motor Control - 1
7	--	--	Not Used
8	D-GN/WH	428	EVAP Canister Purge Solenoid Control
9-11	--	--	Not Used
12	GY/WH	3113	HO2S Heater Low Control (Bank 1 Sensor 1)
13	L-GN	3212	HO2S Heater Low Signal (Bank 2 Sensor 1)
14-15	--	--	Not Used
16	BN	2198	Camshaft Position Actuator Solenoid High Control
17	L-GN/BK	1745	Fuel Injector 2 Control
18	YE/BK	846	Fuel Injector 6 Control
19	TN/WH	845	Fuel Injector 5 Control
20	TN	1744	Fuel Injector 1 Control
21	YE	410	ECT Sensor Signal
22	TN	2761	Low Reference
23	--	--	Not Used
24	OG/BK	1175	Low Reference
25	--	--	Not Used
26	D-BU	496	KS 1 Signal
27	GY	1716	KS 1 Signal
28	--	--	Not Used
29	L-BU	1876	KS 2 Signal
30	GY	2303	KS 2 Signal
31	--	--	Not Used
32	GY	23	Generator Field Duty Cycle Signal
33	BN	1174	Oil Level Switch Signal
34	BK	2755	Low Reference
35	TN	2752	Low Reference
36	--	--	Not Used
37	L-BU/BK	844	Fuel Injector 4 Control
38	TN/BK	2760	Low Reference
39	--	--	Not Used
40	PK/BK	1746	Fuel Injector 3 Control
41	GY	2705	5-Volt Reference 1
42	--	--	Not Used
43	GY	2704	5-Volt Reference 1
44	OG/WH	812	5-Volt Reference 1
45-49	--	--	Not Used
50	TN/WH	331	Oil Pressure Sensor Signal
51	--	--	Not Used
52	TN	2199	Low Reference
53	OG/BK	469	Low Reference
54-55	--	--	Not Used
56	TN/WH	3111	HO2S Low Signal (Bank 1 Sensor 1)
57	PU/WH	3110	HO2S High Signal (Bank 1 Sensor 1)
58	L-GN	432	MAP Sensor Signal
59	PU/WH	3210	HO2S Reference Voltage (Bank 2 Sensor 1)
60	TN/WH	3211	HO2S Low Reference (Bank 2 Sensor 1)
61	OG	225	Generator Turn On Signal
62	--	--	Not Used
63	PU	486	TP Sensor 2 Signal
64	BN/WH	633	CMP Sensor Signal
65	D-GN	485	TP Sensor 1 Signal
66	PK/BK	632	Low Reference
67	--	--	Not Used
68	L-BU/BK	647	Medium Resolution Engine Speed Signal
69	PU	574	Low Reference
70	PU	2121	IC 1 Control
71	OG/WH	2122	IC 2 Control
72	L-BU	2123	IC 3 Control
73-77	--	--	Not Used
78	YE	2174	Low Reference
79-80	--	--	Not Used