Engine Control Module Connector End Views. Chevrolet Express

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Express - AWD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 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: 15438366
Service: 89046933
Description: 96-Way F Mixed Series, Sealed (BK)

Terminal Part Information

Terminal/Tray: 1928498135/19
Core/Insulation Crimp: See Terminal Repair Kit
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Engine Control Module (ECM) - C1

Pin	Wire Color	Circuit No.	Function
1	OG	5421	Injector Positive Voltage Control
2	D-BU/WH	878	Fuel Injector 8 Control Group 4
3	OG/BK	877	Fuel Injector 7 Control Group 2
4-5	--	--	Not Used
6	OG/BK	469	Low Reference
7	PU	806	Crank Voltage
8	--	--	Not Used
9	BN	1174	Oil Level Switch Signal
10	GY/BK	87	Cruise Control Resume/Accel Switch Signal
11	GY/BK	6272	Low Reference
12	GY	2704	5-Volt Reference 3
13	TN	5928	5-Volt Reference 3
14	--	--	Not Used
15	GY	2705	5-Volt Reference 2
16-17	--	--	Not Used
18	YE	492	MAF Sensor Signal
19	L-GN	432	MAP Sensor Signal
20	YE	5947	Turbocharger Vane Position Sensor Signal
21	L-BU	1162	APP Sensor 2 Signal
22	YE/BK	508	Water in Fuel Indicator Control
23	BK	2755	Low Reference
24	PU/WH	2530	Fuel Pressure Regulator Solenoid Supply Voltage
25	PK	5425	Injector Positive Voltage Control
26	YE/BK	846	Fuel Injector 6 Control Group 2
27	PK/BK	1746	Fuel Injector 3 Control Group 4
28-29	--	--	Not Used
30	OG/BK	2919	Low Reference
31-33	--	--	Not Used
34	D-BU	84	Cruise Control Set/Coast Switch Signal
35-36	--	--	Not Used
37	GY	2702	5-Volt Reference 3
38	TN	1274	5-Volt Reference 2
39	TN	2917	5-Volt Reference 2
40	PU/WH	6270	5-Volt Reference 1
41	D-BU	6259	5-Volt Reference 1
42	TN	472	IAT Sensor 1 Signal
43	--	--	Not Used
44	TN/WH	331	Oil Pressure Sensor Signal
45-46	--	--	Not Used
47	TN	2761	Low Reference
48	D-BU	5930	Turbocharger Vane Position Control Solenoid Valve Control
49	PU	5423	Injector Positive Voltage Control
50	TN/WH	845	Fuel Injector 5 Control Group 3
51	L-BU/BK	844	Fuel Injector 4 Control Group 1
52	--	--	Not Used
53	YE/BK	6120	Low Reference
54	--	--	Not Used
55	TN	476	Low Reference
56	D-BU/WH	6265	CMP Sensor Signal
57	--	--	Not Used
58	L-GN	1478	Coolant Level Switch Signal
59	D-GN	534	High Idle Switch Signal
60	--	--	Not Used
61	GY	397	Cruise Control On Switch Signal
62	TN	552	Low Reference
63	OG/BK	5929	Low Reference
64	--	--	Not Used
65	L-BU	6118	IAT Sensor 2 Signal
66	--	--	Not Used
67	BN/WH	5763	EGR Valve Position Signal
68	YE	410	ECT Sensor Signal
69-71	--	--	Not Used
72	YE	2834	Fuel Pressure Regulator Solenoid Control
73	YE	5422	Injector Positive Voltage Control
74	TN	1744	Fuel Injector 1 Control Group 1
75	L-GN/BK	1745	Fuel Injector 2 Control Group 3
76	RD/WH	840	Ignition 1 Voltage
77	RD/WH	440	Battery Positive Voltage
78	PU	1272	Low Reference
79	WH/BK	6271	CKP Sensor Signal
80	D-GN/WH	2523	A/C Request Signal (C60)
81-85	--	--	Not Used
86	TN	2753	Low Reference
87	--	--	Not Used
88	BN	6266	Low Reference
89-91	--	--	Not Used
92	YE	2918	FRP Sensor Signal
93-95	--	--	Not Used
96	WH	5931	Low Reference

Engine Control Module (ECM) - C2

Connector Part Information

OEM: 15462694
Service: 88988935
Description: 58-Way F Mixed Series, Sealed (BK)

Terminal Part Information

Pins: 1-6
Terminal/Tray: 1928498059/24
Core/Insulation Crimp: C/5
Release Tool/Test Probe: J-38125-561/J-35616- 4A (PU)

Pins: 9, 12, 15-17, 19, 21-25, 29, 30-34, 36, 38-41, 44-49, 54, 56, 57
Terminal/Tray: 1928498135/19
Core/Insulation Crimp: Pins 9, 12, 15-17, 19, 22, 25, 29-34, 36, 39-41, 44-49, 54, 56, 57 - P/P
Core/Insulation Crimp: Pins 21-24, 38 - See Terminal Repair Kit
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Engine Control Module (ECM) - C2

Pin	Wire Color	Circuit No.	Function
1	RD/WH	740	Ignition 1 Voltage
2	BK/WH	1551	Ground
3	RD/WH	740	Ignition 1 Voltage
4	BK/WH	1551	Ground
5	RD/WH	740	Ignition 1 Voltage
6	BK/WH	1551	Ground
7-8	--	--	Not Used
9	D-GN	1049	Class 2 Serial Data
10-11	--	--	Not Used
12	TN	1465	Fuel Pump Relay Control
13-14	--	--	Not Used
15	WH/BK	1164	5-Volt Reference 3
16	D-BU	507	Wait to Start Indicator Control
17	OG	2013	High Idle Indicator Control
18	--	--	Not Used
19	YE	5991	ECM Relay Control
20	--	--	Not Used
21	PK	439	Ignition 1 Voltage
22	PU	420	TCC Brake Switch/Cruise Control Release Signal
23	OG	225	Generator Turn On Signal
24	BN/WH	7076	Charge Indicator Control (KD9/YF2)
25	D-GN	603	A/C Low Pressure Switch Signal (C60)
26-28	--	--	Not Used
29	BN	1271	Low Reference
30	BN/WH	419	MIL Control
31	D-GN/WH	459	A/C Compressor Clutch Relay Control
32	YE/BK	625	Starter Enable Relay Control
33	OG/BK	5764	EGR Motor High Control
34	TN	2759	Low Reference
35	--	--	Not Used
36	PU	1589	Fuel Level Sensor Signal
37	--	--	Not Used
38	GY	23	Generator Field Duty Cycle Signal
39	OG/BK	1786	Park/Neutral Signal
40	L-BU	1320	Stop Lamp Switch Signal (Cutaway) or CHMSL Supply Voltage/Stop Lamp Supply Voltage
41	D-BU	6863	Low Reference
42-43	--	--	Not Used
44	TN	2501	High Speed GMLAN Serial Data Bus (-)
45	L-BU	2221	Signal High - Rear
46	L-GN/BK	5746	EGR Motor Low Control
47	BN	6062	Low Reference
48	YE	1578	Fuel Temperature Sensor Signal
49	D-BU	1161	APP Sensor 1 Signal
50-53	--	--	Not Used
54	YE/BK	1827	Vehicle Speed Signal
55	--	--	Not Used
56	PK	1020	Ignition 0 Voltage
57	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
58	--	--	Not Used