Engine Control Module (ECM) C1

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Connector End Views

Courtesy of GENERAL MOTORS CORP.

Engine Control Module (ECM) Connector End Views

Connector Part Information

OEM: 13551263
Service: 88953346
Description: 56-Way F Micro-Pack 0.64 Series, Sealed (BU)

Terminal Part Information

Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64A (L-BU)

Engine Control Module (ECM) C1

Pin	Wire Color	Circuit No.	Function
1	TN/BK	2500	High Speed GMLAN Serial Data Bus+
2	TN	2501	High Speed GMLAN Serial Data Bus-
3	-	-	Not Used
4	BN/WH	419	MIL Control
5-6	-	-	Not Used
7	PU	1272	Low Reference
8	WH/BK	1164	5-Volt Reference
9	-	-	Not Used
10	BN	5069	Main Relay Control
11-13	-	-	Not Used
14	PK/BK	5290	Ignition 1 Voltage
15-17	-	-	Not Used
18	D-BU	5985	Accessory Wake Up Serial Data
19	PK	439	Ignition 1 Voltage
20	RD/WH	540	Battery Positive Voltage
21	-	-	Not Used
22	L-BU	1162	APP Sensor 2 Signal
23	-	-	Not Used
24	D-GN	890	Fuel Tank Pressure Sensor Signal
25	-	-	Not Used
26	OG/BK	380	A/C Refrigerant Pressure Sensor Signal
27-28	-	-	Not Used
29	BN	1271	Low Reference
30	GY	2700	A/C Pressure Sensor 5 Volt Reference
31	GY	2709	5-Volt Reference
32	WH	17	Stop Lamp Switch Signal
33-34	-	-	Not Used
35	TN	1274	5-Volt Reference
36	D-GN	335	Low Speed Cooling Fan Relay Control
37	PU	30	Fuel Level Sensor Signal
38-40	-	-	Not Used
41	D-BU	1161	APP Sensor 1 Signal
42-44	-	-	Not Used
45	D-GN/WH	465	Fuel Pump Relay Control [- Primary]
46-53	-	-	Not Used
54	WH	1310	EVAP Canister Vent Solenoid Control
55	BK/WH	2751	Low Reference
56	L-BU	473	High Speed Cooling Fan Relay Control