Electronic Brake Control Module (EBCM)

Fig 1: Electronic Brake Control Module (EBCM) Connector End View

Courtesy of GENERAL MOTORS CORP.

Electronic Brake Control Module (EBCM) Connector Parts Information

Connector Part Information

Terminal Part Information

Pins: 3, 11, 12, 13, 14, 18, 19, 22, 29, 33, 34, 36, 37, 42, 43, 45, 46, 8
Terminal/Tray: 638551-1/16
Core/Insulation Crimp: Pins 3, 11, 12, 13, 14, 18, 19, 22, 29, 33, 34, 36, 37, 42, 43, 45, 46 - K/K
Core/Insulation Crimp: Pins 8 - J/J
Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)

Electronic Brake Control Module (EBCM) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD/BK	142	Battery Positive Voltage
2	-	-	Not Used
3	D-GN/WH	817	Vehicle Speed Signal
4-7	-	-	Not Used
8	L-BU	5986	Serial Data Communication Enable
11	TN/BK	2500	High Speed GMLAN Serial Data Bus+
12	TN/BK	2500	High Speed GMLAN Serial Data Bus+
13	TN	2501	High Speed GMLAN Serial Data Bus-
14	TN	2501	High Speed GMLAN Serial Data Bus-
15	-	-	Not Used
16	BK	250	Ground MD540 IP ONLY "Engine Speed Signal"
17	-	-	Not Used
18	TN/WH	6433	CAN Bus High Serial Data
19	L-GN/BK	6432	CAN Bus Low Serial Data
20-21	-	-	Not Used
22	GY	6044	Steering Angle Sensor 5 Volt Reference
23-28	-	-	Not Used
29	OG/BK	6045	Steering Angle Sensor Low Reference
30-31	-	-	Not Used
32	RD/WH	140	Battery Positive Voltage
33	TN	833	Right Front Wheel Speed Sensor Low Reference
34	D-GN	872	Right Front Wheel Speed Sensor Signal
35	-	-	Not Used
36	TN	884	Left Rear Wheel Speed Sensor Signal
37	OG	885	Left Rear Wheel Speed Sensor Low Reference
38-41	-	-	Not Used
42	WH	883	Right Rear Wheel Speed Sensor Low Reference
43	BN	882	Right Rear Wheel Speed Sensor Signal
44	-	-	Not Used
45	L-BU	830	Left Front Wheel Speed Sensor Signal
46	YE	873	Left Front Wheel Speed Sensor Low Reference
47	-	-	Not Used