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)

Pin	Wire	Circuit	Function
1	3 RD/BK	142	Battery Positive Voltage
2	0.5 GY	6031	5-Volt Reference
3	0.5 WH	320	Engine Mount Solenoid Control (W49)
4	-	-	Not Used
5	0.5 WH	1294	Variable Effort Steering Actuator Voltage (NV7)
6	0.5 TN	833	Low Reference
7-9	-	-	Not Used
10	0.5 OG	6030	Brake Vacuum Sensor Signal
11	0.5 D-GN/WH	817	Vehicle Speed Signal (U3R or UZR or UVB)
12	0.5 L-BU	2088	Low Reference
13	3 BK/WH	251	Ground
14	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
15	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
16	0.5 YE/BK	6032	Low Reference
17	-	-	Not Used
18	0.5 D-GN	872	Right Front Wheel Speed Sensor Signal
19	0.5 BN	882	Right Rear Wheel Speed Sensor Signal
20	0.5 OG	885	Low Reference
21	0.5 L-BU	830	Left Front Wheel Speed Sensor Signal
22-23	-	-	Not Used
24	0.5 L-GN/BK	6432	CAN Bus Low Serial Data
25	2 RD/WH	3540	Battery Positive Voltage
26	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
27	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
28	0.5 BN	1295	Variable Effort Steering Actuator Control (NV7)
29-30	-	-	Not Used
31	0.5 WH	883	Low Reference
32	0.5 D-GN	2087	12-Volt Reference
33	0.5 TN	884	Left Rear Wheel Speed Sensor Signal
34	0.5 YE	873	Low Reference
35	0.5 L-BU	5986	Communication Enable
36	-	-	Not Used
37	0.5 TN/WH	6433	CAN Bus High Serial Data
38	2 BK/WH	251	Ground

Connector Part Information  OEM: 31381-1005 Service: See Catalog Description: 38-Way F 2.8 Series, Sealed (BK)

Terminal Part Information  Pins: 1, 13, 25, 38 Terminal/Tray: 15304720/19 Core/Insulation Crimp: 4/5 Release Tool/Test Probe: 15315247/J-35616-4A (PU) Pins: 2, 3, 5, 6, 10-12, 14-16, 18-20, 21, 24, 26-28, 31-35, 37 Terminal/Tray: 7116-3703-02/14 Core/Insulation Crimp: 9/9 Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)