Electronic Brake Control Module (EBCM) (JL4/JL9)

Fig 1: Electronic Brake Control Module (EBCM) (JL4/JL9) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	3 RD/BK	542	Battery Positive Voltage
2-4	-	-	Not Used
5	0.5 GY	1056	Steering Wheel Position Sensor 5V Reference Voltage
6-7	-	-	Not Used
8	0.5 PK	1439	Ignition 1 Voltage
9-10	-	-	Not Used
11	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
12	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
13	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
14	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
15	-	-	Not Used
16	3 BK	350	Ground
17	-	-	Not Used
18	0.5 PK/BK	6434	CAN Bus High Serial Data
19	0.5 GY/BK	6435	CAN Bus Low Serial Data
20-21	-	-	Not Used
22	0.5 D-GN	2087	12V Reference
23-25	-	-	Not Used
26	0.5 L-GN	6257	5-Volt Reference (JL4 with LNF)
27	0.5 L-GN/BK	6258	Low Reference (JL4 with LNF)
28	-	-	Not Used
29	0.5 L-BU	2088	Steering Wheel Position Sensor Low Reference
30-31	-	-	Not Used
32	2 RD/WH	740	Battery Positive Voltage
33	0.5 TN	833	Right Front Wheel Speed Sensor Low Reference
34	0.5 D-GN	872	Right Front Wheel Speed Sensor Signal
35	-	-	Not Used
36	0.5 TN	884	Left Rear Wheel Speed Sensor Signal
37	0.5 OG	885	Left Rear Wheel Speed Sensor Low Reference
38-39	-	-	Not Used
40	0.5 OG/BK	556	Steering Wheel Position Sensor Low Reference
41	0.5 D-BU	1809	Brake Booster Vacuum Sensor Signal (LNF)
42	0.5 WH	883	Right Rear Wheel Speed Sensor Low Reference
43	0.5 BN	882	Right Rear Wheel Speed Sensor Signal
44	-	-	Not Used
45	0.5 L-BU	830	Left Front Wheel Speed Sensor Signal
46	0.5 YE	873	Left Front Wheel Speed Sensor Low Reference
47	-	-	Not Used

Connector Part Information

Terminal Part Information