Electronic Brake Control Module (EBCM) - JL4

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

Courtesy of GENERAL MOTORS CORP.

Electronic Brake Control Module (EBCM) - JL4 Connector & Terminal Parts Information

Connector Part Information

Terminal Part Information

Electronic Brake Control Module (EBCM) - JL4 Terminal Identification

Pin	Wire Color	Circuit No.	Function
A	D-GN	2878	Precharge Motor Low
B	RD	4042	Battery Positive Voltage
C	BK	2851	Ground
D	D-BU	2877	Precharge Motor High
E	BK	2150	Ground
F	RD	442	Battery Positive Voltage
1	D-GN	2087	Yaw Rate Sensor 5-Volt Reference
2	GY	626	5-Volt Reference
3	-	-	Not Used
4	L-BU	1122	ABS/TCS Class 2 Serial Data
5	L-BU	2088	Yaw Rate Sensor Low Reference
6	OG/BK	556	Steering Wheel Position Sensor Low Reference
7-10	-	-	Not Used
11	BN	441	Ignition 3 Voltage
12-13	-	-	Not Used
14	OG/BK	463	Requested Torque Signal
15	TN/BK	464	Delivered Torque Signal
16	-	-	Not Used
17	L-BU	715	Lateral Accelerometer Signal
18-20	-	-	Not Used
21	L-GN/BK	5352	Sensor Self Test Signal Circuit
22	PU	420	TCC Brake Switch/Cruise Control Release Signal
23	L-GN	1763	Steering Wheel Position Signal A
24	YE	5353	Yaw Rate Frequency
25	L-BU	1059	Steering Wheel Position Sensor Signal 1
26	WH	1765	Steering Wheel Position Marker Pulse Signal
27	L-BU	1764	Steering Wheel Position Signal B
28	-	-	Not Used
29	L-BU	2206	Traction Control Preference Switch Signal
30	D-BU	716	Yaw Rate Sensor Signal
31	PU	333	Brake Level Switch Signal
32	YE/BK	1827	Vehicle Speed Signal
33	YE	873	Left Front Wheel Speed Sensor Low Reference
34	L-BU	830	Left Front Wheel Speed Sensor Signal
35	TN	833	Right Front Wheel Speed Sensor Low Reference
36	D-GN	872	Right Front Wheel Speed Sensor Signal
37	RD	885	Left Rear Wheel Speed Sensor Low Reference
38	BK	884	Left Rear Wheel Speed Sensor Signal
39	WH	883	Right Rear Wheel Speed Sensor Low Reference
40	BN	882	Right Rear Wheel Speed Sensor Signal