ABS circuit (I)
ABS circuit (II)
Circuit diagram I - ABS
Circuit diagram (II) - ABS with ESP (Electronic Stability Program)
View of the connecting connector of the brake system controller (EBCM) and location of contacts
ABS (with ESP) pin assignment
Contact number
|
Electrical circuit function
|
1
|
Accumulator battery (hydraulic motor)
|
2
|
-
|
3
|
VSS signal (Steering sensor) from SSPS module (Power steering module that changes the amount of power with a change in speed)
|
4
|
-
|
5
|
-
|
6
|
-
|
7
|
-
|
8
|
Communication enabled (Body electronics control unit and all-wheel drive control unit)
|
9
|
-
|
10
|
-
|
11
|
Main GMLAN - High speed output. (high speed CAN bus)
|
12
|
Main GMLAN - High speed input. (high speed CAN bus)
|
13
|
Main GMLAN - High speed input. (low speed CAN bus)
|
14
|
Main GMLAN - High speed output. (low speed CAN bus)
|
15
|
-
|
16
|
grounding
|
17
|
-
|
18
|
Yaw sensor, high speed CAN bus
|
19
|
Yaw sensor, low speed CAN bus
|
20
|
-
|
21
|
-
|
22
|
Yaw Sensor Power (base voltage - 12 V)
|
23
|
-
|
24
|
-
|
25
|
-
|
26
|
-
|
27
|
-
|
28
|
-
|
29
|
Yaw sensor (low base voltage - ground)
|
30
|
-
|
31
|
-
|
32
|
Accumulator battery (electronics and valves)
|
33
|
Wheel Speed Sensor - Front Right (low base voltage - ground)
|
34
|
Wheel Speed Sensor - Front Right (Signal)
|
35
|
-
|
36
|
Wheel Speed Sensor - Rear Left (Signal)
|
37
|
Wheel Speed Sensor - Rear Left (low base voltage - ground)
|
38
|
HCD signal (Hill Descent Control System)
|
39
|
-
|
40
|
-
|
41
|
-
|
42
|
Wheel Speed Sensor - Rear Right (low base voltage - ground)
|
43
|
Wheel Speed Sensor - Rear Right (Signal)
|
44
|
-
|
45
|
Wheel Speed Sensor - Front Left (Signal)
|
46
|
Wheel Speed Sensor - Front Left (low base voltage - ground)
|
47
|
-
|