Antilock Brakes / Traction Control Systems

Connector pin assignment for control unit (PSD/ABS)





1 - Voltage, terminal 15
2 - Operation of ABS rear-axle solenoid valve
3 - Ground. ABS solenoid valve, front right
4 - K wire from diagnosis
5 - Operation of pump motor relay on hydraulic unit
6 - Free
7 - Operation of valve relay on hydraulic unit
8 - Free
9 - Ground of acceleration sensor
10 - Speed sensor output at rear right for RDK (tire pressure monitoring system) control unit
11 - Voltage, terminal 30
12 - Speed sensor output at rear left for RDK control unit*
13 - Free
14 - Free
15 - Voltage supply (+5V) for acceleration sensor
16 - Speed sensor output at front right for RDK control unit*
17 - Monitoring, voltage supply for ABS solenoid valves
18 - Free
19 - Operation of ABS solenoid valve, front left
20 - Voltage for valve and motor relays on hydraulic unit
21 - Operation of transverse lock solenoid valve
22 - Operation of ABS solenoid valve, front right
23 - Monitoring of voltage supply for lock solenoid valve
24 - Operation of ABS warning lamp
25 - Free
26 - Free
27 - D + ( terminal 81/ charge)
28 - Free
29 - Brake light switch
30 - L wire from diagnosis
31 - Pump motor monitoring (hydraulic unit)
32 - Free
33 - Free
34 - Signal from lateral acceleration sensor
35 - Operation of instrument duster: PSD oft
36 - Free
37 - Ground, ABS solenoid valves, front left + rear axle
38 - Free
39 - Free
40 - Indicator lamp (green) for PSD function
41 - Free
42 - Ground, shield, speed sensor at rear right
43 - Signal, speed sensor at rear right
44 - Ground, shield, speed sensor at rear left
45 - Signal, speed sensor at rear left
46 - Ground, shield, speed sensor at front right
47 - Signal, speed sensor at front right
48 - Ground, shield, speed sensor at front left
49 - Free
50 - Signal, speed sensor at front left
51 - Free
52 - Electronics ground
53 - Speed sensor output at front right for RDK control unit
54 - Free
55 - Free