D30

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 hydrau lic unit

7 - Operation of valve relay on hydraulic unit

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*

15 - Voltage supply (+5V) for acceleration sen sor

16*- Speed sensor output at front right for RDK control unit*

1 additionally for vehicle speed. PIN 16 (front left) on mod. 1991/ 1992. PIN 12 (rear left) as of mod. 1993.

17 - Monitoring, voltage supply for ABS so lenoid valves

19 - Operation of ABS solenoid valve, front left

20 - Voltage for valve and motor relays on hy draulic unit

21 - Operation of transverse lock solenoid valve

22 - Operation of ABS solenoid valve, front right

23 - Monitoring of voltage supply for lock so lenoid valve

24 - Operation of ABS warning lamp

29 - Brake light switch

30 - L wire from diagnosis

31 - Pump motor monitoring (hydraulic unit)

34 - Signal from lateral acceleration sensor

35 - Operation of instrument cluster: PSD off

37 - Ground, ABS solenoid valves, front left +

rear axle

40 - Indicator lamp (green) for PSD function

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

50 - Signal, speed sensor at front left

52 - Electronics ground

53 - Speed sensor output at front right for RDK

control unit

DTC memory

Overview of the possible fault displays

§§i Transverse lock valve

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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