Note Equip 2 control unit connector auxiliary leads selfmade with 2 tab connectors N 174572 so that the connector contacts in the device plug are not damaged during the test

1 Voltage, terminal 15

2 Operation of ABS rear axle solenoid valve

3 Ground, ABS solenoid valve, front right

4 K-lead from diagnosis

5 Operation of pump motor relay on hydraulic assembly

6 Free

7 Operation of valve relay on hydraulic assembly

8 Free

9 Ground of acceleration sensors

10 Speed sensor output at rear right for rear spoiler auxiliary control unit

11 Voltage, terminal 30

12 Free

13 Signal from longitudinal acceleration sensor

14 Free

15 Voltage supply ( + 5V) for acceleration sensors

16 Free

17 Monitoring, voltage supply for ABS solenoid valves

18 Operation of longitudinal lock solenoid valve

19 Operation of ABS solenoid valve, front left

20 Voltage for valve and motor relays on hydraulic assembly

21 Operation of transverse lock solenoid valve

22 Operation of ABS solenoid valve, front right

23 Monitoring of voltage supply for lock solenoid valves

24 Operation of ABS warning lamp

25 Free

55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38

37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20

26 Free

28 Full-lock switch

29 Brake light switch

30 L-lead from diagnosis

31 Pump motor monitoring (hydraulic assembly)

32 Free

33 Free

34 Signal from transverse acceleration sensor

35 Operation of lock warning lamp

36 Free

37 Ground, ABS solenoid valves, front left + rear axle

38 Free

39 Free

40 Pilot lamp for lock function at full-lock switch

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 Free

51 Signal, speed sensor at front left

52 Electronics ground

53 Free

54 Free

55 Free

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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