A52 ABS/ASC control unit

Plug connector overview

NumberX-pin, colourDescription
X117188-pin, NaturalPlug connector ABS/DSC control unit

Pin assignments at plug connector X1171

PinTypeDescription / Signal typeConnection /
Measuring notes
1EVoltage supply terminal 30Fuse F31
   
2AValve activationHydraulic unit Front left inlet valve
   
3ARelay activationValve relay
   
4 Not used 
   
5 Not used 
   
6AValve activationHydraulic unit Rear right inlet valve
   
7ARelay activationMotor relay
   
8 Not used 
   
9ASpeed signalConnector, front left wheel speed
   
10AVoltage supply for speed sensorWheel speed sensor, front left
   
11ASpeed sensor signalWheel speed sensor, rear right
   
12AVoltage supply for speed sensorWheel speed sensor, rear left
   
13ESpeed sensor signalWheel speed sensor, rear left
   
14AVoltage supply for speed sensorWheel speed sensor, front right
   
15ESpeed sensor signalWheel speed sensor, front right
   
16 Not used 
   
17 Not used 
   
18 Not used 
   
19EB+ supply/feedbackMotor relay
   
20 Not used 
   
21 Not used 
   
22 Not used 
   
23APositive activationADS actuator
   
24 Not used 
   
25AValve activationHydraulic unit Rear left outlet valve
   
26AValve activationHydraulic unit Intake valve
   
27AValve activationHydraulic unit Front right outlet valve
   
28MGroundGround point
   
29MGroundGround point
   
30 Not used 
   
31AASC warning lampInstrument cluster
   
32AABS warning lampInstrument cluster
   
33AValve activationHydraulic unit Front left outlet valve
   
34AValve activationHydraulic unit Rear right outlet valve
   
35ESpeed sensor signalWheel speed sensor, front left
   
36ARear right speed signalDME control unit
   
37ARelay activationValve relay
   
38AVoltage supply for speed sensorWheel speed sensor, rear right
   
39MComponent groundASC throttle potentiometer
   
40ARear left speed signalConnector, rear left wheel speed
   
41 Not used 
   
42AFront right speed sensorConnector, front right wheel speed
   
43APositive supply for throttle potentiometerASC throttle potentiometer
   
44ESignal, ASC passive sensorASC/DSC switch
   
45 Not used 
   
46E/ADiagnostic link TXDDiagnostic connector
   
47 Not used 
   
48EBrake signalBrake light switch
   
49AValve activationHydraulic unit Changeover valve
   
50 Not used 
   
51EVoltage supply terminal 30Fuse F8
   
52AValve activationHydraulic unit Rear left inlet valve
   
53AGround activationADS actuator
   
54AValve activationHydraulic unit Front right inlet valve
   
55MGroundGround point
   
56 Not used 
   
57 Not used 
   
58 Not used 
   
59 Not used 
   
60 Not used 
   
61E/ACAN bus highDME control unit
   
62 Not used 
   
63E/ACAN bus lowDME control unit
   
64EThrottle potentiometer slider voltageASC throttle potentiometer
   
65 Not used 
   
66 Not used 
   
67 Not used 
   
68 Not used 
   
69 Not used 
   
70 Not used 
   
71 Not used 
   
72 Not used 
   
73 Not used 
   
74 Not used 
   
75 Not used 
   
76EHand brake signalParking brake switch
   
77 Not used 
   
78 Not used 
   
79 Not used 
   
80 Not used 
   
81 Not used 
   
82 Not used 
   
83 Not used 
   
84 Not used 
   
85 Not used 
   
86 Not used 
   
87 Not used 
   
88 Not used