ABS/ESP System, Component Overview
ABS/ESP system, component overview
1 - Bracket for hydraulic control unit
2 - Brake booster vacuum pump
^ Only on gasoline engines with automatic transmission
3 - ABS control module J104
^ The ABS hydraulic unit N55 and ABS control module J104 together make up the hydraulic control unit.
4 - ABS hydraulic unit N55 with ABS control module J104
^ The ABS hydraulic unit N55 and ABS control module J104 together make up hydraulic control unit.
5 - Brake pressure sensor 1 G201
^ Screws onto hydraulic unit
6 - ABS hydraulic unit N55 with ABS control module J104
7 - Rotor for right front speed sensor
^ Checking / removing and installing
8 - Right Front ABS Wheel Speed Sensor G45
9 - Brake fluid level warning switch F34
10 - Instrument cluster
11 - Anti-slip control switch E132
^ Location: on center console
12 - Steering angle sensor G85
^ Location: Incorporated in return spring with slip ring on steering column
^ Performing zero compensation VAS 5051 vehicle diagnostic, testing and information system
13 - Transverse Acceleration Sensor G200 and Rotation Rate Sensor G202
^ Location: Underneath radio
14 - Parking brake warning light switch F9
^ Location: On parking brake lever unit
15 - Rotor for right rear speed sensor
^ Checking front wheel drive
^ Checking all wheel drive
16 - Right rear ABS wheel speed sensor G44
^ Removing and installing (vehicles with front wheel drive)
^ Removing and installing (vehicles with all wheel drive)
17 - Left rear ABS wheel speed sensor G46
^ Removing and installing (vehicles with front wheel drive) ^ Removing and installing (vehicles with all wheel drive)
18 - Rotor for left rear speed sensor
^ Checking front wheel drive
^ Checking all wheel drive
19 - Traction control indicator lamp K86
^ Location: In instrument cluster
^ See Owners Manual for further information
20 - ABS warning lamp K47
^ Location: In instrument cluster
^ See Owners Manual for further information
21 - Brake System Warning Lamp K118; "brake warning" symbol
^ Location: In instrument cluster in driver information system
^ See Owners Manual for further information
22 - Brake light switch F
23 - Rotor for front left speed sensor
^ Checking / removing and installing
24 - Left front ABS wheel speed sensor G47