ABS/ESP System, Component Overview

ABS/ESP system, component overview





1. Bracket for hydraulic control unit
2. Vacuum pump for brake booster
^ 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 sensor1 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 VAS5051 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
17. Left rear ABS wheel speed sensor G46
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

24. Left front ABS wheel speed sensor G47