Definitions

These explanations refer only to this assembly group: Brake system. These definitions are not necessarily valid generally.

ABS
The Anti-Locking Brake System (ABS) is a regulating system in the brake system, that prevents locking when braking.

ABS/EDL
Anti-locking brake system with electronic differential lock. Further information on this can be found in the appropriate Self-study program No. 148.

Vehicle speed sensor
The vehicle speed sensor sends the speed signal to the control module.

On Board Diagnostic (OBD)
The capability of the control module:
to recognize malfunctions,
to react to malfunctions,
to store malfunctions,
to register malfunctions and make them available in the measured value block.

Performing On Board Diagnostic (OBD)
Connecting the scan tool to be able to check the Diagnostic Trouble Code (DTC) memory.

Vehicle diagnosis, testing and information system VAS 5051
Terms such as tester, scan tool, VAS 5051 refer to this device.

Guided fault finding
One of the VAS 5051's three operating modes. The other two are "Vehicle self-diagnosis" and "Test instruments".

Initiating basic setting
The values learn in the control module are turned back to the initial values.

VAS 5051
Vehicle diagnosis, testing and information system VAS 5051.