Steering: Description and Operation

Definitions
These explanations refer only to this assembly group: Suspension Steering, Wheels. They are not intended to be universally applicable.

Part No.
Abbreviation for part number.

On Board Diagnostics
The ability of the electronic control module:
^ to detect malfunctions,
^ to react to malfunctions,
^ to store trouble codes,
^ to take readings and display them in the data block.

Performing on board diagnostics
Connecting the scan tool to read out the DTC memory.

Vehicle diagnostics, measurement and information system VAS 5051
Terms such as- Tester, scan tool, VAS5051 refer to this equipment.

Steering angle sensor G85
The steering angle sensor G85 recognizes the direction in which the steering wheel is being turned, left or right, and how far the driver is turning the wheel.

Guided Fault Finding
One of three operating modes of the VAS5051. The two others are- Vehicle On Board Diagnostics and Measuring Equipment

Start basic setting
Learned values in the electronic control module are reset to starting values.

Toe
Offset adjustment of wheel plane to direction of travel..

Toe-in differential angle
Difference between steering angle of the inner and outer wheels during a turn.

Camber
Angle between wheel plane and a vertical to plane of road surface. It is positive when the top of the wheel leans outward and negative when it leans inward.

SW
Abbreviation for width across flats.

Triple roller joint (tripod joint)
Widely used version of constant velocity with three rollers in the form of a star.