ABS and Engine Management Systems
ABS and Other Systems
The automotive industry has developed a number of safety systems to deal with emergency braking, the most common of which is ABS (Anti-lock Braking System). As the owner of a car fitted with ABS, please be aware of the fact that you should not attempt to bleed the brake system.
Sensors positioned at the wheel hubs detect when a wheel locks up and starts skidding. The ABS control valve then reduces the braking power to the hydraulic circuit of that wheel, releasing the grip of the brake caliper on that disc. This process is repeated at high frequency until the wheel has regained traction under braking.
WARNING!
ABS will just about disable your brakes while you brake hard over rumble strips!
- ABS: Anti-lock Braking System
- EBD: Electronic Braking Distribution
- EBS: Electronic Braking System
- ESC: Electronic Stability Control (=ESP)
- ATC: Automatic Traction Control
Engine Management Systems
Engine management systems serve various functions, one of which is to detect faults, and store that information until a technician with the appropriate software can access the stored code and delete it.
Until such time as a stored fault is deleted, a warning light or code will flash on your instrument panel, even if the original reason for the alarm has been attended to and rectified. The necessary software to delete such an alarm is not always freely available to technicians other than the manufacturer's agents, and in that case the work may have to be contracted to a third party.
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