skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Interrogating control unit version > < Summary of Components of Hydraulic Control Unit, Brake Servo Unit/Master Brake Cylinder for vehicles with ABS, ABS/EDL Mark 20
Self-diagnosis of the ABS/EDL for four-wheel drive vehicles with Haldex coupling
Self-diagnosis of the ABS/EDL for four-wheel drive vehicles with Haldex coupling
Interrogating control unit version → Chapter
Fault table for the ABS/EDL of four-wheel drive vehicles with Haldex coupling → Chapter
Code ABS/EDL control unit → Chapter
Check longitudinal acceleration sender -G251- → Chapter
Check data BUS cable → Chapter
Initiate basic setting → Chapter
Switch off longitudinal acceleration sender -G251- → Chapter
Null balance of the longitudinal acceleration sender -G251- → Chapter
The self-diagnosis for four-wheel drive vehicles with Haldex coupling is almost identical for vehicles with ABS/EDL.
  Note
Only the differences to the „normal“ ABS/EDL system are described in the self-diagnosis.
Characteristic feature of four-wheel drive vehicles with the Haldex coupling
A longitudinal acceleration sender is positioned in the ABS system -G251-.
t  Fitting location → Chapter
t  Fault table → Chapter
The longitudinal acceleration sender must be switched off for checking the brake system on a roller type test stand -G251- → Chapter, initiate basic setting, display group number 040.
The reactivation of the longitudinal acceleration sender -G251- is performed by switching the ignition off and on once.
All four-wheel drive vehicles with Haldex coupling are fitted with the EDL (electronic differential lock).
   

Interrogating control unit version > < Summary of Components of Hydraulic Control Unit, Brake Servo Unit/Master Brake Cylinder for vehicles with ABS, ABS/EDL Mark 20