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Battery monitoring control unitJ367 > < Replacing the battery on vehicles with "start-stop" system

Octavia Mk2

Voltage stabilizerJ532
Voltage stabilizer -J532-
The voltage stabilizer -J532- is located under the left front seat.
Its task is to stabilise the high voltage drop of the on-board power supply, resulting from the start-stop operation, to 12 volts.
If it becomes apparent that the electrical consumers (such as radio/navigation, telephone, dash panel insert) must be reset at each engine start, while operating the start-stop system, this indicates that the voltage stabilizer is defective.
If the above mentioned consumers fail at the same time, first of all check the fuse of the voltage stabilizer see → Current flow diagrams, Electrical fault finding and Fitting locations.
A direct entry relating to a malfunction of the voltage stabilizer via → Vehicle diagnostic tester is not made at present.
Removing
–  Switch off the ignition and all electrical components.
–  Push the left front seat as far backward as possible and to the highest point.
   
–  Slightly raise the edges of the cover -arrows A- and pull out the cover -arrow B-.
  S91-0181
–  Unscrew fixing screws -arrows- (3 Nm).
–  Disconnect plug and remove unit.
Install
Installation is carried out in the reverse order.
  S27-0126

Battery monitoring control unitJ367 > < Replacing the battery on vehicles with "start-stop" system