Citroën Picasso Xsara Technical Training Multiplexed BSI Manual

159
Chapter 2
OPERATING PRINCIPLE
I -     COMPRESSOR MANAGEMENT  FUNCTION
The compressor is controlled by the BSI. It takes into account:
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•
•
•
•
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the compressor engaging request (A/C),
the icing up safety of the evaporator,
the air conditioning pressure,
the engine speed,
the engine coolant temperature,
the dialogue with the engine management ECU.
A -  COMPRESSOR ENGAGING REQUEST
The request to engage the compressor is sent  from the air conditioning control
panel to the compressor control management electronics via the  VAN network.
Action
the request is taken into account
the engine is running
IF condition
AND condition    the blower motor is activated
MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 8
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AUTOMOBILES CITROËN Toute reproduction ou traduction même partielle sans  l'autorisation écrite d'AUTOMOBILES CITROËN est interdite et constitue une contrefaçon
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