Citroën Picasso Xsara Technical Training Multiplexed BSI Manual

152
Chapter 1
There are two types of air conditioning management, depending  on the engine:
1.6i
(TU5JP engine)    1.8i (EW7J4 engine)    2.0 TD (DW10TD engine)
Type C
Type D
X
X
X
Type C:  the engine  management ECU  does not  control the  engine cooling.  The
engine ECU is  called "non FRIC".  The coolant temperature warning  signal is sent
to the BSI by the air conditioning management unit.
Type  D: the  engine management  ECU  controls the  engine cooling.  The  engine
ECU is called "FRIC". The coolant temperature warning signal is sent to the BSI by
the engine management ECU.
II -    GENERAL LAYOUT
1320
3
7
4
6
B
C
2
BSI5
1
A
Key:
single arrow = wire connection
triple arrow = multiplexed connection
MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 8
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