Citroën Picasso Xsara Technical Training Multiplexed BSI Manual

125
Chapter 2
II -    REAR WIPER FUNCTION
On the  Xsara and  Xsara Picasso,  the BSI  controls a  standard rear  wiper (single
motor).
A -  BASIC FUNCTIONS
Function:
The rear wiper function has 3 operating modes:
OPERATING MODE
Wash / wipe control
DESCRIPTION
Used  to  wipe the  screen  continuously
when the rear washer is activated.
Intermittent wipe control
Used   to  wipe   the  screen   at  regular
intervals. This  timer is linked  to  vehicle
speed on the XSARA PICASSO.
Wiper control linked to reverse gear   Used  to   wipe  the   rear  screen   when
reverse   gear    is    engaged    (XSARA
PICASSO).
B -  INTERMITTENT REAR  WIPER  MODE LINKED  TO  VEHICLE  SPEED  AND
WINDSCREEN WIPER MODE
Function:
When the  rear  wiper control  is requested,  the BSI controls  the  rear wiper  in
intermittent  mode. The  parked time  between  2 wipe  cycles  depends on  the
vehicle  speed   and  the   wiping  speed  of   the  windscreen   wipers  (XSARA
PICASSO only).
C - REAR WASHER FUNCTION
Function:
The rear  washer pump  is not  controlled by  the BSI. The  rear washer control
controls the  washer pump directly  and leads to a  rear screen  wipe request to
the  BSI.   When  the  driver  stops   operating  the  washer  control,   the  wiper
performs another 3 complete wipe cycles before stopping.
Note:
The washer control is only taken into consideration when the ignition  is
on.
MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 6
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CategoriesCitroën Manuals, Citroën Picasso Manuals, Citroën Xsara Manuals
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