Iii - Bsi Inputs; Part - CITROEN XSARA Technical Training Manual
Multiplexed bsi operating principle
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Also See for XSARA:
- User manual (523 pages) ,
- Technical manual (56 pages) ,
- Manual (76 pages)
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III - BSI INPUTS
A - SUPPLIES
DESCRIPTION
+ accessories information
Supply to + accessories track for windscreen /
rear wash / wipe steering wheel stalk
+ALT permanent power supply
- +ignition on information
- Electronic redundant supply
+BAT permanent electronic supply, cut off
when parked by removing the shunt from the
Passenger Compartment Fuse Box
+BAT permanent power supply
+BAT
permanent
power
smartpowers
- Headlamp information
- Electrical redundant supply, track for number
plate, lighting of buttons
Analogue earth for sensors on passenger
compartment harness
Analogue earth for sensors on main harness
ECU earth
Power earth
B - WIRE INPUTS
DESCRIPTION
Battery charge / alternator excitation (Input-
Output)
Air
conditioning
compressor
authorisation
Rear wiper motor parked position information
Windscreen wiper motor parked position
information
Engine coolant temperature warning information Coolant Temperature Management Unit
Impact detection information
Right hand indicators request
Left hand indicators request
Boot or tailgate not closed switch
Central locking request button
Driver's door internal opening contact
Front passenger's door internal opening contact
Rear right hand passenger's door open switch
Rear left hand passenger's door open switch
Driver's door open switch
Front passenger's door open switch
Bonnet not closed switch
Fuel flow information
Engine ECU fault information
On-board ECU scroll request
Heated rear screen and door mirrors de-icing
request (except RFTA climate control)
MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1
© AUTOMOBILES CITROËN Toute reproduction ou traduction même partielle sans l'autorisation écrite d'AUTOMOBILES CITROËN est interdite et constitue une contrefaçon
11
Ignition switch - accessories - ignition position
Alternator
Ignition switch - ignition - cranking positions
Battery
Battery
supply
for
Battery
Lighting / headlamp signalling steering wheel
stalk
Alternator
engaging
Engine management ECU
Rear wiper motor
Windscreen wiper motor
FRIC Engine management ECU
Thermoswitch
Inertia switch
Lighting / signalling steering wheel stalk
Steering wheel stalk
Boot switch
Locking information (on dashboard)
Driver's door lock
Passenger's door lock
Rear right hand door open switch
Rear left hand door open switch
Front left hand door open switch
Front right hand door open switch
Bonnet switch
Engine ECU
Engine ECU
Steering wheel stalk
De-icing button
EMITTER
ORIGIN
Chapter 2
TYPE
XSP XS
All or Nothing
1
12
Supply
Supply
1
12
Supply
1
12
All or Nothing
Supply
1
12
Supply
1
12
Supply
1
12
Supply
1
12
All or Nothing
Earth
1
12
Earth
1
12
Earth
1
12
Earth
1
12
TYPE
XSP XS
Analogue
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
no
All or Nothing
1
12
All or Nothing
1
no
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
1
12
All or Nothing
no
12
Frequency
1
12
All or Nothing
1
12
1
12
All or Nothing
1
12
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