Training manual

Chapter 5
MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 4
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II - LAYOUT
Key: single arrow = wire connection
triple arrow = multiplexed connection
COMPONENTS
BSI Built-in systems interface
0004 Control panel (LEDs + microprocessor)
1320 Engine management ECU
1620 Speed sensor
4315 Fuel sender
7205 On-board ECU scroll switch
Signal type:
1 - variable frequency signal proportional to the speed of the front wheels
2 - variable frequency signal depending on fuel flow
3 - all or nothing signal
4 - current depending on gross fuel level
5 - VAN frames containing information from the on-board ECU for display
6 - VAN frame containing the fuel level.
BSI
1620
1
2
4315
1320
3
4
7205
5 6
0004