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Chapter 2
VII - OPERATING MODES
A - NOMINAL MODE OR CUSTOMER MODE
All functions are operational. This is the operating mode designed for normal
vehicle use.
B - STAND-BY MODE
In this mode, there is no communications activity and ECU consumption is
minimal. The BSI scans its wake-up inputs. Each multiplexed device is able to
wake up the network. In each case, it re-supplies all the ECUs by a positive
called the +VAN.
ACTION
WAKE-UP NETWORK
IF condition
Ignition on (+accessories or + ignition on)
Lamps or hazard warning lamps illuminated
HF remote control used
OR condition
OR condition
OR condition
OR condition
OR condition
Driver's door opened
Data B earthed
Request to wake-up network by VAN device (radio)
ACTION
SET NETWORK TO STAND-BY
IF condition
Ignition not on
AND condition
AND condition
No timer
No request to maintain network
C - ECONOMY MODE
The BSI cuts the supply to the ECUs (+VAN signal), there are no more
communications on the network. Electrical consumption is therefore greatly
reduced.
Entry into mode
Exit from mode
Engine switched off for more than 30 minutes and
+VAN present
Starting of the engine
Note:
A network device can be active and/or communicating, even if it does
not appear to be working.
MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1
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