154
Chapter 1
CONNECTIONS
Signal
n°
1
Type
Heater matrix coolant temperature
Analogue
Analogue
All or nothing
Analogue
Analogue
Analogue
Passenger compartment temperature
User instructions (temperature, operating mode)
Refrigerant pressure
2
Evaporator temperature
Alternator
output
voltage
(engine
running
information)
External air temperature
Coolant temperature (for non FRIC engine ECU)
Vehicle speed
Compressor authorisation
Coolant temperature (for FRIC engine ECU)
Air conditioning compressor engaging request
Heated rear screen relay control
Heated door mirrors control
Compressor control
Analogue
Analogue
Frequency
All or nothing
Frequency
All or nothing
All or nothing
All or nothing
All or nothing
VAN
3
4
5
6
7
Compressor activation request
Recycling information
VAN
Heated rear screen activation request (for engine
running)
Compressor status
Air conditioning activation
Compressor authorisation
Coolant temperature/pressure safety, evaporator
Heated rear screen operating status
Engine running information
External air temperature
Evaporator temperature
Brightness level
Day / night status
Black Panel status
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
VAN
Economy mode
Set to stand-by within 5 seconds
Position of ignition key
MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 8
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