19
System outline
CAN inputs CAN outputs
Convenience CAN Low
Convenience CAN High
* BSI = Bit-synchronous interface
– DF signal (alternator capacity
utilisation)
– Alternator mechanical fault
– Alternator electrical fault
– Alternator high-temperature
regulation
Inputs via BSI
*
– Specified alternator voltage
– Start load response
– Drive load response
Outputs via BSI
*
– Ambient temperature
– Engine speed
– Coolant temperature
– Standing time
– Ignition/starter switch
– Heated windscreen
– Heated rear window
– Specified idling speed feedback
– Load shedding request
– Heating system load shedding
– Alternator activation
– Drive system deactivation stage
– Idling speed increase
– Deactivation stages
– Load shedding
– Alternator load torque
– Alternator power input
– Battery manager/battery voltage
– Heating system deactivation
– Charge
– Starting capability
– Deactivation stage 6
– Terminal DFM – BEM (battery
energy manager)
– Load shedding feedback
– Alternator load response
– Alternator fault
– Infotainment deactivation
– Battery manager service fault
– Heavy-duty heating system status
– Heavy-duty heating system control
status
– Emergency load deactivation active
