Conversions: preconfigurations
"Key off" function:
The key-off function consists in being able to lock the vehicle doors without switching
off the engine, so as to keep in operation the electrical consumers providing vehicle
comfort and safety functions, as well as ensuring the operation of the devices fitted on
the vehicle for professional applications.
Fast idle function:
The fast idle function consists in increasing the engine speed to power the electrical
consumers in operation during an intervention, in order to conserve the battery and
ensure the operation of the devices throughout the intervention.
Handbrake position indicator:
This function is necessary to ensure operating safety on vehicles that need to be
immobilised to employ their equipment.
Door status information:
Feedback on the locked / unlocked status of the doors is required in order to servo-
control certain functions to this status. In particular, this makes it possible to deactivate
these functions upon the vehicle being locked.
Speed information:
This information is required in order to servo-control certain functions
to the vehicle speed.
STT inhibition on isothermal utility applications:
Generalisation of STT powertrains on utility vehicles has become a problem since K0.
The isothermal applications are not STT compatible. It proved impossible to generate
cold in the stop phase, leading to a risk of compressor breakage upon restarting on
certain applications.
See the Technical
recommendations guide
for conversions
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