Battery terminal isolation

In the event of a crash of sufficient severity, the positive connection between the alternator and the battery is cut. This means that

The vehicle electrical system connection remains. Electrical consumers, e.g. starter motor and fuel pump, are switched off.

Brief description of components

Safety battery terminal

The battery safety terminal is installed in the positive lead (charge wire) from the alternator just in front of the positive terminal of the battery: The cable ends in a tapered plug. A priming cap cuts the cable in the event of a crash.

It also deactivates the starter motor load circuit. The engine can no longer be started.

The interrupted alternator line can be replugged provisionally to restart the engine. In this case, however, the battery terminal isolation function is no longer available as the priming cap has already been ignited. The priming cap and alternator line must then be replaced.

Service functions

Notes on safety

In all cases, only perform work on the fuel pump with the ignition off!

All work on the airbags must be carried out with the battery disconnected!

Connect and disconnect all BYTEFLIGHT control units, sensors and generators only with the battery disconnected!

If a fibre-optic cable on the BYTEFLIGHT bus has to be repaired, it must be borne in mind that there may only be one join in a fibre-optic cable. If there is already a join due to a door connector, the fibre-optic cable must not be repaired. In the case of a defect, the fibre-optic cable must be replaced!