BMW I01 Product Information page 14

I01￿High-voltage￿Components
2.￿Important￿Notes
2.3.1.￿Removing￿the￿flat￿high-voltage￿connector
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Bridge￿for￿high-voltage￿interlock￿loop
Before￿the￿high-voltage￿connector￿can￿be
disconnected,￿the￿bridge￿for￿the￿high-voltage
interlock￿loop￿must￿first￿be￿removed.￿The￿bridge
closes￿the￿circuit￿of￿the￿high-voltage￿interlock
loop￿in￿a￿connected￿state.￿The￿high-voltage
control￿units￿continuously￿monitor￿the￿circuit￿of
the￿high-voltage￿interlock￿loop￿and￿only￿when
the￿circuit￿is￿closed￿is￿the￿high-voltage￿system
active.
If￿the￿circuit￿of￿the￿high-voltage￿interlock￿loop
is￿interrupted￿by￿removing￿the￿bridge,￿the￿high-
voltage￿system￿shuts￿down￿automatically.￿This
is￿an￿additional￿safety￿precaution￿as￿the￿Service
employee￿has￿already￿switched￿off￿the￿high-
voltage￿system￿before￿beginning￿work.
Removing￿the￿mechanical￿locking
Only￿after￿the￿bridge￿of￿the￿high-voltage
interlock￿loop￿has￿been￿removed,￿can￿the
mechanical￿locking￿be￿moved￿in￿the￿direction￿of
the￿arrow.￿The￿mechanical￿locking￿is￿an￿element
of￿the￿high-voltage￿connector￿on￿the￿high-
voltage￿components￿(e.g.￿electrical￿machine
electronics).
By￿moving￿the￿lock￿in￿the￿direction￿of￿the
arrow￿the￿mechanical￿guide￿of￿the￿high-voltage
connector￿on￿the￿high-voltage￿cable￿is￿released
which￿permits￿the￿subsequent￿disconnection.