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Home >> Mini >> 2002 >> Cooper S >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Module - Overview >> Body Control Module >> Power Windows >> Principle of Operation >> Inertia Switch

Inertia Switch

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In the event of an impact registering greater than 14G the Inertia Switch goes open. This open removes the voltage from X254 pin 21 at the BC1(J3 54-pin Natural connector) and causes the BC1 to lower the windows on a time basis of 750ms.