LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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M3 2D Convertible
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Body Electrical Control Systems - Overview
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Light Switch Center (LSZ)
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LSZ Functions
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Turn Signal/Highbeam Switch
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Turn Signal/Highbeam Switch
The turn signal and headlight (high/low) beam are resistance coded inputs over two wires to the LSZ control module. The LSZ carries out the switching function based on the voltage drop input.