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Home >> Audi >> 1987 >> 5000 CS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH Cis-E System >> Operation >> Ignition & Idle Control >> Knock Sensor Control Unit
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Knock Sensor Control Unit

The knock sensor control unit receives signals from the knock sensor and also a vacuum signal from the inlet manifold. It transmits signals to the TCI control unit to adjust ignition timing.