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Home >> Volkswagen >> 1993 >> Passat GL, 2.0 B, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 4-CYL >> Computerized Engine Controls >> Input Devices >> Idle Switch
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Idle Switch

With the throttle closed, the idle switch supplies the ECU inputs for the following.

The idle switch supplies the ECU with information to cut fuel during deceleration, and to activate the idle air stabilizer to control idle speed.

Fig 1: Identifying CIS-E Motronic Components
G93G81147Courtesy of VOLKSWAGEN UNITED STATES, INC.