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Home >> Lexus >> 1994 >> ES 300 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Throttle Position (TP) Sensor
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Throttle Position (TP) Sensor

ECM monitors the angle of the throttle plate by applying a reference voltage to the TP sensor, which contains a potentiometer and an idle switch.