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Home >> Hyundai >> 2003 >> Tiburon Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Transaxle Range Switch (A/T)
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Transaxle Range Switch (A/T)

The Transaxle Range (TR) switch informs the ECM when the transaxle is in Neutral or Park. ECM determines automatic transmission load, and signals the Idle Air Control (IAC) valve to maintain optimum idle speed.