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Home >> Infiniti >> 2003 >> M45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Park/Neutral Position Switch (A/T Models)
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Park/Neutral Position Switch (A/T Models)

Switch is located on transmission/transaxle. Switch notifies ECM when transmission/transaxle is in Park or Neutral. Primary use is to prevent starting the vehicle in Drive. This signal also is used by ECM to calculate required changes in idle speed, ignition timing and injector operation.

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