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Home >> Lexus >> 1997 >> LX 450 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Park/Neutral Position (PNP) Switch (A/T Models)

Park/Neutral Position (PNP) Switch (A/T Models)

The PNP switch delivers an input signal to Engine Control Module (ECM), indicating gear position. The ECM may use input signal to control engine idle and fuel injection system.