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Home >> Volvo >> 1998 >> S90 AW30-40 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Interlock Systems >> Description & Operation >> Park/Neutral Position Function
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Park/Neutral Position Function

Gear-shift position sensor has a start inhibit function to prevent starting of the engine while a gear is selected. This function prevents the engine being started unless Park/Neutral position (PNP) is selected. This prevents vehicle from inadvertently lurching forwards when started.