Neutral Safety Switch: Description and Operation
PURPOSESignals PCME as to transmission operating range and prevents starting except in "P" or "N" positions. PCME uses switch input in its control calculations for fuel system, ignition system, idle speed, purge control, and A/C.
LOCATION
Side of transmission at shift lever attachment.
OPERATION
Switch moves in conjunction with shift lever in vehicle. Gear position is read according to varying continuity between switch contacts.