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