Cutlass Ciera V6-3100 3.1L MFI VIN M (1994)
Transmission Position Switch/Sensor: Description and Operation
Transmission Range Switch
The inputs from the Transaxle Range Switch (PRNDL) / Transmission Mounted Neutral Safety Switch (TMNSS) indicate to the Powertrain Control
Module (PCM) which gear the transaxle selector lever has selected. This information is used for Torque Converter Clutch (TCC), Exhaust Gas
Recirculation (EGR) and Idle Air Control (IAC) valve operation.
CAUTION:
Vehicle should not be driven with transaxle range switch disconnected, as idle quality will be affected.
