Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Geo >> 1989 >> Tracker Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Input Devices >> Park/Neutral Switch (A/T)

Park/Neutral Switch (A/T)

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches

ECM monitors park/neutral switch, and receives a voltage signal when transmission is in any position except Park or Neutral. This input signal is used by ECM to help determine control of fuel injectors and idle speed control solenoid.