Clutch Pedal Position (CPP) Switch
WARNING: This page is about a different car, the 1994 Mercury Sable, 1994 Mercury Cougar, 1994 Lincoln Continental, 1994 Ford Thunderbird, and 1994 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
The neutral drive input gives an indication of transmission load to the PCM. This signal affects air/fuel ratio and idle speed.