Code 46 - Left Front Impact Sensor Not Mounted To Vehicle Properly: Description
WARNING: This page is about a different car, the 1996 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic monitor measures resistance between terminal No. 22 and 3. If resistance varies more than 2 ohms between terminals, Code 46 will set. Impact sensor is grounded to vehicle through sensor case.