Is yours the large display? I think they started in 96. All of them have actual values. I would get the list and verify your readings. A sensor out of range will trigger that type of activity. I would look closely at the #5 evap temp and probably the refrig pressure which I don't remember the position of.
If you need instructions you might read this:
http://www.continentalimports.com/ser_ic40142.html
The tables in the article apply to a 210 car but are similar for yours. The archives have a lot of discussion of AC codes and tables should be there.