YES!!

As I have stated in one of the Honda NG's: I have owned a US 1997
Civic LX sedan since new - purchased in Feb. 1997. I have jumpered the
service connector a few times and have accurately read the codes using
the method explained in this NG and used my Helm manual to reference
the codes. I have successfully read an O2 sensor that went bad and had
a CEL for "loose gas cap". Cap wasn't loose, the seal just wasn't good
anymore. I think this was the last year the Civic would read this way.

Jeff