Autocheck code dumping confusion

[Marc A Swanson <mswanson@cisunix.unh.edu>]

Ok.  Now I'm really confused.  I see that you dump codes on the mc by
inserting a fuse on the fuel pump relay which is connected to the ECU.
In looking over the Bentley diagrams I can't see how the ECU is connected
to the autocheck system?!  Why does the ECU grab this "momentary" signal?
Also, there is a "autocheck button" mentioned in the bentley.  If you
trigger the codes with the fuse, then what does this "autocheck button"
do?

Thanks


Marc Swanson

http://marcswanson.ne.mediaone.net

87 4kcsq  awaiting turbo
87 5ktq   donor (Parting out)