I am gonna continue diagnosing my non functioning 190D A/C back on the thread I started here..
http://www.peachparts.com/shopforum/showthread.php?p=2763169#post2763169
But here are the reading I got..
All readings taken with my DMM with - probe in #31 on the Monitor engine at idle with A/C on max.
#15 = 10.75V
#TD = -0.85V
#GK+ =-0.85V
#87 = -0.885V
#T =11.15V
#KL =0.5V
#87Z =9.5V