Another question. Rear a/c controls wont operate. Switch on dash will light up but console control does nothing. Where should I start?

 

I just fixed this on my new (to me) 2004 MDX. The problem is likely due to a bad blower motor transistor in the console. I found a new aftermarket transistor on Ebay for $15, Just take off the carpeted panel below the console on the driver's side, clean the metal screen on the console blower motor (it will be covered in lint), unplug the blower motor transistor connector (easier said than done), twist the transistor to remove and reverse steps to install the new part. It worked perfectly.