whole a/c controller has to be replaced because a/c light doesn't work?

Toyota partsman said whole controller ($863) has to be replaced because ac light doesn't work? I know I have to replace A/C compressor but AC still won't work if controller isn't replaced I'm told?

 

Without being there looking over the tech`s shoulder or holding their hand.

Who can say just what might be wrong

Bad AC amplifier which is more or less a circuit board that controls the AC getting the signals from the pressure switches tells the engine to idle up turn on the compressor .

If your good with the soldering Iron you might be able to rebuild it

Yes without the AC Amplifier the system will not work .

 

here you go, this is the same part as yours but it will have the white faceplate illumination instead of that orange glow to your oem taco one http://www.ebay.com/itm/01-02-Toyot...ash=item2caf6037fd:g:Lk0AAOSwzLlXhUZD&vxp=mtr