The AC Compressor clutch is not activating in a 2011 May 29, 2019The AC Compressor clutch is not activating in a 2011 Toyota Sienna (3). I have just topped up the freon level. Where is the location of the ac compressor clutch relay and fuse? What other 'checks' need to be done? Thanks for your assistance! AC compressor clutch won’t engage – Toyota — Ricks Free Apr 03, 2016AC compressor clutch won’t engage – Toyota Fix B1479 Flow sensor and AC compressor clutch won’t engage. If the AC compressor clutch won’t engage on your late model Toyota and you find a B1479 Flow Control Circuit trouble code stored, the problem is usually a bad flow control sensor. Toyota uses the AC flow control sensor to detect the amount of refrigerant flow through the compressor. Toyota Sienna Third Generation mk3 (XL30; 2011) - fuse box Aug 24, 2016Toyota Sienna Third Generation mk3 (XL30; 2011) – fuse box diagram. Year of production: 2011. Engine compartment Toyota Sienna mk3 – fuse box – engine compartment A/C Amplifier Problem? | Toyota Nation Forum Dec 20, 2019Hello, I have searched this forum and other forums extensively and think I figured out my solution. I have a 96 Camry LE 4cyl with recent A/C problems, start car A/C light stays on and A/C works fine for 10 - 15 seconds then the light starts blinking. Turn off and turn back on, still same.. Related searches for 2011 sienna ac wiring diagram ac wiring diagramauto ac wiring diagramac switch wiring diagramac unit wiring diagramac house wiring diagramac electrical wiring diagramsac compressor wiring diagrambasic ac wiring diagram