Join Date: Mar 2011
Location: Mid Hudson Valley, NY (USA)
Re: 2005 Sienna AC intermittently not working
Take off the glove box door (see cabin air filter maintenance for instructions), and pull out the cabin air filter. You'll be able to see into the fan. The motor is underneath. Check the electrical connections.
Current: '15 Sienna Limited Premium FWD, '14 Subaru Outback, '13 Honda CRV AWD.
Past: '08 Sienna LE (FWD), '02 Subaru Outback