Air conditioning that doesn't blow cold enough could indicate the need for adjusting the cable for the temperature blend door.Google+
Car Problem Reports
Scion xB Cable Adjustment Needed if AC Doesn't Blow Cold Enough
Scion xB Problem
Average Mileage: 105,500 mi (68,000 mi - 190,000 mi)
Visitor, 2005 Scion xB, 92,000 mi
does not cool well at idle and low speeds. has to run for about 12 minute before cooling begins
The blend door does not position correctly and A/C air is blowing across heater core causing warm air to blow out vents. Haven't found a solution. Here to figure out how to adjust the cable for the blend door.
Visitor, 2004 Scion xB, 72,000 mi
2004 Scion XB air doesn't blow cool.Have a 2006 XB that blows 40 degrees out of the vents.
ALways been a problem and when I did an internet search, data.com, shows this as a tech bulletin problem but I did not want to pay them for the whole report but am taking the number to the dealership.