The fan only blows cold air on the passanger side of the car. The fan and drivers side works great, as usual.
it is a duel ATC (Auto temp control) system and it has two blend air doors one for pass and one for drivers either the pass side is not getting the signal to move it to the heat position or the door is broken or the motor is bad ....// with the key on and engine off and the fan on low move the pass temp knob and listen you should be able to here the door moving ...if its broken it will click or clunk ..also it could be just out of calibration ...any case you will need a factory scan tool to calibrate them ..which will also give you a degree reading on the range of travel the door makes if it goes more than 180 its broken
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