I have a 93 es300, i read that if you hold auto and recirc then turn key to on position, the hvac will display the hvac trouble codes. Well i did it and i got 8 codes!!! The are.. 11,12,13,14,21,22,41,& 43. I read somewhere that, 21 is the slolar sensor, but can anyone tell me what these codes mean?? It would help me out alot thanks!