There is a self check mode for the climate control. It tests all the doors and modes of operation.
Check
http://www.subaru-svx.net/forum/show...limate+control
To check the codes:
1) Run the car until the engine is warmed up to at least 40°C/104°F then turn off the engine.
2) While holding both "AUTO" and "OFF" on the climate control system turn the key on.
3) Any codes detected will be shown on the temperature display.
The above is from
http://svx-iw.com/
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