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Discussion Starter · #1 ·
Two weeks ago, half of the accessories in my 02 RSX went out like power lock, keyless entry, no cold air, e-brake light is always on, etc. I did some research and figured it was a faulty multiplex control unit so I got an used one off ebay. Swapped them out yesterday and everything came back to normal except now air coming out of the vents. Before, I get hot air and warm air (when I turn on the ac) but now nothing at all.

It looks like the new (used) multiplex control unit is working.

Any ideas what I need to check? Fuses?

Thanks in advance
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