Question about 2001 Honda Civic

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The problem with your Honda...

I'm attempting to post this solution on the board.  I took my Civic to a repair shop known for solving electrical problems.  They checked the electrical system and diagnosed the problem as a faulty "multiplex control unit" (or maybe they called it a "multiplex processor").  This is basically a small greyish box about the size of a really fat paperback book that's located underneath the steering column.  It acts as a computer of sorts...kindof like an electrical switchboard, from what I understand.  
Good news is that replacing the multiplex unit correctly solved the problem.  Bad news is that it cost me around $600.

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Wow thats cheap compared to a renault

Posted on Nov 23, 2008

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Hi, This was the perfect solution to my problem!!! I go to my 01 Honda Civic a few days ago and my power locks weren't working ,my a/c wasn't blowing cold,my dome light wasn't coming on, and my brake indicator light wasn't going off. My husband spent half the night trying to figure out the problem, then we get on the internet and found this site ,so helpful. We called Honda the next day and ordered the multiplex control fuse box that goes under the steering column through my husband's work, it cost $120.00 wholesale and put it in the next day,problem solved!!!! This site is a great help,thanks so much and keep up the good work!!!

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