Question about 2005 Kia Sedona
I had this same problem. These symptoms occur when the switch contact points become burned... but the problem is easily repaired with some very simple tools and will save $200 in repair bills.
1. Remove the plastic molding in which the switch unit is mounted. It is easiest to remove the whole thing - 6 phillips head screws hold it in place. Depending on the seat position, it may be impossible to remove the molding without also removing the seat - 2 nuts, and two bolts - a 9/16" wrench will work fine. Unplug all necessary cables for the removal. They are all different and only fit one way, so they can't be confused.
2. Use a small standard screw driver (jewelers size) to carefully pop the back off the switch unit and carefully lift out the circuit card with the switches mounted on it.
3. Place the circuit card (switch side DOWN) on the edge of a table or work bench and firmly hold it in place while using the jewelers screw driver to very carefully pop the covers off of the switches. There are small parts inside, the slider, two small bearings, and two switch rockers, so just work on one switch at a time.
4. With the switch cover removed, note how the pieces fit together so you can reassemble later.
5. Remove all the loose pieces and burnish (polish) all burned or corroded contact points, both on the loose and fixed parts. The edge of the jewelers screw driver, a stiff eraser, a small piece of very fine sand paper, or a dremmel polishing head will do the job.
6. Reassemble the switch, and repeat with the other four switches. Though the other switches were working, I found them to also be burned / corroded and near failure. Better to fix them all while the unit is disassembled, than repeat again (and again) in a short period of time.
Posted on Oct 11, 2010
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Posted on Jan 02, 2017
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