Defogging logic ? normal operation, disabling, and enabling
Kia technical service bulletin PS493 for 2011-2017 Kia Sorento, 2010-2017 Kia Optima and 2010-2017 Kia Soul and others.
- Bulletin number
- PS493
- Component
- Equipment: appliance: air conditioner
- Summary
- TSB: DEFOGGING LOGIC ? NORMAL OPERATION, DISABLING, AND ENABLING - Starting with 2010MY, all Kia vehicles, except Rio (JB), incorporate a defogging logic to prevent the interior windows from becoming excessively fogged. Depending on the specific model, the HVAC control head monitors ambient temperature and/or cabin humidity to determine which settings will best prevent the windows from fogging. If the system detects lower ambient temperature or higher cabin humidity, the defogging logic may automatically switch ON the A/C, and/or set the air intake mode to Fresh Air. If the user changes these settings, the defogging logic will take control again after 3 to 5 minutes, depending on the procedure in this publication.
Vehicles covered
- Kia Sorento 2011-2017 2011201220132014201520162017
- Kia Optima 2010-2017 20102011201220132014201520162017
- Kia Soul 2010-2017 20102011201220132014201520162017
- Kia Sportage 2010-2017 20102011201220132014201520162017
- Kia Forte 2010-2017 20102011201220132014201520162017
- Kia Sedona 2010-2012, 2014-2017 2010201120122014201520162017
- Kia Rondo 2010 2010
- Kia Optima Hybrid 2011-2016 201120122013201420152016
- Kia Cadenza 2014-2017 2014201520162017
- Kia K900 2015-2017 201520162017
- Kia Niro Hybrid 2017 2017
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