Litelex Posted September 27, 2014 Share Posted September 27, 2014 I'm not sure whats going on but the other I wasn't able to put any windows down from drivers control switch. I read that could mean the battery may be going bad. I had it tested and it read good but it was at the 4 year mark so I decided to replace it with a new one. After replacing the battery I still have the window issue even when I reprogram them. I also now have the alarm going off randomly, engine cooling fans coming on randomly along with headlights (only when left in the auto position). Doors will lock and unlock while driving or when sitting in the car without the ignition being on. Key fob will no longer open tailgate automatically. Little lights on power window switches stay on when you exit the car and apply the alarm along with a light under the drivers side where the pedals are located. So basically my suv is a basket case. I can't find anywhere online anything that correlates all these symptoms together. I NEED HELP ASAP!!! I literally have to disconnect the battery in order to shut the alarm and fan off when I'm not driving it. Quote Link to comment Share on other sites More sharing options...
RX400h Posted September 27, 2014 Share Posted September 27, 2014 Make sure that your battery ground cable is tight at each connection. An intermittent ground can cause strange electrical issues. If that doesn't work, you may need to take it to a dealership or auto electric shop. Quote Link to comment Share on other sites More sharing options...
andreaarioli Posted November 11, 2014 Share Posted November 11, 2014 hi, i'm writing from Italy. i have a Lexus Rx300 model year 2005 and i just have the same problem. i replaced the battery a week ago and since then two windows don't work with driver control switch. can you tell how you solve the problem? thanks Quote Link to comment Share on other sites More sharing options...
RX400h Posted November 12, 2014 Share Posted November 12, 2014 Look at the pinned post at the very top of this forum (neat tricks....) Quote Link to comment Share on other sites More sharing options...
andreaarioli Posted November 12, 2014 Share Posted November 12, 2014 thank for your help. Quote Link to comment Share on other sites More sharing options...
Hootenanny Posted February 10, 2015 Share Posted February 10, 2015 Where are the battery ground cables to check for tightness? Quote Link to comment Share on other sites More sharing options...
RX400h Posted February 14, 2015 Share Posted February 14, 2015 ....at the battery post and at a frame connection. You may have to try to follow the cable from the battery to see exactly where it is grounded. Quote Link to comment Share on other sites More sharing options...
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