Lexus Rx300 Battery Drain Problem

Weve replaced the battery 3 times. Electrical problem 2000 lexus rx 300 94000 miles battery has slow drain that will drop it to a no start condition in 4 days if it just sits that long.









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Lexus Rx300 Won T Shift Into Overdrive Danny Maddox




Problem did not go away.



Lexus rx300 battery drain problem. After 3 weeks the battery went dead couldnt start the car. Weve had a continuing problem with the battery going dead if the car has not been driven for a period of time like 4 days. We bought our rx330 beginning of july.



My mechanic used a little light to test if there was a drain so we shut the car off hooked up the light between the neg terminal and the neg battery post. Car was still in the parking lot so we had it jumped started and brought it to dealer for testing. I have a 99 rx300.



My mom purchased a new 2011 lexus rx350 last spring. The battery keeps going dead if the car sits for several days without use. Our lexus rx300 battery goes dead if we dont drive every day.



After testing for a parasitic draw and none found we performed the normal electrical system tests and returned the vehicle. The new batteries work fine for awhile then were back to the same problem. Did battery drain test.



The dealer installed a remote starter at the time of purchase we live in alaska. We took to dealer they said we had a bad relay and replaced for 200 dollars. Is anyone aware of what our problem could be or aware of a common issue that puts a drain on the battery when not in use as it does not matter how much we use the car it rarely starts after being idle for two days sometimes less.



I am very grateful of your help. I have a 1999 lexus rx 300battery goes dead overnight intermittently. This 2001 lexus rx300 would drain the battery periodically when the vehicle sits.



Im just writing to report a possible bug in the latest myevic firmware. I have been using myevic on my rx series mods for a while now and have never noticed any problems and infact have always enjoyed this firmware so much better than stock. Battery has been dying randomly the past couple months alternator was tested and looked okay.



Found underhood fuses dome 10 amp and ecu b 75 amp fuses to cause light to stay on. Tfv8 w 10 coil at 013ohm.










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Parasitic Battery Drain 7 5a Rr Ecu B Clublexus Lexus Forum










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Amazon Com 2001 Lexus Rx300 Reviews Images And Specs Vehicles










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My Car Won T Start Is It A Dead Battery Or Alternator





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