gingy101

For some reason when I took my 2004 RX 330 through the car wash the other day, the lights, air conditioning and dashboard didn't power down after I turned the engine off. While trying to figure out how to turn them off so my battery didn't die I found that pulling out the ECU-B fuse seemed to do the trick. The issue is I don't know how the permanently fix this and the lexus dealership close by has been nothing but garbage to deal with. Any thoughts on what might have happened or how to fix it? Thanks!

Lexuswiz

iTrader: (1)

Do you know how your car usually powers down the electronics? Is it when the driver door is opened (after removing key) or 30/60/90 seconds after the car has been powered off?

gingy101

It normally takes about 60-90 seconds for the lights and everything to completely shut off.

Lexuswiz

iTrader: (1)

This is interesting, could be something wrong with the BECU (body ECU - explains the ECU-B fuse) or the key sense not working.

Kgragg

I think this may be my issue, except that my car is running off the battery, not the alternator. Can you please help??