Revkev

My 2006 GX470's radio will not power on. It is the Mark Levinson. I have spent about 2 hours researching online before posting here. I now know the amp is notorious, but through my research, I could not find anything about amp + powering on radio. I did call the Lexus Stealership and the service guy said it's not the amp as that controls volume and thinks its my head unit. Of course it will cost $180 to diagnose the issue. I just got this rig shipped in a few days ago so I don't know if the amp is blown.

I already checked both radio fuses and they are fine. I might change them out anyway. Any advice would be appreciated. Thanks

chiph9

Can't hurt to swap the fuses. Certainly cheaper than the other fixes.

Do you have the Nav option? What shows up on the Audio screen?

Chip H.

Revkev

I do...I will check that out shortly. Is there something I should do to diagnose? Sorry, it's all new to me.

Revkev

I am happy to report that it is working. After I checked the fuses last night and confirmed they were fine...I walked away. Today when I went to start the car I noticed the radio lights went on and it powered on!!!!. Thank God NO speakers were blown and the amp is working...whew...saves me $700 (based off research. You can only use a ML amp since this damn thing is proprietary to Lexus). I will also say that I am very happy with the stereo. I am 110% some of you have rigged up something that kills mine, but I didnt have to spend an extra dime. So I wonder if it was just a loose fuse?

Now I need to figure out what the small leak is all about.