Audio off

[DJT]

Hi my radio comes up as audio off. Do have a clock spring issue but wouldn't of thought this would take radio out. Have removed navigation unit in boot as screen kept asking me to load a cd navigation disc. Found 3 discs jammed in there. Got them out and cleaned circuit board with an electrical contact cleaner. See attached photos that I've taken of screen once I got into diagnosic menu. Are fuses going to cause this. Boot is bone dry. 

[cruisermark]

Hi

Check fuses in drivers footwell for screen and also amplifier.

When my amplifier packed up, I managed to blow one of the fuses whilst connecting and diconnecting the screen without disconnecting the Battery.

❚❚ Lexus LS430 No Sound from Audio - Amplifier OK - LS 400 / Lexus LS 430 / Lexus LS 460 / Lexus 600h / Lexus 500h Club - Lexus Owners Club

[steve2006]

I’m assuming here that you have tried pressing the volume control on the radio?

[BigBoomer]

Given the number of "Not Connected" errors there I would suspect the rear fuse/relay box, also known as the "Luggage Room Junction Block".
All of those items showing NCON are all in the boot. Those are also prone to water damage as it is in the floor of the boot on the left side under the carpet.

[DJT]

Hi big boomer have checked boot fuses. Everything is bone dry and no sign of water ever being in there. Have taken some fuses out for checking, no signs of any type of corrosion in fuse box. 

[BigBoomer]

In that case it looks like a duff head unit, or else a connector isn't seated correctly.
Time to get the radio out and check over all the connectors there.